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

A) Ethanol

B) Ethene

C) Phenol

D) Benzene

2 / 17

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

A) Strong acid versus weak base

B) Strong acid versus strong base

C) Weak acid versus weak base

D) Weak acid versus strong base

3 / 17

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

A) -COOH group

B) -OH group

C) -Cl group

D) -NH2 group

4 / 17

4) Enzymes activity is affected by:

A) Density

B) Colour only

C) Pressure

D) Temperature

5 / 17

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

A) less than one

B) greater than one

C) becomes zero

D) equal to one

6 / 17

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

A) Methane

B) Propene

C) Ethene

D) Butene

7 / 17

7) Which compound is more stable due to resonance?

A) 1,3-Cyclohexadiene

B) Hexane

C) Benzene

D) Cyclohexane

8 / 17

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

A) Chain isomerism

B) Functional group isomerism

C) Geometrical isomerism

D) Position isomerism

9 / 17

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

A) 2

B) 1

C) 3

D) 4

10 / 17

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

A) Move faster

B) be colourless

C) Have Rf=1

D) Move slower

11 / 17

11) The molecular ion peak gives information about:

A) Functional group only

B) Number of atoms

C) Molecular mass of compound

D) Colour of compound

12 / 17

12) Ligands form bond with transition metals by:

A) Losing protons

B) Donating lone pair of electrons

C) Accepting electrons

D) Forming ionic bonds only

13 / 17

13) Which compound is least soluble in water?

A) SiSO4

B) BaSO4

C) MgSO4

D) CaSO4

14 / 17

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

A) 1,3-Butadiene

B) Propene

C) 1,3,5-Hexatriene

D) Ethene

15 / 17

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

A) Neutral species

B) Oxidizing agent

C) Catalyst

D) Reducing agent

16 / 17

16) 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

17 / 17

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

A) Nucleophilic substitution

B) Polymerization

C) Elimination reaction

D) Addition reaction

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 gas is mainly responsible for acid rain?

A) O2

B) CH4

C) N2

D) SO2

2 / 17

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

A) Electrophilic substitution

B) SN1

C) SN2

D) Free radical substitution

3 / 17

3) Which compound shows hydrogen bonding?

A) C2H6

B) CH3-O-CH3

C) C2H5OH

D) C2H5Cl

4 / 17

4) Titration is an example of:

A) Qualitative analysis

B) Speculative analysis

C) Quantitative analysis

D) Structural analysis

5 / 17

5) Which polymer is formed by condensation reaction?

A) Polyethylene

B) PVC

C) Nylon

D) Polystyrene

6 / 17

6) Which aldehyde will show aldol condensation?

A) Formaldehyde

B) Propanal

C) Ethanal

D) Benzaldehyde

7 / 17

7) The building blocks of proteins are:

A) Fatty acids

B) Monosaccharides

C) amino acids

D) Nucleotides

8 / 17

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

A) Li

B) Na

C) K

D) Rb

9 / 17

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

A) Cu

B) Pt

C) Fe

D) Ni

10 / 17

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

A) Cl

B) Mg

C) Na

D) Ar

11 / 17

11) In SN1 reaction, the rate depends on:

A) Concentration of substrate

B) concentration of nucleophile

C) concentration of catalyst

D) Pressure

12 / 17

12) Beryllium hydroxide is classified as:

A) Basic

B) Neutral

C) Acidic

D) amphoteric

13 / 17

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

A) Spectroscopy

B) Gravimetric analysis

C) Titration

D) Chromatography

14 / 17

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

A) Addition reactions

B) Aromatic stability

C) Instability

D) Oxidation

15 / 17

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

A) Dehydrogenation

B) Nitration

C) Hydrolysis of alkyl halides

D) Fusion with NaOH

16 / 17

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

A) 60

B) 70

C) 40

D) 50

17 / 17

17) Which carboxylic acid derivative is least reactive?

A) Acyl Chloride

B) Amide

C) Ester

D) Acid anhydride

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

A) Allosteric inhibition

B) Non-Competitive inhibition

C) Partial inhibition

D) Competitive inhibition

2 / 17

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

A) Acetaldehyde

B) Propanal

C) Acetone

D) Formaldehyde

3 / 17

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

A) BeSO4

B) MgSO4

C) CaSO4

D) SrSO4

4 / 17

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

A) 2

B) 3

C) 4

D) 1

5 / 17

5) Ozone is being mainly destroyed by:

A) PAN

B) SO2

C) CFC's

D) CO2

6 / 17

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

A) Chloro methane

B) 2-Chloro propane

C) 2-Methyl-2-Bromo Propane

D) Bromo ethane

7 / 17

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

A) 2 molecules of Formic acid

B) Formic acid , acetic acid

C) 2 molecules of acetic acid

D) 2 molecules of Butanoic acid

8 / 17

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

A) C12H32O20

B) C6H16O10

C) C15H40O25

D) C9H24O15

9 / 17

9) Which statement is correct?

A) Na+ is bigger than Na atom

B) Na is smaller than P Atom

C) Cl- is smaller than Cl atom

D) Cl is smaller than Cl-

10 / 17

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

A) Elasto plastic

B) Fiber plastic

C) Fire plastic

D) Thermosetting plastic

11 / 17

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

A) Only anions

B) Free radicals

C) Only cations

D) Both cations and anions

12 / 17

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

A) F-

B) I-

C) Br-

D) CL-

13 / 17

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

A) Ethanol

B) 3-Hexanol

C) 2-Butanol

D) 2-Methyl-2-Propanol

14 / 17

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

A) Tetrahedral

B) Square planar

C) Linear

D) Octahedral

15 / 17

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

A) Propanol

B) 2-Methyl-2-Propanol

C) Ethanol

D) Methanol

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 has lowest density?

A) K

B) Na

C) Rb

D) Li

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) Ozone is being mainly destroyed by:

A) PAN

B) CO2

C) SO3

D) CFC's

2 / 17

2) Identify the organic compound:

A) CO

B) NH2CONH2

C) CO2

D) NH4CNO

3 / 17

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

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

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

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

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

4 / 17

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

A) Density of K is higher than Li

B) Density of Na is Lower than Li

C) Density of K is Lower than Na

D) Density of Li is higher than K

5 / 17

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

A) SrSO4

B) CaSO4

C) BeSO4

D) MgSO4

6 / 17

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

A) Ethanol

B) Propanol

C) Methanol

D) 2-Methyl-2-propanol

7 / 17

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

A) Al

B) Si

C) Na

D) Mg

8 / 17

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

A) 2-Butanol

B) 3-Pentanol

C) 2-Methyl-2-propanol

D) Ethanol

9 / 17

9) 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

10 / 17

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

A) secondary alcohol

B) Esters

C) Tertiart alcohol

D) Primary alcohol

11 / 17

11) 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) Non-Competitive inhibition

C) Allosteric inhibition

D) Competitive inhibition

12 / 17

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

A) 1

B) 2

C) 3

D) 4

13 / 17

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

A) Only cations

B) Free radicals

C) Only anions

D) Both cations and anions

14 / 17

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

A) Temporary hair dye

B) Permanent hair dye

C) Semi-permanent hair dye

D) Demi permanent hair dye

15 / 17

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

A) 3-Chloropentane

B) 2-Chloropropane

C) 1-Chloropropane

D) 2-Methyl-2-chloropropane

16 / 17

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

A) 1-Propanol

B) 2-Methyl-2-Propanol

C) 2-Propanol

D) 2-Butanol

17 / 17

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

A) Ethanal

B) 2-Methylpentanal

C) Methanal

D) Acetone

Your score is

FBISE Past Paper # 2016-1

991

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) Nuclear magnetic resonance spectroscopy

B) Infrared spectroscopy

C) Ultraviolet

D) Mass spectrometry

2 / 17

2) Group VIII elements are generally called:

A) Coinage elements

B) Alkali metals

C) Halogens

D) Noble gases

3 / 17

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

A) Carboxylic acids

B) Ethers

C) Esters

D) Ketones

4 / 17

4) The IUPAC name of the given compound is:

A) Penta-2-ene-4-yne

B) Penta-3-ene-1-yne

C) Penta-3-ene-5-yne

D) Penta-4-ene-2-yne

5 / 17

5) Double bond is formed as a result of:

A) Elimination reaction

B) Addition reaction

C) Substitution reaction

D) Polymerization reaction

6 / 17

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

A) Hydrocarbons

B) Hydrofluorocarbons

C) CO2

D) Perflourocarbons (PFCs)

7 / 17

7) Pale green is a characteristic flame colour of:

A) Calcium

B) Sodium

C) Barium

D) Stronsium

8 / 17

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

A) P4O10

B) SO3

C) Al2O3

D) Na2O

9 / 17

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

A) M+ cation

B) M+3 cation

C) M+2 cation

D) M+4 cation

10 / 17

10) Reduction of alkyl nitriles gives:

A) Alkanes

B) Primary amines

C) Sec: amines

D) Alcohols

11 / 17

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

A) Fluorine

B) Iodine

C) Chlorine

D) Bromine

12 / 17

12) 3Ca + N2 → ?

A) CaN2

B) Ca3N

C) Ca2N3

D) Ca3N2

13 / 17

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

A) Hydrogen bond

B) Covalent bond

C) Metallic bond

D) Ionic bond

14 / 17

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

A) Positional isomers

B) Functional group isomers

C) Chain isomers

D) Metamers

15 / 17

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

A) Phenol nitrate

B) O-Nitrophenol

C) Toulene

D) Benzene

16 / 17

16) The long chains of monosaccharides are called:

A) OIls

B) Proteins

C) Vitamins

D) Carbohydrates

17 / 17

17) Acetone can be obtained by the oxidation of:

A) 2-Propanol

B) Propanal

C) Ethanol

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

A) S

B) Fe

C) Zn

D) Cl

2 / 17

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

A) Cl ? I

B) Lu ? Ce

C) Mg ? Sr

D) Ba ? Mg

3 / 17

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

A) Sn

B) Cu

C) Pb

D) Zn

4 / 17

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

A) Ethene

B) Ethyne

C) Ethane

D) 2-Butyne

5 / 17

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

A) NO2

B) N2O5

C) N2O3

D) NO

6 / 17

6) Acetone can be prepared by dry distillation of:

A) Calcium acetate and calcium formate

B) Calcium formate

C) Calcium acetate

D) Calcium oxalate

7 / 17

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

A) Polyester

B) Nylon-6,6

C) Epoxyresin

D) Polystyrene

8 / 17

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

A) Laughing gas

B) Marsh gas

C) Mustard gas

D) Phosgene gas

9 / 17

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

A) -COR

B) -N+R3

C) -NO2

D) -N(CH3)2

10 / 17

10) Which acid can dissolve vitreous silica?

A) HClO4

B) HNO3

C) HF

D) HOF

11 / 17

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

A) 2-Methyl-2-propanol

B) Ethanol

C) 2-Propanol

D) 1-Propanol

12 / 17

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

A) Atomic chlorine

B) Atomic oxygen

C) Peroxy acetyl nitrate

D) Chlorofluoro carbons

13 / 17

13) 1-Butene and 2-Butene are ……………………………isomers of each other.

A) Tautomeric

B) Positional isomers

C) Functional group isomers

D) Chain isomers

14 / 17

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

A) Propane

B) Propanal

C) Propanol

D) Propanoic acid

15 / 17

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

A) Mg

B) Na

C) Ca

D) K

16 / 17

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

A) XeF4

B) XeF2

C) XeOF2

D) XeF6

17 / 17

17) 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) CH2=CH-CH3

B) CH3COOH

C) CH3COOC2H5

D) CH3CHO

Your score is

FBISE Past Paper # 2016-3

418

FBISE- 2016-3-Objectives

Total 17 MCQs

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1 / 17

1) Mass spectroscopy is used to determine:

A) Alignment of nuclei in magnetic field

B) Molecular structure

C) Molecular weight

D) Molecular formula

2 / 17

2) Cyclopropane is an example of:

A) Alicyclic compounds

B) Aromatic compounds

C) Heterocyclic compounds

D) Aliphatic compounds

3 / 17

3) Formaldehyde on reaction with methyl magnesium bromide produces:

A) Ethanol

B) Methanol

C) 1-Propanol

D) 2-Propanol

4 / 17

4) Chose the mismatched pair from the following:

Polymer ————- Monomer

A) Polyethene—-Ethene

B) PVC——Phenyl chl;oride

C) Protein——– Amio Acid

D) Starch—-Glucose

5 / 17

5) Isomers of a substance must have:

A) Same functional formula

B) Same structural formula

C) Same molecular weight

D) Same chemical properties

6 / 17

6) CaO + SO3 → CaSO4

The above reaction is a type of :

A) Acid base reaction

B) Suplhonation reaction

C) Redox reaction

D) Precipitation reaction

7 / 17

7) Isobutyric acid is also called:

A) 2-Methyl propanoic acid

B) Propan-dioic acid

C) Butanoic acid

D) 2,2-Dimethyl propan-dioic acid

8 / 17

8) Bronze is an alloy of :

A) Ni, Cr and Fe

B) Cu and Ca

C) Cu and Sn

D) Cu and Zn

9 / 17

9) Ecosystem is the smallest unit of:

A) Biosphere

B) Lithosphere

C) Hydrosphere

D) Atmosphere

10 / 17

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

A) Hydrogenation

B) Neutralization

C) Saponification

D) Esterification

11 / 17

11) Benzene can undergo all the following reactions except:

A) Substitution

B) Elimination

C) Addition

D) Oxidation

12 / 17

12) The electrophile in aromatic sulphonation is :

A) SO3

B) H2SO4

C) HSO4 –

D) SO4 -2

13 / 17

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

A) +5

B) -1

C) +2

D) +1

14 / 17

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

A) HClO4

B) HClO2

C) HClO

D) HClO3

15 / 17

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

A) Acetaldehyde

B) Ethyl alcohol

C) Acetic acid

D) Ethylene glycol

16 / 17

16) Which one of the following oxides is acidic?

A) Al2O3

B) BeO

C) MgO

D) CO2

17 / 17

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

A) Vacuum distillation

B) Fractional distillation

C) Destructive distillation

D) Steam distillation

Your score is

FBISE Past Paper # 2016-S1

301

FBISE- 2016-Supply-1-Objectives

Total 17 MCQs

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1 / 17

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

A) HCl

B) HF

C) HI

D) HBr

2 / 17

2) Sodalime is:

A) KOH

B) NaOH

C) Na and Ca(OH)2

D) NaOH and CaO

3 / 17

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

A) Acetamide

B) Acetyl chloride

C) Ethyl acetate

D) Acetic acid

4 / 17

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

A) Benzene and CS2

B) Benzene and acetone

C) Ethyl acetate and acetone

D) Ethyl acetate and CS2

5 / 17

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

A) SnO2

B) CO2

C) BeO

D) MgO

6 / 17

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

A) CH2=CH2

B) HCHO

C) CH3OH

D) CH3CHO

7 / 17

7) SN2 reaction can be best carried out with:

A) Primary alkyl halide

B) Secondary alkyl halide

C) Tertiary alkyl halide

D) Normal alkyl halide

8 / 17

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

A) Propane

B) Propanol

C) Propyne

D) Propene

9 / 17

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

A) Myoglobin

B) Hemoglobin

C) Fats

D) Amino acids

10 / 17

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

A) Phenol ion is stabilized due to resonance

B) Phenoxide ion is stabilized due to resonance

C) Alcohol liberates CO2 with carbonate solution

D) Phenol turns blue litmus paper red

11 / 17

11) Which of the following gases is not pollutant?

A) NO2

B) SO2

C) CO

D) CO2

12 / 17

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

A) Rb2CO3

B) LiCO3

C) K2CO3

D) Na2CO3

13 / 17

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

A) Deep yellow

B) Violet

C) Blue

D) Green

14 / 17

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

A) Pink

B) Bright yellow

C) Blue

D) Colourless

15 / 17

15) Cannizaro’s reaction is not given by:

A) Acetaldehyde

B) Benzaldehyde

C) Formaldehyde

D) Trimethyl acetaldehyde

16 / 17

16) The electrophile in aromatic sulphonation is:

A) HSO4 –

B) SO4 -2

C) H2SO4

D) SO3

17 / 17

17) Geometrical isomerism is shown by:

A) 1,1-Dichloroethylene

B) 1-Butene

C) Lactic acid

D) Maleic acid

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 one of the sulphate is water soluble?

A) Strontium sulphate

B) Lead sulphate

C) Magnesium sulphate

D) Barium sulphate

2 / 17

2) The element NOT present in all proteins is:

A) Nitrogen

B) Sulphur

C) Crabon

D) Hydrpgen

3 / 17

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

A) HClO4

B) HClO3

C) HClO

D) HClO2

4 / 17

4) Tollen’s test is given by:

A) Acetone

B) Methyl acetate

C) Acetaldehyde

D) Acetic acid

5 / 17

5) Central carbon atom in tertiary butyl alcohol is:

A) dsp2-hybridized

B) sp3-hybridized

C) sp-hybridized

D) sp2-hybridized

6 / 17

6) Aldehydes are prepared by:

A) Oxidation of alcohol

B) Reduction of ester

C) Reduction of ketone

D) Reduction of alcohol

7 / 17

7) Electron affinity is a measure of:

A) Energy required to excite electron

B) Energy required to remove electron

C) Energy released during addition of electron

D) Energy released during de-excitation of electron

8 / 17

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

A) Hydrogenolysis

B) Fermentation

C) Esterification

D) Saponification

9 / 17

9) The catalyst used in contact chamber process is:

A) Ferric oxide

B) Silver oxide

C) Vanadium pentaoxide

D) Sulphur trioxide

10 / 17

10) According to Lewis concept, ethers behave as:

A) Base

B) Amphoteric compound

C) Oxidizing agent

D) Acid

11 / 17

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

A) 2

B) 1

C) 6

D) 4

12 / 17

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

A) H2S

B) BF3

C) NH3

D) H2O

13 / 17

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

A) K2Cr2O7/H2SO4

B) LiAlH4

C) H2/Ni

D) H2/Pt

14 / 17

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

A) Acetyl chloride

B) Acetic anhydride

C) Acetamide

D) Ethyl acetate

15 / 17

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

A) HNO3

B) NO3-

C) NO2-

D) NO2+

16 / 17

16) Vinyl acetylene combines with concentrated HCl to form:

A) Divinyl acetylene

B) Chloroprene

C) Benzene

D) Polyacetylene

17 / 17

17) The element belongs to group-IVA is:

A) Lead

B) Oxygen

C) Barium

D) Nitrogen

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

A) V2O5

B) P2O5

C) Mn2O3

D) Fe2O3

2 / 17

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

A) Ethanol

B) Ester

C) Ether

D) Ethanal

3 / 17

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

A) Red

B) Green

C) White

D) Black

4 / 17

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

A) 2-Propanol

B) 2-Methyl-2-Propanol

C) 1-Propanol

D) 3-Propanol

5 / 17

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

A) Formaldehyde

B) Trimethylacetaldehyde

C) Benzaldehyde

D) Acetaldehyde

6 / 17

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

A) RBr

B) RI

C) RCl

D) RF

7 / 17

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

A) Sodium

B) Zinc

C) Calcium

D) Potassium

8 / 17

8) Petrochemicals are classified into how many classes?

A) Three

B) One

C) Four

D) Two

9 / 17

9) Hydrolysis of nitriles produces:

A) Craboxylic acids

B) Nitrates

C) Nitroalkanes

D) TNT

10 / 17

10) Benzoic acid is obtained by the oxidation of:

A) m-Xylene

B) Benzene

C) Toulene

D) p-Xylene

11 / 17

11) IUPAC name of Valeric acid is:

A) Pentanoic acid

B) Butanoic acid

C) Propanoic acid

D) Ethanoic acid

12 / 17

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

A) Microwaves

B) Radio waves

C) Ultraviolet

D) Visisble

13 / 17

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

A) NaCl

B) BaCl2

C) KCl

D) SiCl4

14 / 17

14) Full name of Bucky Balls is:

A) Buckminister Fullerenes

B) Buckminister Abbey

C) Buckminister Carbenes

D) Buckministerenes

15 / 17

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

A) CH3COOH

B) H2CO3

C) H2SO4

D) HNO3

16 / 17

16) Most abundant macro molecules on earth are:

A) Carbohydrates

B) Vitamins

C) Lipids

D) Olive oils

17 / 17

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

A) 80km above the earth

B) 5km abouve the earth

C) 100km above the earth

D) 28km above the earth

Your score is

FBISE Past Paper # 2017-2

278

FBISE- 2017-2-Objectives

Total 17 MCQs

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1 / 17

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

A) Naphthalene

B) Diphenylethane

C) Phenanthrene

D) Anthracene

2 / 17

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

A) Polarimetry

B) Mass spectrometry

C) IR spectroscopy

D) Chemical tests

3 / 17

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

A) E1 nad SN1

B) E1 nad E2

C) E1 nad SN2

D) E2 nad SN2

4 / 17

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

A) Copolymers

B) Addition polymers

C) Homoplymers

D) Linear polymers

5 / 17

5) Which of the following is a bidentate ligand?

A) Fluoro

B) Ammine

C) Oxalato

D) Cyano

6 / 17

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

A) Microwaves

B) Ultraviolet

C) Infrared

D) Radio waves

7 / 17

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

A) Formic acid

B) Benzoic acid

C) Picric acid

D) Acetic acid

8 / 17

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

A) Tollen's reagent

B) Grignard's reagent

C) Benedict's reagent

D) Fehling's reagent

9 / 17

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

A) Chromium(IV)

B) Nickel

C) Aluminium

D) Chromium(III)

10 / 17

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

A) Blue

B) White

C) Yellow

D) Black

11 / 17

11) Reaction of alkylhalides with Na metal yields:

A) Phenols

B) Alkenes

C) Alcohols

D) Alkanes

12 / 17

12) Prosthetic groups are:

A) Required by all enzymes

B) Proteins

C) Tightly bound to enzymes

D) Loosely attached with enzymes

13 / 17

13) All lipids are:

A) Hydrophilic

B) Homocyclic

C) Heterocyclic

D) Hydrophobic

14 / 17

14) Green is the characteristic flame colour of:

A) Calcium

B) Sodium

C) Barium

D) Stronsium

15 / 17

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

A) 2-Butyne

B) Ethyne

C) Propyne

D) 1-Butyne

16 / 17

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

A) Electrons

B) Neutrons

C) Protons

D) Nucleons

17 / 17

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

A) Esterification

B) Hydrolysis

C) Amonolysis

D) Saponification

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 of the following enzyme brings about the hydrolysis of fats?

A) Urease

B) Maltase

C) Invertase

D) Lipase

2 / 17

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

A) N,S,K

B) N,S,P

C) N,P,K

D) N,Ca, P

3 / 17

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

A) Zn

B) Fe

C) Mn

D) Cr

4 / 17

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

A) Restriction of valence shell of Fluorine to octet

B) high ionization energy of Fluorine

C) High electronegativity of Fluorine

D) small size of fluorine

5 / 17

5) Rectified spirit is convertred into absolute alcohol by:

A) re-distillation in presence of CaO

B) destructive distillation

C) Passing through charcoal

D) denaturing with methanol

6 / 17

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

A) secondary alcohol

B) 2-Methyl-2-butanol

C) 2-Methyl-3-butanol

D) 3-Methyl-3-butanol

7 / 17

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

A) Natron

B) Calcite

C) Dolomite

D) Gypsum

8 / 17

8) Iodoform test is used to distinguish:

A) ethanol from acetaldehyde

B) acetone from acetaldehyde

C) 3-hexanone from 3-pentanone

D) ethanol from methanol

9 / 17

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

A) Bio-gas

B) Laughing gas

C) Phosgene gas

D) Mustard gas

10 / 17

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

A) dsp2

B) sp3

C) sp2

D) sp

11 / 17

11) Laughing gas is chemically:

A) N2O

B) NO2

C) N2O5

D) NO

12 / 17

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

A) c

B) b

C) a

D) d

13 / 17

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

A) A ketone

B) A carboxylic acid

C) An aldehyde

D) An alcohol

14 / 17

14) The electrophile in aromatic sulphonation is:

A) H2SO3

B) SO3+

C) H2SO4

D) SO3

15 / 17

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

A) Na+ > Al +++ > Mg++

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

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

D) Na+ Al +++

16 / 17

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

A) c

B) d

C) a

D) b

17 / 17

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

A) Aluminium Nitrite

B) Aluminium Nitrate

C) Aluminium hydroxide

D) Aluminium oxide

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 is correct decreasing order of bond length of Halogens?

A) Br2>I2>Cl2>F2

B) I2>Br2>Cl2>F2

C) I2>cl2>Br2>F2

D) I2>Cl2>F2>Br2

2 / 17

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

A) 3

B) 2

C) 4

D) 1

3 / 17

3) The secondary structure of protein is stabilized by:

A) Peptide bond

B) Vander waal's forces

C) hydrogen bonds

D) dipole interactions

4 / 17

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

A) CO

B) NO2

C) CO2

D) SO2

5 / 17

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

A) CH3CO2CH3

B) HCO2H

C) H2CO3

D) C2H5CO2H

6 / 17

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

A) [Ar], 3d1, 4s2

B) [Ar], 3d3, 4s1

C) [Ar], 3d5, 4s1

D) [Ar], 3d4, 4s2

7 / 17

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

A) C2H5OH

B) CH3CH2OH

C) C6H6

D) CH3COOH

8 / 17

8) Acidic hydrogen is present in:

A) 2-Butyne

B) Propane

C) Propene

D) Propyne

9 / 17

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

A) Imines

B) Amines

C) Thiols

D) Alkenes

10 / 17

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

A) Azo dyes

B) nitro dyes

C) triaryl methane dyes

D) nitroso dyes

11 / 17

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

A) Carboxylic cid

B) Amide

C) Ester

D) Amine

12 / 17

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

A) Fructose

B) Galactose

C) Sucrose

D) Glucose

13 / 17

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

A) second ionization energy

B) Maximum oxidation number

C) Ionic radius

D) Electronegativity

14 / 17

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

A) Tollen's reagent

B) Benedict's reagent

C) Fehling's reagent

D) Grignard's reagent

15 / 17

15) Identify the most stable carbocation among the following:

A) b

B) a

C) d

D) c

16 / 17

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

A) CH2Cl COOH > CHCl2 COOH > CCl3 COOH

B) CHCl2 COOH > CCl3 COOH > CH2Cl COOH

C) CH2Cl COOH > CCl3 COOH > CHCl COOH

D) CCl3COOH > CHCl2 COOH > CH2Cl COOH

17 / 17

17) Infrared radiations are involved in:

A) mass spetcrometry

B) IR spectroscopy

C) UV spectroscopy

D) NMR spectroscopy

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) -CHO group in benzene is:

A) ortho and para directing

B) para directing

C) ortho directing

D) meta directing

2 / 17

2) Tincal is a mineral of:

A) Silicon

B) Carbon

C) Boron

D) Aluminium

3 / 17

3) The element Caesium resembles with:

A) Co

B) Cr

C) Sc

D) Ca

4 / 17

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

A) Mg > Sr

B) Li > Cs

C) Cl > I

D) Ba > Mg

5 / 17

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

A) SN1 & SN2

B) E2 & SN2

C) E1 & E2

D) E1 & SN1

6 / 17

6) Alcohol and ether show the phenomenon of:

A) cis-tran isomerism

B) metamerism

C) functional group isomerism

D) Position isomerism

7 / 17

7) Ketones are prepared by the oxidation of:

A) aldehydes

B) carboxylic acid

C) primary alcohol

D) secondary alcohol

8 / 17

8) Vinyl acetylene combines with HCl to form:

A) chloroprene

B) polyacetylene

C) divinylacetylene

D) Benzene

9 / 17

9) Acetamide is prepared by:

A) hydrolysis of methyl cayanide

B) heating ammonium acetate

C) heating ethyl acetate

D) heating methyl cayanide

10 / 17

10) The reaction between fat and NaOH is called:

A) fermentation

B) saponification

C) esterification

D) hydrogenation

11 / 17

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

A) Benedict's reagent

B) Tollen's reagent

C) Fehling's reagent

D) Grignard's reagent

12 / 17

12) Benzene can not undergo:

A) addition reaction

B) oxidation reaction

C) elimination reaction

D) substitution reaction

13 / 17

13) Laughing gas is chemically:

A) NO

B) N2O3

C) N2O

D) NO2

14 / 17

14) The anhydride of HClO4 is:

A) Cl2O7

B) Cl2O3

C) ClO2

D) Cl2O5

15 / 17

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

A) 2

B) 3

C) 4

D) 5

16 / 17

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

A) Mn

B) Cr

C) Zn

D) Fe

17 / 17

17) Aluminium oxide is:

A) either acidic or basic

B) amphoteric oxide

C) acidic oxide

D) Basic oxide

Your score is

FBISE Past Paper # 2018-1

FBISE-12th-2018-1-Objectives

Total 17 MCQs

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1 / 17

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

A) Thiols

B) Sulphones

C) Hydrogen sulphides

D) Sulphides

2 / 17

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

A) HSO4-1

B) SO3

C) H2SO4

D) SO2

3 / 17

3) Br-1 reduces H2SO4 to form:

A) SO2

B) H2S

C) S

D) SO3

4 / 17

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

A) PbO

B) Na2O

C) Cu2O

D) Ag2O

5 / 17

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

A) Triethylenediamminezinc(II)

B) Triethylenediamminezincate(II)

C) Trisethylenediamminezincate(II)

D) Trisethylenediamminezinc(II)

6 / 17

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

A) CH3OH

B) Ter-alcohol

C) sec-alcohol

D) Pri-alcohol

7 / 17

7) Nail polish remover is composed of:

A) Ethyl alcohol and ethyl acetate

B) Acetic acid and acetone

C) Acetone and ethyl acetate

D) Acetone and ethyl alcohol

8 / 17

8) The meta directing group among the following is:

A) -OH

B) -OCH3

C) -NH2

D) -COOH

9 / 17

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

A) 2-Propanol

B) Acetaldehyde

C) Acetone

D) 1-Propanol

10 / 17

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

A) NaBH4

B) Br2/KOH

C) Na/NH3(liq)

D) Sn/HCl

11 / 17

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

A) Aldehydes

B) Primary alcohols

C) sec-Alcohols

D) Ter-Alcohols

12 / 17

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

A) NaNO3

B) KNO3

C) LiNO3

D) RbNO3

13 / 17

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

A) 2,4-Dinitrophenylhydrazine

B) Iodoform

C) Hydroxyl amine

D) Tollnen's reagent

14 / 17

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

A) Maltose

B) Lactose

C) Galactose

D) Sucrose

15 / 17

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

A) UV spectroscopy

B) NMR spectroscopy

C) IR Spectroscopy

D) mass spetcrometry

16 / 17

16) The industrial smog contains smoke mixed with:

A) O3

B) SO3

C) SO2

D) CO2

17 / 17

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

A) A nucleophile

B) A base

C) A salt

D) An acid

Your score is

FBISE Past Paper # 2018-2

FBISE-12th-2018-2-Objectives

Total 17 MCQs

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1 / 17

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

A) Eyes

B) Lungs

C) Skin

D) Nose

2 / 17

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

A) Ethyl alcohol

B) Acetic acid

C) Acetaldehyde

D) Acetone

3 / 17

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

A) Ba

B) Ca

C) Be

D) Mg

4 / 17

4) Geometrical isomerism is shown by:

A) Lactic acid

B) 2-Butene

C) Tartaric acid

D) 1-Butene

5 / 17

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

A) CH3OH

B) Sec-alcohol

C) ter-alcohol

D) Pri-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) MnO4-

D) Cr2O7-2

7 / 17

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

A) O-H bond

B) C=O bond

C) C-H bond

D) N-H bond

8 / 17

8) 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

9 / 17

9) Which dye is used in boot polish?

A) Congo red

B) Bismark brown

C) Malachite green

D) Methyl orange

10 / 17

10) Acetamide can be prepared by heating:

A) Ethyl amine

B) Ammonium acetate

C) Nitro ethane

D) Ethyl nitrile

11 / 17

11) The MORE acidic compound among the following is:

A) H2CO3

B) C2H5OH

C) CH3COOH

D) C6H5OH

12 / 17

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

A) Ammonium Phospho Molybdate

B) Ammonium Molybdate

C) Ammonium Chloride

D) Ammonium Meta Vanadate

13 / 17

13) Acetal is produced when acetaldehyde reacts with:

A) A ketone

B) An ester

C) An alcohol

D) An ether

14 / 17

14) Sarette reagent is:

A) CrO3/NaOH

B) K2Cr2O7/H2SO4

C) KMnO4/H2SO4

D) CrO3/Pyridine

15 / 17

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

A) F-1

B) Br-1

C) Cl-1

D) I-1

16 / 17

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

A) 5

B) 6

C) 4

D) 3

17 / 17

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

A) Thymine

B) Cytocine

C) Adenine

D) Guanine

Your score is

FBISE Past Paper # 2018-S

FBISE-12th-2018-Supply-Objectives

Total 17 MCQs

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1 / 17

1) Mordants are salts of:

A) Lithium

B) Sodium

C) Titanium

D) Aluminium

2 / 17

2) Which of the following is a simple protein?

A) Proteans

B) Glycoproteins

C) Peptones

D) Histones

3 / 17

3) Which of the following is MOST stable cation?

A) Si+4

B) Sn+4

C) Pb+4

D) Ge+4

4 / 17

4) Malonic acid is a common name for:

A) Butanoic acid

B) Benzenedioic acid

C) Ethanedioic acid

D) Propanedioic acid

5 / 17

5) Molecular formula of Catechol is:

A) C6H4(NO2)2

B) C6H4(OH)(NO2)

C) C6H4(OH)2

D) C6H4(OH)(NO)

6 / 17

6) In C2H6SO2 functional group is:

A) Sulphoxide

B) Sulphide

C) Sulphone

D) Thiol

7 / 17

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

A) 2

B) 1

C) 3

D) 5

8 / 17

8) [Ti(H2O)6] is of ……………….. colour.

A) Yellow

B) Blue

C) Purple

D) Green

9 / 17

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

A) Polymerization of aldehydes

B) Condensation

C) Addition of hydrogen cyanide

D) Haloform

10 / 17

10) Composition of Brass is:

A) Zn and Sn

B) Cu and Sn

C) Ni, Cr and Fe

D) Cu and Zn

11 / 17

11) With which wavelength is green colour associated?

A) 435-480

B) 500-580

C) 580-595

D) Above 800

12 / 17

12) Stability order of simple alkyl carbocation is:

A) 3° > methyl > 2° > 1°

B) methyl > 3° > 2° > 1°

C) 3° > 2° > 1° > methyl

D) 3° < 2° < 1° < methyl

13 / 17

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

A) Acetone

B) Acetaldehyde

C) Ethanal

D) 3-Pentanone

14 / 17

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

A) HNO3

B) H2SO4

C) H3PO4

D) P4O10

15 / 17

15) Tartaric acid is obtained from:

A) Grapes

B) Wine

C) Sugar

D) Vinegar

16 / 17

16) Miticides are used to control:

A) Mice and bats

B) Fungi

C) Ticks and mites

D) Unwanted plants

17 / 17

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

A) Pt

B) Ni

C) V2O5

D) Fe

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

A) 2° amines

B) No reaction

C) 3° amines

D) 1° amines

2 / 17

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

A) Unpredictably

B) Does not rotate

C) Clock wise

D) Anti-clock wise

3 / 17

3) Which of the following elements form alloys?

A) Halogens

B) Alkali metals

C) Alkaline earth metals

D) Transition elements

4 / 17

4) Hydrogen bonding is maximum in:

A) Triethylamine

B) Methoxyethane

C) Ethanol

D) Ethanal

5 / 17

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

A) Flourene

B) Iodine

C) Chlorine

D) Bromine

6 / 17

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

A) Atmosphere

B) Hydrosphere

C) Lithosphere

D) Biosphere

7 / 17

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

A) Ni-Al

B) Ni-Ag

C) Ni-Cd

D) Ni-Cu

8 / 17

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

A) Ca(OH)2

B) Mg(OH)2

C) Sr(OH)2

D) Ba(OH)2

9 / 17

9) Which of the following is CORRECT?

A) SN2 and E2 are one step reactions

B) E1 and E2 are one step reactions

C) SN1 and E1 are one step reactions

D) SN1 and SN2 are one step reactions

10 / 17

10) Polyethylene is an example of:

A) Addition polymers

B) Biopolymers

C) Thermosetting polymers

D) Condensation polymers

11 / 17

11) Nucleic acids are the repeating units of:

A) Nucleotides

B) Nucleosides

C) Sugars

D) Basses

12 / 17

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

A) Ca-Cl

B) Na-Ca

C) Na-Cl

D) Cl-Br

13 / 17

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

A) 2.5 nm -16 nm

B) 0.8 nm -2.5 nm

C) 2.5 μm – 16 μm

D) 0.8 μm – 2.5 μm

14 / 17

14) The carbon atom in formaldehyde is:

A) sp hybridized

B) dsp2 hybridized

C) sp3 hybridized

D) sp2 hybridized

15 / 17

15) Acetic acid reacts with Na metal to form:

A) Salt + H2

B) Only salt

C) Salt +H2O

D) Salt + CO2

16 / 17

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

A) 25

B) 26

C) 24

D) 27

17 / 17

17) Pyridine is:

A) Carbocyclic aromatic componds

B) Carbocyclic aliphatic componds

C) Heterocyclic aliphatic componds

D) Heterocyclic aromatic componds

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

A) SrCO3

B) MgCO3

C) CaCO3

D) BaCO3

2 / 17

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

A) Green chemistry

B) Industrial chemistry

C) Biochemistry

D) Environmental Chemistry

3 / 17

3) The hydrolysis of triglycerides by alkalies is called:

A) Esterification

B) Chlorination

C) Saponification

D) Dehydration

4 / 17

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

A) Phenol

B) Nitrobenzene

C) Toulene

D) Aniline

5 / 17

5) Which of the following is NOT monohydric alcohol?

A) Ethanol

B) Glycol

C) Methanol

D) Isopropyl alcohol

6 / 17

6) 1,3-Dibromobutane is:

A) Vicinal dihalides

B) A halide

C) Geminal dihalides

D) A dihalides

7 / 17

7) Identify X in the following reaction:

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

A) Benzaldehyde

B) Formaldehyde

C) Acetone

D) Acetaldehyde

8 / 17

8) Good leaving group among the following is:

A) NH2-

B) RO-

C) H2O

D) OH-

9 / 17

9) 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 radicals

C) non radicals are formed from other non radicals

D) radicals are formed from non radicals

10 / 17

10) Which of the following is NOT a hydrocarbon?

A) Resorcinol

B) Durene

C) Cumene

D) Mesitylene

11 / 17

11) Which of the following is an amphoteric hydroxide?

A) NaOH

B) Si(OH)4

C) Mg(OH)2

D) Al(OH)3

12 / 17

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

A) 0

B) 2

C) 4

D) 3

13 / 17

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

A) Glue

B) Dye

C) Resins

D) Adhesives

14 / 17

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

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

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

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

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

15 / 17

15) Very high energy electron beams are used in :

A) IR Spectroscopy

B) mass spetcrometry

C) NMR spectroscopy

D) UV Spectroscopy

16 / 17

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

A) It is a recemic mixtute and optically inactive

B) It is a recemic mixtute and optically active

C) It is not a recemic mixtute and optically inactive

D) It is not a recemic mixtute and optically active

17 / 17

17) Indicate the MOST acidic carboxylic acid:

A) Chloroethanoic acid

B) Bromoethanoic acid

C) Ethanoic acid

D) Dichloroethanoic acid

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

A) a

B) c

C) d

D) b

2 / 17

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

A) S

B) H2SO4

C) H2S

D) SO2

3 / 17

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

A) Iodoform test

B) Lucas test

C) Aldol condensation

D) Cannizaro's reaction

4 / 17

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

A) SrC2

B) CaC2

C) Be2C

D) MgC2

5 / 17

5) Identify the compound which shows geometrical isomerism:

A) c

B) b

C) d

D) a

6 / 17

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

A) C=C bond

B) CN bond

C) C=O bond

D) O-H bond

7 / 17

7) Predict the product of the reaction:

A) b

B) c

C) a

D) d

8 / 17

8) 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

9 / 17

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

A) Ethylene glycol and phthalic acid

B) Hexamethylene diamine and adipic acid

C) Hexamethylene diamine and Phthalic acid

D) Ethylene glycol and adipic acid

10 / 17

10) Identify green house gases:

A) CH4 &O3

B) NO2 & H2O vapours

C) CO2 & H2O vapours

D) CH4 & O2

11 / 17

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

A) Cytocine

B) Uracil

C) Guanine

D) Thymine

12 / 17

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

A) dsp3

B) dsp2

C) d2sp3

D) sp3

13 / 17

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

A) CH3-NH2

B) CH3-CHO

C) CH3-CN

D) CH3-CO-NH2

14 / 17

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

A) Ethanol

B) Methanol

C) Formaldehyde

D) Acetaldehyde

15 / 17

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

A) Fe+3

B) Cu+1

C) Sc+3

D) Zn+2

16 / 17

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

A) -I

B) -OR

C) -OH

D) -NH2

17 / 17

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

A) -OCH3

B) -NH2

C) -SO3H

D) -OH

Your score is

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