Federal Board (FBISE) Past Papers Objectives Quiz

12th Chemistry

Reference Books : National Book Foundation, KPK & Balochistan Text Book

Class 12 Chemistry notes according to latest FBISE syllabus following 2006 Curriculum. Contains detailed video lectures, solved exercises, review questions, MCQs, pdf notes and past board papers solution.

FBISE Past Papers Objectives
Explanation Videos

FBISE Past Paper # 2026-1st Annual Objectives (New syllabus)

FBISE-12th Chemistry-2026-1st Annual Objectives-New Syllabus

Total 17 MCQs

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1 / 17

1) If the temperature during diazotization rises above 10 oC, the diazonium salt:

A) Forms benzene directly

B) Becomes more stable

C) Decomposes rapidly

D) Converts into alkane

2 / 17

2) In oxidation reactions, side chain of alkyl benzene is converted into:

A) -OH group

B) -NH2 group

C) -Cl group

D) -COOH group

3 / 17

3) Which titration curve shows equivalence point above pH 7?

A) Weak acid versus strong base

B) Strong acid versus weak base

C) Weak acid versus weak base

D) Strong acid versus strong base

4 / 17

4) Which compound is least soluble in water?

A) CaSO4

B) SiSO4

C) MgSO4

D) BaSO4

5 / 17

5) A compound that strongly interacts with the stationary phase will:

A) Move faster

B) Move slower

C) Have Rf=1

D) be colourless

6 / 17

6) Which compound will show maximum absorption in UV visible region?

A) Propene

B) 1,3,5-Hexatriene

C) Ethene

D) 1,3-Butadiene

7 / 17

7) Which of the following is a type of stereoisomerism?

A) Functional group isomerism

B) Geometrical isomerism

C) Chain isomerism

D) Position isomerism

8 / 17

8) Which compound is more stable due to resonance?

A) Hexane

B) 1,3-Cyclohexadiene

C) Cyclohexane

D) Benzene

9 / 17

9) Enzymes activity is affected by:

A) Temperature

B) Colour only

C) Density

D) Pressure

10 / 17

10) In a redox reaction substance that increase its oxidation number act as:

A) Oxidizing agent

B) Catalyst

C) Reducing agent

D) Neutral species

11 / 17

11) if a solute is more soluble in polar solvent than non polar solvent, the partition coefficient will be

A) greater than one

B) less than one

C) equal to one

D) becomes zero

12 / 17

12) Nitriles are prepared from halogenoalkanes, by reaction with KCN. This is an example of:

A) Elimination reaction

B) Polymerization

C) Nucleophilic substitution

D) Addition reaction

13 / 17

13) The molecular ion peak gives information about:

A) Molecular mass of compound

B) Number of atoms

C) Colour of compound

D) Functional group only

14 / 17

14) When chloroethane reacts with aqueous OH- at low temperature, main product is:

A) Ethene

B) Ethanol

C) Phenol

D) Benzene

15 / 17

15) If a polymer segment shows CH2-CH2-CH2-CH2. The monomer is:

A) Butene

B) Ethene

C) Propene

D) Methane

16 / 17

16) Ligands form bond with transition metals by:

A) Losing protons

B) Forming ionic bonds only

C) Donating lone pair of electrons

D) Accepting electrons

17 / 17

17) Propanone (CH3-CO-CH3) gives how many 13C-NMR signals?

A) 2

B) 4

C) 3

D) 1

Your score is

FBISE Past Paper # 2025-2nd Annual Objectives

FBISE-12th-2025-2nd Annual Objectives

Total 17 MCQs

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1 / 17

1) Which compound shows hydrogen bonding?

A) C2H5OH

B) C2H6

C) C2H5Cl

D) CH3-O-CH3

2 / 17

2) Which reaction mechanism is involved in chlorination of methane in the presence of sunlight?

A) Electrophilic substitution

B) Free radical substitution

C) SN2

D) SN1

3 / 17

3) The building blocks of proteins are:

A) amino acids

B) Nucleotides

C) Fatty acids

D) Monosaccharides

4 / 17

4) The delocalized pi-electrons in benzene are responsible for:

A) Instability

B) Oxidation

C) Aromatic stability

D) Addition reactions

5 / 17

5) Which gas is mainly responsible for acid rain?

A) SO2

B) O2

C) N2

D) CH4

6 / 17

6) Titration is an example of:

A) Qualitative analysis

B) Quantitative analysis

C) Speculative analysis

D) Structural analysis

7 / 17

7) Which group I elements shows crimson red colour on flame test?

A) Rb

B) Na

C) Li

D) K

8 / 17

8) Phenol can be prepared from benzene sulphonic acid by:

A) Dehydrogenation

B) Fusion with NaOH

C) Nitration

D) Hydrolysis of alkyl halides

9 / 17

9) Which polymer is formed by condensation reaction?

A) Polystyrene

B) PVC

C) Nylon

D) Polyethylene

10 / 17

10) Which transition metal is used as a catalyst in Haber’s process?

A) Cu

B) Fe

C) Pt

D) Ni

11 / 17

11) Which technique is based on absorption of electromagnetic radiation?

A) Titration

B) Gravimetric analysis

C) Spectroscopy

D) Chromatography

12 / 17

12) The allotrope of carbon known as “Bucky Ball” has now many carbon atoms in its simplest molecule?

A) 50

B) 60

C) 70

D) 40

13 / 17

13) Which carboxylic acid derivative is least reactive?

A) Amide

B) Acyl Chloride

C) Ester

D) Acid anhydride

14 / 17

14) In SN1 reaction, the rate depends on:

A) Concentration of substrate

B) Pressure

C) concentration of catalyst

D) concentration of nucleophile

15 / 17

15) Which element in period 3 has the highest electronegativity?

A) Ar

B) Mg

C) Cl

D) Na

16 / 17

16) Which aldehyde will show aldol condensation?

A) Propanal

B) Ethanal

C) Benzaldehyde

D) Formaldehyde

17 / 17

17) Beryllium hydroxide is classified as:

A) Basic

B) Neutral

C) Acidic

D) amphoteric

Your score is

FBISE Past Paper # 2025-Local Area Objectives

FBISE-12th-2025-Local Area Objectives

Total 17 MCQs

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1 / 17

1) Empirical formula of an organic compound is C3H8O5 and molecular mass is 372 g/mol. Molecular formula of this compound is:

A) C15H40O25

B) C6H16O10

C) C12H32O20

D) C9H24O15

2 / 17

2) What are the expected products when Butanone is oxidized?

A) 2 molecules of acetic acid

B) 2 molecules of Formic acid

C) 2 molecules of Butanoic acid

D) Formic acid , acetic acid

3 / 17

3) Which alcohol is NOT the direct product of reaction when Grignard reagent react with aldehydes or ketones?

A) Propanol

B) Ethanol

C) 2-Methyl-2-Propanol

D) Methanol

4 / 17

4) The expected shape of [Fe(H2O)6]+2 based on its coordination number is:

A) Tetrahedral

B) Linear

C) Octahedral

D) Square planar

5 / 17

5) Which of the following has lowest density?

A) K

B) Rb

C) Li

D) Na

6 / 17

6) Among sulphates of Group-II elements ……………… has the lowest solubility in water?

A) MgSO4

B) SrSO4

C) CaSO4

D) BeSO4

7 / 17

7) Heterolytic cleavage of covalent bond converts bonded atoms into:

A) Free radicals

B) Only cations

C) Only anions

D) Both cations and anions

8 / 17

8) Which of the following is a bad leaving group?

A) I-

B) CL-

C) F-

D) Br-

9 / 17

9) Ozone is being mainly destroyed by:

A) PAN

B) SO2

C) CO2

D) CFC's

10 / 17

10) Which will be the least reactive towards nucleophilic addition reactions?

A) Formaldehyde

B) Propanal

C) Acetone

D) Acetaldehyde

11 / 17

11) Which alcohol will yield oily layer on heating, according to Lucas test?

A) 2-Methyl-2-Propanol

B) 2-Butanol

C) 3-Hexanol

D) Ethanol

12 / 17

12) Which statement is correct?

A) Cl- is smaller than Cl atom

B) Na is smaller than P Atom

C) Na+ is bigger than Na atom

D) Cl is smaller than Cl-

13 / 17

13) The number of signals in H1-NMR spectrum of Acetone will be:

A) 3

B) 1

C) 2

D) 4

14 / 17

14) Succinic acid resembles with substrate and inhibits the enzyme activity by attaching on its active site, it is an example of:

A) Non-Competitive inhibition

B) Partial inhibition

C) Competitive inhibition

D) Allosteric inhibition

15 / 17

15) A fire fighter’s helmet made of plastic becomes hard after a fire Helmet is made of:

A) Fire plastic

B) Fiber plastic

C) Elasto plastic

D) Thermosetting plastic

16 / 17

16) Chemical breakdown of organic compounds by microorganisms, e.g. bacteria is called:

A) Respiration

B) Transpiration

C) Fermentation

D) Metabolism

17 / 17

17) Which of the following alkyl halides will yield alkenes more easily?

A) 2-Chloro propane

B) Bromo ethane

C) Chloro methane

D) 2-Methyl-2-Bromo Propane

Your score is

FBISE Past Paper # 2025-Hard Area Objectives

FBISE-12th-2025-Hard Area Objectives

Total 17 MCQs

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1 / 17

1) Succinic acid resembles with substrate and inhibits the enzyme activity by attaching on its active site. It is an example of:

A) Partial inhibition

B) Allosteric inhibition

C) Competitive inhibition

D) Non-Competitive inhibition

2 / 17

2) Homolytic cleavage of covalent bond converts the bonded atoms into:

A) Both cations and anions

B) Only anions

C) Free radicals

D) Only cations

3 / 17

3) Which of the following statement is CORRECT regarding the density of Group-1 elements?

A) Density of Na is Lower than Li

B) Density of K is Lower than Na

C) Density of Li is higher than K

D) Density of K is higher than Li

4 / 17

4) Which alcohol will yield alkene more easily among the given options?

A) 2-Methyl-2-Propanol

B) 1-Propanol

C) 2-Butanol

D) 2-Propanol

5 / 17

5) Which sulphates of Group-II elements has the HIGHEST solubility in water?

A) SrSO4

B) BeSO4

C) MgSO4

D) CaSO4

6 / 17

6) Which alcohol is NOT the direct product of reaction when Grignard reagent reacts with aldehyde or ketones?

A) 2-Methyl-2-propanol

B) Methanol

C) Ethanol

D) Propanol

7 / 17

7) Coordination number in [Cu (NH2-NH2)2] SO4 is:

A) 3

B) 4

C) 1

D) 2

8 / 17

8) Which of the following Nuclei will be magnetically active in NMR spectroscopy?

A) O (Atomic number = 8, atomic mass = 16)

B) F (Atomic number = 9, atomic mass = 19)

C) C (Atomic number = 6, atomic mass = 12)

D) N (Atomic number = 7, atomic mass = 14)

9 / 17

9) Ozone is being mainly destroyed by:

A) CO2

B) SO3

C) PAN

D) CFC's

10 / 17

10) Carboxylic acids are reduced to which product on reaction with LiAlH4?

A) secondary alcohol

B) Esters

C) Primary alcohol

D) Tertiart alcohol

11 / 17

11) The presence of specific functional groups in a molecule is commonly identified by:

A) UV-VIS spectroscopy

B) NMR spectroscopy

C) IR spectroscopy

D) Mass spectroscopy

12 / 17

12) Which of the following will be more reactive towards nucleophilic addition reactions?

A) 2-Methylpentanal

B) Ethanal

C) Methanal

D) Acetone

13 / 17

13) Which of the hair dye penetrates the hair shaft and provides long lasting colours but can damage the hair as well?

A) Permanent hair dye

B) Temporary hair dye

C) Demi permanent hair dye

D) Semi-permanent hair dye

14 / 17

14) Which of the following alkyl halides is most likely to undergo an SN1 reaction?

A) 2-Chloropropane

B) 2-Methyl-2-chloropropane

C) 1-Chloropropane

D) 3-Chloropentane

15 / 17

15) Identify the organic compound:

A) CO

B) NH2CONH2

C) CO2

D) NH4CNO

16 / 17

16) Which alcohol will yield immediately oily layer according to Lucas test?

A) 2-Butanol

B) 2-Methyl-2-propanol

C) 3-Pentanol

D) Ethanol

17 / 17

17) Which of the 3rd period elements has the highest melting point?

A) Al

B) Si

C) Na

D) Mg

Your score is

FBISE Past Paper # 2016-1

992

FBISE- 2016-1-Objectives

Total 17 MCQs

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1 / 17

1) Which of the following technique DOES NOT involve electromagnetic radiations?

A) Mass spectrometry

B) Infrared spectroscopy

C) Nuclear magnetic resonance spectroscopy

D) Ultraviolet

2 / 17

2) Which of the following is NOT an alternative to ozone depleting Chlorofluorocarbon (CFCs) ?

A) Perflourocarbons (PFCs)

B) CO2

C) Hydrofluorocarbons

D) Hydrocarbons

3 / 17

3) Group VIII elements are generally called:

A) Noble gases

B) Coinage elements

C) Alkali metals

D) Halogens

4 / 17

4) Reduction of alkyl nitriles gives:

A) Alcohols

B) Primary amines

C) Alkanes

D) Sec: amines

5 / 17

5) Pale green is a characteristic flame colour of:

A) Calcium

B) Stronsium

C) Sodium

D) Barium

6 / 17

6) The nitration of phenol at 25 degree centigrade produces:

A) Toulene

B) Phenol nitrate

C) Benzene

D) O-Nitrophenol

7 / 17

7) In the organic compounds, the carbon atom generally forms:

A) Metallic bond

B) Ionic bond

C) Hydrogen bond

D) Covalent bond

8 / 17

8) Double bond is formed as a result of:

A) Polymerization reaction

B) Substitution reaction

C) Addition reaction

D) Elimination reaction

9 / 17

9) 3Ca + N2 → ?

A) CaN2

B) Ca3N2

C) Ca2N3

D) Ca3N

10 / 17

10) The long chains of monosaccharides are called:

A) OIls

B) Carbohydrates

C) Vitamins

D) Proteins

11 / 17

11) Which one of the following oxides is basic in nature?

A) Na2O

B) P4O10

C) SO3

D) Al2O3

12 / 17

12) The IUPAC name of the given compound is:

A) Penta-4-ene-2-yne

B) Penta-3-ene-1-yne

C) Penta-3-ene-5-yne

D) Penta-2-ene-4-yne

13 / 17

13) The oxidation states -1, +1, +3, +5 and +7 are shown by all the halogens except:

A) Chlorine

B) Bromine

C) Fluorine

D) Iodine

14 / 17

14) The compounds, n-butane and isobutane are best considered as:

A) Chain isomers

B) Positional isomers

C) Metamers

D) Functional group isomers

15 / 17

15) The functional group having following structure represents the family called:

A) Esters

B) Ethers

C) Ketones

D) Carboxylic acids

16 / 17

16) Due to inert pair effect, the elements of group IV having electronic configuration ns2, np2 will form:

A) M+ cation

B) M+4 cation

C) M+2 cation

D) M+3 cation

17 / 17

17) Acetone can be obtained by the oxidation of:

A) 2-Propanol

B) Ethanol

C) Propanal

D) 1-Propanol

Your score is

FBISE Past Paper # 2016-2

588

FBISE- 2016-2-Objectives

Total 17 MCQs

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1 / 17

1) When CO2 is made to react with ethyl magnesium iodide followed by the acid hydrolysis, the product formed is:

A) Propanal

B) Propane

C) Propanoic acid

D) Propanol

2 / 17

2) Which one of the following is not micro-nutrient for plants?

A) S

B) Fe

C) Cl

D) Zn

3 / 17

3) Which one of these polymers is an addition polymer?

A) Polystyrene

B) Polyester

C) Nylon-6,6

D) Epoxyresin

4 / 17

4) Which substance acts as catalyst in the depletion of Ozone layer?

A) Chlorofluoro carbons

B) Peroxy acetyl nitrate

C) Atomic chlorine

D) Atomic oxygen

5 / 17

5) Keeping in view the size of atoms, which order is correct?

A) Mg ? Sr

B) Lu ? Ce

C) Cl ? I

D) Ba ? Mg

6 / 17

6) β,β‘-Dichloroethyl sulphide is commonly known as:

A) Marsh gas

B) Phosgene gas

C) Laughing gas

D) Mustard gas

7 / 17

7) 1-Butene and 2-Butene are ……………………………isomers of each other.

A) Positional isomers

B) Chain isomers

C) Functional group isomers

D) Tautomeric

8 / 17

8) Which acid can dissolve vitreous silica?

A) HClO4

B) HNO3

C) HF

D) HOF

9 / 17

9) Which of the following compounds can produce white precipitates with ammonical silver nitrate?

A) 2-Butyne

B) Ethene

C) Ethane

D) Ethyne

10 / 17

10) Which compound of Xenon requires more severe conditions, if prepared by direct combination of Xenon and molecular fluorine?

A) XeOF2

B) XeF6

C) XeF4

D) XeF2

11 / 17

11) Rock salt (Halite) is a mineral containing ………………………. metal.

A) Na

B) Mg

C) K

D) Ca

12 / 17

12) Which one is ortho and para directing group in electrophilic substitution reactions of benzene?

A) -N(CH3)2

B) -N+R3

C) -COR

D) -NO2

13 / 17

13) The brown gas formed, when metal reduces conc. Nitric acid is:

A) N2O3

B) NO

C) NO2

D) N2O5

14 / 17

14) Coating of which element upon iron can lead to sacrificial corrosion, if damaged:

A) Zn

B) Cu

C) Pb

D) Sn

15 / 17

15) Which of the following alcohols will immediately form oily layer with conc,HCl in anhydrous ZnCl2?

A) Ethanol

B) 2-Methyl-2-propanol

C) 2-Propanol

D) 1-Propanol

16 / 17

16) An aqueous solution of an organic compound reacts with Na2CO3 to produce carbon dioxide. Which one of the following could be the organic compound?

A) CH3COOH

B) CH3COOC2H5

C) CH2=CH-CH3

D) CH3CHO

17 / 17

17) Acetone can be prepared by dry distillation of:

A) Calcium acetate

B) Calcium oxalate

C) Calcium formate

D) Calcium acetate and calcium formate

Your score is

FBISE Past Paper # 2016-3

418

FBISE- 2016-3-Objectives

Total 17 MCQs

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1 / 17

1) The electrophile in aromatic sulphonation is :

A) HSO4 –

B) H2SO4

C) SO4 -2

D) SO3

2 / 17

2) The formation of soap by the reaction of Fat and Sodium hydroxide is called:

A) Neutralization

B) Hydrogenation

C) Esterification

D) Saponification

3 / 17

3) Mass spectroscopy is used to determine:

A) Molecular structure

B) Molecular weight

C) Molecular formula

D) Alignment of nuclei in magnetic field

4 / 17

4) Benzene can undergo all the following reactions except:

A) Substitution

B) Elimination

C) Oxidation

D) Addition

5 / 17

5) Chlorine (VII) oxide (Cl2O7) reacts with water to give a strong acid:

A) HClO3

B) HClO

C) HClO4

D) HClO2

6 / 17

6) Cyclopropane is an example of:

A) Alicyclic compounds

B) Heterocyclic compounds

C) Aromatic compounds

D) Aliphatic compounds

7 / 17

7) CaO + SO3 → CaSO4

The above reaction is a type of :

A) Precipitation reaction

B) Redox reaction

C) Suplhonation reaction

D) Acid base reaction

8 / 17

8) The oxidation number of central metal ion in the complex Na[Mn(CO)5] is:

A) +1

B) -1

C) +5

D) +2

9 / 17

9) The refining of petroleum is carried out by the process called:

A) Vacuum distillation

B) Steam distillation

C) Destructive distillation

D) Fractional distillation

10 / 17

10) Isobutyric acid is also called:

A) 2-Methyl propanoic acid

B) 2,2-Dimethyl propan-dioic acid

C) Butanoic acid

D) Propan-dioic acid

11 / 17

11) Bronze is an alloy of :

A) Cu and Ca

B) Ni, Cr and Fe

C) Cu and Zn

D) Cu and Sn

12 / 17

12) Which one of the following oxides is acidic?

A) CO2

B) BeO

C) Al2O3

D) MgO

13 / 17

13) Isomers of a substance must have:

A) Same molecular weight

B) Same structural formula

C) Same chemical properties

D) Same functional formula

14 / 17

14) Ecosystem is the smallest unit of:

A) Lithosphere

B) Biosphere

C) Hydrosphere

D) Atmosphere

15 / 17

15) Chose the mismatched pair from the following:

Polymer ————- Monomer

A) Polyethene—-Ethene

B) Starch—-Glucose

C) PVC——Phenyl chl;oride

D) Protein——– Amio Acid

16 / 17

16) Water adds to acetylene in the presence of mercuric sulphate dissolved in conc.H2SO4 to give a stable product called:

A) Ethyl alcohol

B) Ethylene glycol

C) Acetic acid

D) Acetaldehyde

17 / 17

17) Formaldehyde on reaction with methyl magnesium bromide produces:

A) 2-Propanol

B) Ethanol

C) Methanol

D) 1-Propanol

Your score is

FBISE Past Paper # 2016-S1

301

FBISE- 2016-Supply-1-Objectives

Total 17 MCQs

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1 / 17

1) The carbonates of alkali metals are not affected by heat except:

A) K2CO3

B) Na2CO3

C) Rb2CO3

D) LiCO3

2 / 17

2) Which of the following can be prepared in the laboratory by dry distillation of (HCOO)2Ca?

A) CH3OH

B) CH2=CH2

C) HCHO

D) CH3CHO

3 / 17

3) In oxidation of chromium III to chromium VI, the green colour will change into:

A) Colourless

B) Bright yellow

C) Blue

D) Pink

4 / 17

4) Geometrical isomerism is shown by:

A) Maleic acid

B) 1-Butene

C) 1,1-Dichloroethylene

D) Lactic acid

5 / 17

5) Nail polish remover base commonly contains a mixture of two organic solvents:

A) Benzene and CS2

B) Ethyl acetate and acetone

C) Benzene and acetone

D) Ethyl acetate and CS2

6 / 17

6) CH3-CH2-CH2-Br on treatment with alcoholic KOH gives:

A) Propanol

B) Propyne

C) Propane

D) Propene

7 / 17

7) Which of the following oxides is amphoteric in nature?

A) SnO2

B) CO2

C) MgO

D) BeO

8 / 17

8) Which of the following gases is not pollutant?

A) NO2

B) CO

C) SO2

D) CO2

9 / 17

9) Sodalime is:

A) KOH

B) Na and Ca(OH)2

C) NaOH

D) NaOH and CaO

10 / 17

10) Which of the following can not be prepared directly from acetic acid?

A) Acetamide

B) Ethyl acetate

C) Acetic acid

D) Acetyl chloride

11 / 17

11) Cannizaro’s reaction is not given by:

A) Benzaldehyde

B) Trimethyl acetaldehyde

C) Formaldehyde

D) Acetaldehyde

12 / 17

12) Which one of the following shows high boiling point?

A) HI

B) HCl

C) HBr

D) HF

13 / 17

13) The electrophile in aromatic sulphonation is:

A) SO4 -2

B) SO3

C) HSO4 –

D) H2SO4

14 / 17

14) When AgNO3 is added to Lessaigne’s solution, which colour is formed for iodine?

A) Blue

B) Violet

C) Deep yellow

D) Green

15 / 17

15) The component of blood that carries oxygen in the body is:

A) Myoglobin

B) Amino acids

C) Fats

D) Hemoglobin

16 / 17

16) SN2 reaction can be best carried out with:

A) Secondary alkyl halide

B) Tertiary alkyl halide

C) Normal alkyl halide

D) Primary alkyl halide

17 / 17

17) Phenol is more acidic than alcohol. Which statement is correct?

A) Alcohol liberates CO2 with carbonate solution

B) Phenol ion is stabilized due to resonance

C) Phenol turns blue litmus paper red

D) Phenoxide ion is stabilized due to resonance

Your score is

FBISE Past Paper # 2016-S2

264

FBISE- 2016-Supply-2-Objectives

Total 17 MCQs

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1 / 17

1) Which is the strongest oxy-acid of chlorine?

A) HClO4

B) HClO3

C) HClO2

D) HClO

2 / 17

2) According to Lewis concept, ethers behave as:

A) Base

B) Oxidizing agent

C) Amphoteric compound

D) Acid

3 / 17

3) The catalyst used in contact chamber process is:

A) Vanadium pentaoxide

B) Sulphur trioxide

C) Ferric oxide

D) Silver oxide

4 / 17

4) Co-ordination number of platinum in [Pt Cl (NO2) (NH3)4 ]+2 is:

A) 2

B) 4

C) 1

D) 6

5 / 17

5) Electron affinity is a measure of:

A) Energy released during de-excitation of electron

B) Energy released during addition of electron

C) Energy required to remove electron

D) Energy required to excite electron

6 / 17

6) The element belongs to group-IVA is:

A) Lead

B) Barium

C) Nitrogen

D) Oxygen

7 / 17

7) Which of the following derivatives cannot be prepared directly from Acetic acid?

A) Acetamide

B) Acetyl chloride

C) Ethyl acetate

D) Acetic anhydride

8 / 17

8) Vinyl acetylene combines with concentrated HCl to form:

A) Chloroprene

B) Divinyl acetylene

C) Benzene

D) Polyacetylene

9 / 17

9) Tollen’s test is given by:

A) Acetic acid

B) Acetaldehyde

C) Acetone

D) Methyl acetate

10 / 17

10) Which one of the following is not a nucleophile?

A) BF3

B) H2O

C) NH3

D) H2S

11 / 17

11) The element NOT present in all proteins is:

A) Nitrogen

B) Crabon

C) Hydrpgen

D) Sulphur

12 / 17

12) Which one of the sulphate is water soluble?

A) Strontium sulphate

B) Barium sulphate

C) Magnesium sulphate

D) Lead sulphate

13 / 17

13) Central carbon atom in tertiary butyl alcohol is:

A) dsp2-hybridized

B) sp2-hybridized

C) sp-hybridized

D) sp3-hybridized

14 / 17

14) The reaction between fat and caustic soda is called:

A) Esterification

B) Hydrogenolysis

C) Saponification

D) Fermentation

15 / 17

15) Aldehydes are prepared by:

A) Reduction of alcohol

B) Reduction of ketone

C) Reduction of ester

D) Oxidation of alcohol

16 / 17

16) During nitration of benzene, active nitrating agent is:

A) HNO3

B) NO2+

C) NO3-

D) NO2-

17 / 17

17) The reagent used to reduce carboxylic acid to an alcohol is:

A) H2/Pt

B) K2Cr2O7/H2SO4

C) H2/Ni

D) LiAlH4

Your score is

FBISE Past Paper # 2017-1

285

FBISE- 2017-1-Objectives

Total 17 MCQs

Evaluate your concepts

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1 / 17

1) Most abundant macro molecules on earth are:

A) Lipids

B) Olive oils

C) Carbohydrates

D) Vitamins

2 / 17

2) Which of the following can undergo Aldol condensation reaction?

A) Trimethylacetaldehyde

B) Formaldehyde

C) Benzaldehyde

D) Acetaldehyde

3 / 17

3) Which of the following alcohols will be the most easily dehydrated to give an alkene?

A) 3-Propanol

B) 1-Propanol

C) 2-Propanol

D) 2-Methyl-2-Propanol

4 / 17

4) Which region of electromagnetic spectrum is involved in NMR Spectroscopy?

A) Radio waves

B) Microwaves

C) Visisble

D) Ultraviolet

5 / 17

5) Which of the following alkyl halides cannot be formed by direct reaction of alkanes with halogens?

A) RBr

B) RI

C) RF

D) RCl

6 / 17

6) Which of the following is a trace mineral in human diet?

A) Zinc

B) Calcium

C) Sodium

D) Potassium

7 / 17

7) Ozone layer is present at a height of about:

A) 80km above the earth

B) 5km abouve the earth

C) 28km above the earth

D) 100km above the earth

8 / 17

8) IUPAC name of Valeric acid is:

A) Propanoic acid

B) Pentanoic acid

C) Butanoic acid

D) Ethanoic acid

9 / 17

9) Hydrolysis of nitriles produces:

A) TNT

B) Craboxylic acids

C) Nitroalkanes

D) Nitrates

10 / 17

10) When phenol reacts with CH3COCl, the product formed is:

A) Ethanal

B) Ethanol

C) Ether

D) Ester

11 / 17

11) Full name of Bucky Balls is:

A) Buckministerenes

B) Buckminister Abbey

C) Buckminister Fullerenes

D) Buckminister Carbenes

12 / 17

12) Which of the following compounds gives an acidic solution with water?

A) BaCl2

B) KCl

C) NaCl

D) SiCl4

13 / 17

13) Which of the following oxide is used as catalyst in Contact process?

A) V2O5

B) Mn2O3

C) P2O5

D) Fe2O3

14 / 17

14) Benzoic acid is obtained by the oxidation of:

A) p-Xylene

B) Toulene

C) m-Xylene

D) Benzene

15 / 17

15) Which of the following is not present in acid rain?

A) HNO3

B) H2SO4

C) CH3COOH

D) H2CO3

16 / 17

16) Petrochemicals are classified into how many classes?

A) Two

B) One

C) Three

D) Four

17 / 17

17) Which complex reflects back whole of white light, its colour will be:

A) Red

B) White

C) Green

D) Black

Your score is

FBISE Past Paper # 2017-2

278

FBISE- 2017-2-Objectives

Total 17 MCQs

Evaluate your concepts

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1 / 17

1) Which one of the following compounds does not contain carboxylic group?

A) Picric acid

B) Acetic acid

C) Benzoic acid

D) Formic acid

2 / 17

2) In leather industry, which one of the following is used?

A) Chromium(III)

B) Aluminium

C) Chromium(IV)

D) Nickel

3 / 17

3) Prosthetic groups are:

A) Tightly bound to enzymes

B) Proteins

C) Required by all enzymes

D) Loosely attached with enzymes

4 / 17

4) Which of the following is a bidentate ligand?

A) Oxalato

B) Ammine

C) Cyano

D) Fluoro

5 / 17

5) The reaction of carboxylic acid with an alcohol is called:

A) Saponification

B) Esterification

C) Amonolysis

D) Hydrolysis

6 / 17

6) For which mechanisms, the first step involved is the same?

A) E1 nad E2

B) E1 nad SN2

C) E2 nad SN2

D) E1 nad SN1

7 / 17

7) Which of the following alkyne would not produce a ketone on hydration?

A) 2-Butyne

B) Propyne

C) Ethyne

D) 1-Butyne

8 / 17

8) Which of the following reagents will react with both aldehyde and ketones?

A) Benedict's reagent

B) Fehling's reagent

C) Grignard's reagent

D) Tollen's reagent

9 / 17

9) Polymers which are prepared from more than one kind of monomers are called:

A) Linear polymers

B) Addition polymers

C) Homoplymers

D) Copolymers

10 / 17

10) In which of the following compounds benzene rings are isolated?

A) Anthracene

B) Phenanthrene

C) Diphenylethane

D) Naphthalene

11 / 17

11) Which of the following radiations can vibrate the bonds?

A) Ultraviolet

B) Radio waves

C) Microwaves

D) Infrared

12 / 17

12) When AgNO3 is added to the Lassaign’s Solution, Which colour is formed for chlorine?

A) Black

B) Blue

C) White

D) Yellow

13 / 17

13) All lipids are:

A) Hydrophobic

B) Hydrophilic

C) Homocyclic

D) Heterocyclic

14 / 17

14) Magnetic moment (μ) of an atom or ion is the measure of its numbers of un-paired electrons.

A) Nucleons

B) Protons

C) Neutrons

D) Electrons

15 / 17

15) Green is the characteristic flame colour of:

A) Calcium

B) Stronsium

C) Sodium

D) Barium

16 / 17

16) Reaction of alkylhalides with Na metal yields:

A) Phenols

B) Alkenes

C) Alcohols

D) Alkanes

17 / 17

17) It is possible to distinguish between optical isomers by using:

A) Chemical tests

B) Polarimetry

C) Mass spectrometry

D) IR spectroscopy

Your score is

FBISE Past Paper # 2017-3

158

FBISE-12th-2017-3-Objectives

Total 17 MCQs

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1 / 17

1) Which one is correct order of hydration energy of Na+, Mg++, Al +++ ions?

A) Na+ Al +++

B) Al +++ > Mg++ > Na+

C) Al +++ < Mg++ <Na+

D) Na+ > Al +++ > Mg++

2 / 17

2) Rectified spirit is convertred into absolute alcohol by:

A) denaturing with methanol

B) re-distillation in presence of CaO

C) Passing through charcoal

D) destructive distillation

3 / 17

3) The type of hybridization of carbon in ethylene molecule is:

A) sp

B) sp2

C) sp3

D) dsp2

4 / 17

4) Which of the following is structure of benzoic acid:

A) d

B) c

C) b

D) a

5 / 17

5) Laughing gas is chemically:

A) NO2

B) NO

C) N2O

D) N2O5

6 / 17

6) The name of mineral CaSO4.2H2O is:

A) Gypsum

B) Dolomite

C) Calcite

D) Natron

7 / 17

7) β–β‘-Dichloroethyl sulphide is commonly known as:

A) Mustard gas

B) Bio-gas

C) Laughing gas

D) Phosgene gas

8 / 17

8) When an alkyl nitrile is hydrolysed in the presence of an acid or a base, the product obtained is:

A) An alcohol

B) An aldehyde

C) A ketone

D) A carboxylic acid

9 / 17

9) When ethyl magnesium bromide is reacted with acetone followed by acid hydrolysis, the product obtained is:

A) 2-Methyl-2-butanol

B) 2-Methyl-3-butanol

C) 3-Methyl-3-butanol

D) secondary alcohol

10 / 17

10) Aluminium does not react with nitric acid at any concentration because of the formation of a layer of:

A) Aluminium oxide

B) Aluminium Nitrate

C) Aluminium Nitrite

D) Aluminium hydroxide

11 / 17

11) Many fluoro compounds likeCF4 and SiF6 show inertness due to:

A) Restriction of valence shell of Fluorine to octet

B) High electronegativity of Fluorine

C) small size of fluorine

D) high ionization energy of Fluorine

12 / 17

12) The electrophile in aromatic sulphonation is:

A) SO3+

B) SO3

C) H2SO4

D) H2SO3

13 / 17

13) Iodoform test is used to distinguish:

A) ethanol from methanol

B) acetone from acetaldehyde

C) 3-hexanone from 3-pentanone

D) ethanol from acetaldehyde

14 / 17

14) When Benzene reacts with Bromine in the presence of FeBr3, the product obtained is:

A) b

B) a

C) c

D) d

15 / 17

15) Which of the following is a non-typical transition element:

A) Fe

B) Mn

C) Cr

D) Zn

16 / 17

16) Which of the three elements are needed for the healthy growth of plants?

A) N,S,K

B) N,P,K

C) N,S,P

D) N,Ca, P

17 / 17

17) Which of the following enzyme brings about the hydrolysis of fats?

A) Urease

B) Lipase

C) Maltase

D) Invertase

Your score is

FBISE Past Paper # 2017-S1

145

FBISE-12th-2017-Supply-1-Objectives

Total 17 MCQs

Evaluate your concepts

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1 / 17

1) Which of the following compounds have no attraction at all with water?

A) C6H6

B) CH3CH2OH

C) CH3COOH

D) C2H5OH

2 / 17

2) The dyes which have two or more -N=N- groups are called:

A) nitroso dyes

B) triaryl methane dyes

C) nitro dyes

D) Azo dyes

3 / 17

3) Which of the following is not an organic compound?

A) HCO2H

B) H2CO3

C) CH3CO2CH3

D) C2H5CO2H

4 / 17

4) …………………………. are sulphur analogues of alcohols:

A) Imines

B) Amines

C) Thiols

D) Alkenes

5 / 17

5) Which of the following order is correct regarding the acidity of carboxylic acids?

A) CH2Cl COOH > CHCl2 COOH > CCl3 COOH

B) CCl3COOH > CHCl2 COOH > CH2Cl COOH

C) CH2Cl COOH > CCl3 COOH > CHCl COOH

D) CHCl2 COOH > CCl3 COOH > CH2Cl COOH

6 / 17

6) Which of the following will react with both aldehyde and ketones?

A) Grignard's reagent

B) Tollen's reagent

C) Benedict's reagent

D) Fehling's reagent

7 / 17

7) A chiral carbon is a carbon which has ………………different groups attached with it:

A) 4

B) 3

C) 2

D) 1

8 / 17

8) ………………….. is an example of disaccharides.

A) Glucose

B) Sucrose

C) Galactose

D) Fructose

9 / 17

9) Which property increases going down the group II-A of periodic table?

A) Ionic radius

B) Electronegativity

C) Maximum oxidation number

D) second ionization energy

10 / 17

10) Identify the most stable carbocation among the following:

A) b

B) c

C) a

D) d

11 / 17

11) Acidic hydrogen is present in:

A) Propane

B) 2-Butyne

C) Propene

D) Propyne

12 / 17

12) Which of the following is correct decreasing order of bond length of Halogens?

A) I2>Cl2>F2>Br2

B) I2>cl2>Br2>F2

C) Br2>I2>Cl2>F2

D) I2>Br2>Cl2>F2

13 / 17

13) The secondary structure of protein is stabilized by:

A) dipole interactions

B) Peptide bond

C) Vander waal's forces

D) hydrogen bonds

14 / 17

14) Infrared radiations are involved in:

A) UV spectroscopy

B) mass spetcrometry

C) NMR spectroscopy

D) IR spectroscopy

15 / 17

15) Esterification is the reaction of …………………. with an alcohol.

A) Amide

B) Carboxylic cid

C) Amine

D) Ester

16 / 17

16) What is the correct electronic configuration of Cr? (Atomic number of Cr = 24)

A) [Ar], 3d3, 4s1

B) [Ar], 3d1, 4s2

C) [Ar], 3d4, 4s2

D) [Ar], 3d5, 4s1

17 / 17

17) Which of the following is not an air pollutant?

A) CO2

B) CO

C) SO2

D) NO2

Your score is

FBISE Past Paper # 2017-S2

184

FBISE-12th-2017-Supply-2-Objectives

Total 17 MCQs

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1 / 17

1) The anhydride of HClO4 is:

A) Cl2O3

B) Cl2O5

C) Cl2O7

D) ClO2

2 / 17

2) The element Caesium resembles with:

A) Ca

B) Sc

C) Co

D) Cr

3 / 17

3) The reaction between fat and NaOH is called:

A) hydrogenation

B) saponification

C) fermentation

D) esterification

4 / 17

4) Ketones are prepared by the oxidation of:

A) carboxylic acid

B) secondary alcohol

C) aldehydes

D) primary alcohol

5 / 17

5) Vinyl acetylene combines with HCl to form:

A) divinylacetylene

B) Benzene

C) polyacetylene

D) chloroprene

6 / 17

6) Keeping in view the sizes of atoms, which order is correct one?

A) Li > Cs

B) Mg > Sr

C) Ba > Mg

D) Cl > I

7 / 17

7) Tincal is a mineral of:

A) Boron

B) Carbon

C) Silicon

D) Aluminium

8 / 17

8) Newspaper can be recycled again and again ……………… times:

A) 4

B) 2

C) 5

D) 3

9 / 17

9) Acetamide is prepared by:

A) heating ethyl acetate

B) heating methyl cayanide

C) heating ammonium acetate

D) hydrolysis of methyl cayanide

10 / 17

10) -CHO group in benzene is:

A) para directing

B) ortho directing

C) ortho and para directing

D) meta directing

11 / 17

11) Benzene can not undergo:

A) elimination reaction

B) substitution reaction

C) addition reaction

D) oxidation reaction

12 / 17

12) Which of the following is non-typical transition element:

A) Mn

B) Fe

C) Cr

D) Zn

13 / 17

13) Laughing gas is chemically:

A) NO

B) N2O3

C) N2O

D) NO2

14 / 17

14) The reagent which reacts both with aldehyde and ketones is:

A) Tollen's reagent

B) Fehling's reagent

C) Grignard's reagent

D) Benedict's reagent

15 / 17

15) Alcohol and ether show the phenomenon of:

A) functional group isomerism

B) metamerism

C) Position isomerism

D) cis-tran isomerism

16 / 17

16) Aluminium oxide is:

A) Basic oxide

B) either acidic or basic

C) amphoteric oxide

D) acidic oxide

17 / 17

17) For which mechanism, the first step involved is same?

A) E1 & E2

B) E1 & SN1

C) E2 & SN2

D) SN1 & SN2

Your score is

FBISE Past Paper # 2018-1

FBISE-12th-2018-1-Objectives

Total 17 MCQs

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1 / 17

1) The reagent which is used to distinguish between aldehydes and alcohols is:

A) Tollnen's reagent

B) Hydroxyl amine

C) Iodoform

D) 2,4-Dinitrophenylhydrazine

2 / 17

2) Which of the following reducing agents reduces the aromatic nitro compounds to amines:

A) Na/NH3(liq)

B) Sn/HCl

C) Br2/KOH

D) NaBH4

3 / 17

3) The meta directing group among the following is:

A) -OH

B) -NH2

C) -OCH3

D) -COOH

4 / 17

4) Br-1 reduces H2SO4 to form:

A) SO2

B) S

C) H2S

D) SO3

5 / 17

5) The electrophile in the aromatic sulphonation reaction of benzene is:

A) H2SO4

B) SO2

C) SO3

D) HSO4-1

6 / 17

6) Which of the following will not produce nitrite on heating?

A) RbNO3

B) NaNO3

C) LiNO3

D) KNO3

7 / 17

7) -SH is the functional group present in the organic compounds known as:

A) Hydrogen sulphides

B) Sulphides

C) Sulphones

D) Thiols

8 / 17

8) Which one of the following is NOT a disaccharide?

A) Sucrose

B) Galactose

C) Maltose

D) Lactose

9 / 17

9) The correct name of the complex ion, []Zn (NH2-CH2-CH2-NH2)3]+2 is:

A) Trisethylenediamminezinc(II)

B) Trisethylenediamminezincate(II)

C) Triethylenediamminezinc(II)

D) Triethylenediamminezincate(II)

10 / 17

10) In the reaction with aqueous copper (II) complex , [Cu(H2O)6]+2 , ammonia acts as a ligand as well as:

A) A nucleophile

B) An acid

C) A salt

D) A base

11 / 17

11) The industrial smog contains smoke mixed with:

A) O3

B) SO2

C) CO2

D) SO3

12 / 17

12) Reaction of carboxylic acids with LiAlH4 results in the formation of:

A) Ter-Alcohols

B) Primary alcohols

C) sec-Alcohols

D) Aldehydes

13 / 17

13) The technique which is used to determine the position of carbon atoms in an organic compound is:

A) NMR spectroscopy

B) mass spetcrometry

C) UV spectroscopy

D) IR Spectroscopy

14 / 17

14) Nail polish remover is composed of:

A) Acetic acid and acetone

B) Acetone and ethyl acetate

C) Acetone and ethyl alcohol

D) Ethyl alcohol and ethyl acetate

15 / 17

15) Which one of the following will NOT give iodoform test on reaction with I2/NaOH?

A) 1-Propanol

B) 2-Propanol

C) Acetaldehyde

D) Acetone

16 / 17

16) Ethers can be prepared by the reaction of alkyl halides with:

A) Ag2O

B) PbO

C) Cu2O

D) Na2O

17 / 17

17) The alcohol with greater reactivity with respect to the cleavage of its O-H bond is:

A) Pri-alcohol

B) sec-alcohol

C) Ter-alcohol

D) CH3OH

Your score is

FBISE Past Paper # 2018-2

FBISE-12th-2018-2-Objectives

Total 17 MCQs

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1 / 17

1) The coordination number of Zinc in the complex ion [Zn(NH2-CH2-CH2-NH2)3]+2 is:

A) 6

B) 5

C) 3

D) 4

2 / 17

2) 2,3-Dimethyl-2-butene on reaction with O3/H2O gives:

A) Acetaldehyde

B) Acetone

C) Ethyl alcohol

D) Acetic acid

3 / 17

3) The ONLY alkaline earth metal which reacts with alkalies is:

A) Mg

B) Be

C) Ca

D) Ba

4 / 17

4) Acetamide can be prepared by heating:

A) Nitro ethane

B) Ethyl nitrile

C) Ethyl amine

D) Ammonium acetate

5 / 17

5) The alcohol with greater reactivity with respect to the cleavage of its C-O bond is?

A) ter-alcohol

B) CH3OH

C) Pri-alcohol

D) Sec-alcohol

6 / 17

6) Which one of the following can be used to distinguish between Fe+2 and Fe+3 ions?

A) SCN-1

B) CrO4-2

C) Cr2O7-2

D) MnO4-

7 / 17

7) The reagent used to detect phosphorous present in an organic compound is:

A) Ammonium Phospho Molybdate

B) Ammonium Chloride

C) Ammonium Meta Vanadate

D) Ammonium Molybdate

8 / 17

8) The MORE acidic compound among the following is:

A) C6H5OH

B) CH3COOH

C) C2H5OH

D) H2CO3

9 / 17

9) In IR spectrum of an organic compound, a strong peak at 1720 cm-1 is due to:

A) C-H bond

B) O-H bond

C) C=O bond

D) N-H bond

10 / 17

10) Which one of the following is a poor leaving group in SN-reactions?

A) Cl-1

B) F-1

C) I-1

D) Br-1

11 / 17

11) Which of the followings is NOT present in RNA?

A) Cytocine

B) Guanine

C) Adenine

D) Thymine

12 / 17

12) Acetal is produced when acetaldehyde reacts with:

A) An alcohol

B) An ester

C) An ether

D) A ketone

13 / 17

13) Peroxy Acetyl Nitrate (PAN) is a secondary pollutant, which affects:

A) Skin

B) Eyes

C) Nose

D) Lungs

14 / 17

14) Which dye is used in boot polish?

A) Methyl orange

B) Bismark brown

C) Malachite green

D) Congo red

15 / 17

15) Geometrical isomerism is shown by:

A) Lactic acid

B) 1-Butene

C) 2-Butene

D) Tartaric acid

16 / 17

16) Which one is NOT correct order of stability of oxidation states of group-IVA elements?

A) Ge+4 > Ge+2

B) Sn+4 > Pb +4

C) Pb+4 > Pb+2

D) Ge+4 > Sn+4

17 / 17

17) Sarette reagent is:

A) K2Cr2O7/H2SO4

B) CrO3/NaOH

C) KMnO4/H2SO4

D) CrO3/Pyridine

Your score is

FBISE Past Paper # 2018-S

FBISE-12th-2018-Supply-Objectives

Total 17 MCQs

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1 / 17

1) Which of the following is NOT a dehydrating agent?

A) HNO3

B) P4O10

C) H2SO4

D) H3PO4

2 / 17

2) Which of the following is a simple protein?

A) Histones

B) Peptones

C) Glycoproteins

D) Proteans

3 / 17

3) Wat is the value of BOD for clean water?

A) 1

B) 5

C) 2

D) 3

4 / 17

4) Malonic acid is a common name for:

A) Benzenedioic acid

B) Ethanedioic acid

C) Butanoic acid

D) Propanedioic acid

5 / 17

5) Molecular formula of Catechol is:

A) C6H4(OH)2

B) C6H4(OH)(NO2)

C) C6H4(OH)(NO)

D) C6H4(NO2)2

6 / 17

6) In C2H6SO2 functional group is:

A) Thiol

B) Sulphone

C) Sulphoxide

D) Sulphide

7 / 17

7) [Ti(H2O)6] is of ……………….. colour.

A) Purple

B) Yellow

C) Green

D) Blue

8 / 17

8) Which of the following is MOST stable cation?

A) Sn+4

B) Si+4

C) Ge+4

D) Pb+4

9 / 17

9) Stability order of simple alkyl carbocation is:

A) 3° > 2° > 1° > methyl

B) 3° > methyl > 2° > 1°

C) methyl > 3° > 2° > 1°

D) 3° < 2° < 1° < methyl

10 / 17

10) Catalytic oxidation of benzene takes place in presence of……………………as catalyst.

A) V2O5

B) Ni

C) Fe

D) Pt

11 / 17

11) Mordants are salts of:

A) Lithium

B) Titanium

C) Sodium

D) Aluminium

12 / 17

12) With which wavelength is green colour associated?

A) 580-595

B) Above 800

C) 500-580

D) 435-480

13 / 17

13) Which of the following is an acid catalysed reaction?

A) Haloform

B) Polymerization of aldehydes

C) Addition of hydrogen cyanide

D) Condensation

14 / 17

14) Composition of Brass is:

A) Zn and Sn

B) Cu and Sn

C) Cu and Zn

D) Ni, Cr and Fe

15 / 17

15) Tartaric acid is obtained from:

A) Grapes

B) Sugar

C) Wine

D) Vinegar

16 / 17

16) Miticides are used to control:

A) Unwanted plants

B) Ticks and mites

C) Fungi

D) Mice and bats

17 / 17

17) Which of the following will NOT give iodoform test?

A) Acetone

B) Ethanal

C) 3-Pentanone

D) Acetaldehyde

Your score is

FBISE Past Paper # 2019-1

FBISE-12th-2019-1-Objectives

Total 17 MCQs

Evaluate your concepts

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1 / 17

1) Pyridine is:

A) Heterocyclic aromatic componds

B) Carbocyclic aliphatic componds

C) Heterocyclic aliphatic componds

D) Carbocyclic aromatic componds

2 / 17

2) A mixture consists of 40%(+) tartaric acid and 60%(-) tartaric acid. This mixture rotates plane polarized light:

A) Does not rotate

B) Clock wise

C) Unpredictably

D) Anti-clock wise

3 / 17

3) Which of the following is CORRECT?

A) SN1 and SN2 are one step reactions

B) SN1 and E1 are one step reactions

C) SN2 and E2 are one step reactions

D) E1 and E2 are one step reactions

4 / 17

4) Acetic acid reacts with Na metal to form:

A) Salt +H2O

B) Salt + CO2

C) Salt + H2

D) Only salt

5 / 17

5) Which of the following metal hydroxide is LEAST soluble in water?

A) Mg(OH)2

B) Sr(OH)2

C) Ca(OH)2

D) Ba(OH)2

6 / 17

6) The carbon atom in formaldehyde is:

A) dsp2 hybridized

B) sp2 hybridized

C) sp hybridized

D) sp3 hybridized

7 / 17

7) Which region of electromagnetic radiation is used in IR spectroscopy?

A) 0.8 nm -2.5 nm

B) 2.5 nm -16 nm

C) 2.5 μm – 16 μm

D) 0.8 μm – 2.5 μm

8 / 17

8) Which of the following alloy is used in the preparation of Raney nickle?

A) Ni-Cd

B) Ni-Cu

C) Ni-Ag

D) Ni-Al

9 / 17

9) R-CN gives, when it is reacted with LiAlH4:

A) No reaction

B) 2° amines

C) 3° amines

D) 1° amines

10 / 17

10) The abnormal enlargement of thyroid gland is due to deficiency of …………… in diet.

A) Chlorine

B) Bromine

C) Flourene

D) Iodine

11 / 17

11) Which of the following elements form alloys?

A) Transition elements

B) Alkali metals

C) Halogens

D) Alkaline earth metals

12 / 17

12) Electronic configuration of a transition element X in +2 oxidation state is [Ar]3d5. What is its atomic number?

A) 26

B) 24

C) 25

D) 27

13 / 17

13) The hard and the rigid rocky earth crust is called:

A) Atmosphere

B) Biosphere

C) Lithosphere

D) Hydrosphere

14 / 17

14) Polyethylene is an example of:

A) Thermosetting polymers

B) Addition polymers

C) Condensation polymers

D) Biopolymers

15 / 17

15) Nucleic acids are the repeating units of:

A) Nucleotides

B) Basses

C) Nucleosides

D) Sugars

16 / 17

16) Which of the following pair has both members from the same period of the periodic table?

A) Na-Ca

B) Ca-Cl

C) Na-Cl

D) Cl-Br

17 / 17

17) Hydrogen bonding is maximum in:

A) Ethanol

B) Triethylamine

C) Methoxyethane

D) Ethanal

Your score is

FBISE Past Paper # 2019-2

FBISE-12th-2019-2-Objectives

Total 17 MCQs

Evaluate your concepts

Boost your confidence for final board exams

Keep practicing

1 / 17

1) 1,3-Dibromobutane is:

A) Geminal dihalides

B) A dihalides

C) Vicinal dihalides

D) A halide

2 / 17

2) Very high energy electron beams are used in :

A) UV Spectroscopy

B) mass spetcrometry

C) IR Spectroscopy

D) NMR spectroscopy

3 / 17

3) Identify X in the following reaction:

X + 4NaOH + 3I2 → CHI3 + HCOONa + 3NaI + 3 H2O

A) Benzaldehyde

B) Acetaldehyde

C) Acetone

D) Formaldehyde

4 / 17

4) Which of the following occurs during the initiation stage of radical mechanism?

A) radicals are formed from other radicals

B) non radicals are formed from other non radicals

C) Non radicals are formed from radicals

D) radicals are formed from non radicals

5 / 17

5) The hydrolysis of triglycerides by alkalies is called:

A) Esterification

B) Dehydration

C) Chlorination

D) Saponification

6 / 17

6) Indicate the MOST acidic carboxylic acid:

A) Dichloroethanoic acid

B) Chloroethanoic acid

C) Ethanoic acid

D) Bromoethanoic acid

7 / 17

7) The designing and creation of chemicals that are NOT hazardous to people or environment is related to:

A) Environmental Chemistry

B) Industrial chemistry

C) Biochemistry

D) Green chemistry

8 / 17

8) Which of the following will give benzoic acid, when reacted with alkaline KMnO4?

A) Phenol

B) Aniline

C) Toulene

D) Nitrobenzene

9 / 17

9) Good leaving group among the following is:

A) RO-

B) H2O

C) OH-

D) NH2-

10 / 17

10) Which of the following is NOT monohydric alcohol?

A) Isopropyl alcohol

B) Methanol

C) Glycol

D) Ethanol

11 / 17

11) Which of the following is an amphoteric hydroxide?

A) Mg(OH)2

B) Si(OH)4

C) Al(OH)3

D) NaOH

12 / 17

12) For a mixture containing 50%(+) Tartaric acid and 50%(-) Tartaric acid, which of the following statement is correct?

A) It is not a recemic mixtute and optically active

B) It is a recemic mixtute and optically inactive

C) It is a recemic mixtute and optically active

D) It is not a recemic mixtute and optically inactive

13 / 17

13) The order of reactivity of alcohol with respect to -O-H bond cleavage is:

A) CH3OH > 1° Alcohol > 2° Alcohol > 3° Alcohol

B) CH3OH > 2° Alcohol > 1° Alcohol > 3° Alcohol

C) 3° Alcohol > 1° Alcohol > 2° Alcohol > CH3OH

D) 2° Alcohol > 1° Alcohol >CH3OH > 3° Alcohol

14 / 17

14) Which of the following is NOT a hydrocarbon?

A) Cumene

B) Mesitylene

C) Durene

D) Resorcinol

15 / 17

15) Which of the following compounds is NOT used to adhere two items together?

A) Resins

B) Glue

C) Adhesives

D) Dye

16 / 17

16) The coordination number of carbonyl in [Ni(CO)4] is:

A) 0

B) 2

C) 4

D) 3

17 / 17

17) Metal carbonates decompose on heating to give metal oxides and carbon dioxide. Which of the following metal carbonates is thermally most stable?

A) CaCO3

B) BaCO3

C) MgCO3

D) SrCO3

Your score is

FBISE Past Paper # 2022-Hard Area Objectives

FBISE-12th-2022-Hard Area Objectives

Total 17 MCQs

Evaluate your concepts

Boost your confidence for final board exams

Keep practicing

1 / 17

1) In destructive distillation, Coal is heated at 500-1000 °C in the absence of air. It gives:

A) methane, coal, coal tar

B) carbon monoxide, methane . hydrogen gas

C) phenol, coke, hydrogen gas

D) Coke, coal tar, coal gas

2 / 17

2) Which of the following nitrogenous bases is NOT present in DNA?

A) Uracil

B) Guanine

C) Cytocine

D) Thymine

3 / 17

3) Identify the compound which shows geometrical isomerism:

A) c

B) a

C) d

D) b

4 / 17

4) Which of the following will form yellow coloured complex compound?

A) Cu+1

B) Zn+2

C) Fe+3

D) Sc+3

5 / 17

5) In IR Spectrum, a strong peak at 1720 cm-1 indicates the presence of:

A) C=C bond

B) CN bond

C) O-H bond

D) C=O bond

6 / 17

6) Identify green house gases:

A) CH4 &O3

B) CH4 & O2

C) CO2 & H2O vapours

D) NO2 & H2O vapours

7 / 17

7) Acetic acid is reacted with ammonia and resulting compound is strongly heated. Identify the compound formed?

A) CH3-CHO

B) CH3-CO-NH2

C) CH3-NH2

D) CH3-CN

8 / 17

8) Oxidative cleavage of Ethane-1,2-diol (Glycol) with HIO4 gives:

A) Ethanol

B) Methanol

C) Formaldehyde

D) Acetaldehyde

9 / 17

9) Which of the following carbides is decomposed by water to form CH4 gas?

A) CaC2

B) SrC2

C) MgC2

D) Be2C

10 / 17

10) Which of the following base will favour substitution reaction as compared to the elimination reaction?

A) -OH

B) -NH2

C) -I

D) -OR

11 / 17

11) Geometry of [Pt(NH3)4]+2 is square planar. Hybridization of Pt in the complex is:

A) dsp2

B) dsp3

C) d2sp3

D) sp3

12 / 17

12) HI is a strong base. It reduces H2SO4 to:

A) S

B) SO2

C) H2SO4

D) H2S

13 / 17

13) Which of the following alcohols on reaction with K2Cr2O7/H2SO4 will give an alkene?

A) c

B) d

C) b

D) a

14 / 17

14) Predict the product of the reaction:

A) b

B) d

C) c

D) a

15 / 17

15) Nylon-6,6 is the polymer of:

A) Ethylene glycol and adipic acid

B) Hexamethylene diamine and Phthalic acid

C) Hexamethylene diamine and adipic acid

D) Ethylene glycol and phthalic acid

16 / 17

16) Which of the following is meta directing group in the electrophilic substitution reactions of Monosubstituted Benzene?

A) -OH

B) -SO3H

C) -NH2

D) -OCH3

17 / 17

17) Which of the following tests is applied to differentiate between Ethanal and Propanal?

A) Iodoform test

B) Lucas test

C) Cannizaro's reaction

D) Aldol condensation

Your score is

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