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 # 2025-2nd Annual Objectives

FBISE-12th-2025-2nd Annual Objectives

Total 17 MCQs

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1 / 17

1) Which aldehyde will show aldol condensation?

A) Ethanal

B) Benzaldehyde

C) Formaldehyde

D) Propanal

2 / 17

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

A) Electrophilic substitution

B) SN2

C) Free radical substitution

D) SN1

3 / 17

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

A) Nitration

B) Fusion with NaOH

C) Hydrolysis of alkyl halides

D) Dehydrogenation

4 / 17

4) Beryllium hydroxide is classified as:

A) Basic

B) Acidic

C) Neutral

D) amphoteric

5 / 17

5) Which carboxylic acid derivative is least reactive?

A) Acyl Chloride

B) Amide

C) Acid anhydride

D) Ester

6 / 17

6) In SN1 reaction, the rate depends on:

A) Concentration of substrate

B) concentration of nucleophile

C) Pressure

D) concentration of catalyst

7 / 17

7) Titration is an example of:

A) Speculative analysis

B) Structural analysis

C) Quantitative analysis

D) Qualitative analysis

8 / 17

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

A) Rb

B) Na

C) K

D) Li

9 / 17

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

A) 50

B) 70

C) 60

D) 40

10 / 17

10) Which compound shows hydrogen bonding?

A) C2H5OH

B) CH3-O-CH3

C) C2H5Cl

D) C2H6

11 / 17

11) Which polymer is formed by condensation reaction?

A) Nylon

B) Polystyrene

C) PVC

D) Polyethylene

12 / 17

12) The building blocks of proteins are:

A) amino acids

B) Monosaccharides

C) Nucleotides

D) Fatty acids

13 / 17

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

A) Chromatography

B) Spectroscopy

C) Titration

D) Gravimetric analysis

14 / 17

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

A) Ar

B) Na

C) Cl

D) Mg

15 / 17

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

A) Ni

B) Cu

C) Fe

D) Pt

16 / 17

16) Which gas is mainly responsible for acid rain?

A) SO2

B) O2

C) CH4

D) N2

17 / 17

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

A) Oxidation

B) Aromatic stability

C) Instability

D) Addition reactions

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) Partial inhibition

C) Competitive inhibition

D) Non-Competitive inhibition

2 / 17

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

A) Ethanol

B) Propanol

C) 2-Methyl-2-Propanol

D) Methanol

3 / 17

3) Which of the following has lowest density?

A) Li

B) Rb

C) K

D) Na

4 / 17

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

A) Formaldehyde

B) Propanal

C) Acetone

D) Acetaldehyde

5 / 17

5) Ozone is being mainly destroyed by:

A) SO2

B) CO2

C) PAN

D) CFC's

6 / 17

6) Which statement is correct?

A) Na+ is bigger than Na atom

B) Cl- is smaller than Cl atom

C) Cl is smaller than Cl-

D) Na is smaller than P Atom

7 / 17

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

A) Ethanol

B) 2-Methyl-2-Propanol

C) 3-Hexanol

D) 2-Butanol

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) C6H16O10

B) C12H32O20

C) C15H40O25

D) C9H24O15

9 / 17

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

A) Only cations

B) Both cations and anions

C) Free radicals

D) Only anions

10 / 17

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

A) 2-Methyl-2-Bromo Propane

B) Chloro methane

C) Bromo ethane

D) 2-Chloro propane

11 / 17

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

A) Transpiration

B) Fermentation

C) Respiration

D) Metabolism

12 / 17

12) 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

13 / 17

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

A) 2 molecules of Formic acid

B) 2 molecules of acetic acid

C) 2 molecules of Butanoic acid

D) Formic acid , acetic acid

14 / 17

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

A) 3

B) 1

C) 4

D) 2

15 / 17

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

A) BeSO4

B) MgSO4

C) SrSO4

D) CaSO4

16 / 17

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

A) Linear

B) Octahedral

C) Square planar

D) Tetrahedral

17 / 17

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

A) CL-

B) I-

C) Br-

D) F-

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

A) Semi-permanent hair dye

B) Demi permanent hair dye

C) Permanent hair dye

D) Temporary hair dye

2 / 17

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

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

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

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

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

3 / 17

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

A) MgSO4

B) CaSO4

C) SrSO4

D) BeSO4

4 / 17

4) Ozone is being mainly destroyed by:

A) PAN

B) CFC's

C) CO2

D) SO3

5 / 17

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

A) 3

B) 2

C) 1

D) 4

6 / 17

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

A) 1-Propanol

B) 2-Butanol

C) 2-Methyl-2-Propanol

D) 2-Propanol

7 / 17

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

A) Competitive inhibition

B) Partial inhibition

C) Allosteric inhibition

D) Non-Competitive inhibition

8 / 17

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

A) 3-Pentanol

B) 2-Butanol

C) 2-Methyl-2-propanol

D) Ethanol

9 / 17

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

A) Primary alcohol

B) secondary alcohol

C) Tertiart alcohol

D) Esters

10 / 17

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

A) Only anions

B) Both cations and anions

C) Only cations

D) Free radicals

11 / 17

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

A) UV-VIS spectroscopy

B) NMR spectroscopy

C) Mass spectroscopy

D) IR spectroscopy

12 / 17

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

A) Methanal

B) Ethanal

C) 2-Methylpentanal

D) Acetone

13 / 17

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

A) Al

B) Na

C) Si

D) Mg

14 / 17

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

A) Propanol

B) Methanol

C) Ethanol

D) 2-Methyl-2-propanol

15 / 17

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

A) 3-Chloropentane

B) 2-Methyl-2-chloropropane

C) 2-Chloropropane

D) 1-Chloropropane

16 / 17

16) 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 Li is higher than K

C) Density of K is Lower than Na

D) Density of K is higher than Li

17 / 17

17) Identify the organic compound:

A) CO2

B) NH4CNO

C) NH2CONH2

D) CO

Your score is

FBISE Past Paper # 2016-1

987

FBISE- 2016-1-Objectives

Total 17 MCQs

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1 / 17

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

A) M+4 cation

B) M+ cation

C) M+3 cation

D) M+2 cation

2 / 17

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

A) Hydrocarbons

B) Hydrofluorocarbons

C) Perflourocarbons (PFCs)

D) CO2

3 / 17

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

A) Functional group isomers

B) Metamers

C) Positional isomers

D) Chain isomers

4 / 17

4) Reduction of alkyl nitriles gives:

A) Sec: amines

B) Alkanes

C) Primary amines

D) Alcohols

5 / 17

5) Pale green is a characteristic flame colour of:

A) Calcium

B) Sodium

C) Stronsium

D) Barium

6 / 17

6) The long chains of monosaccharides are called:

A) Carbohydrates

B) Vitamins

C) Proteins

D) OIls

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) The nitration of phenol at 25 degree centigrade produces:

A) O-Nitrophenol

B) Toulene

C) Phenol nitrate

D) Benzene

9 / 17

9) The IUPAC name of the given compound is:

A) Penta-3-ene-1-yne

B) Penta-3-ene-5-yne

C) Penta-2-ene-4-yne

D) Penta-4-ene-2-yne

10 / 17

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

A) Bromine

B) Fluorine

C) Iodine

D) Chlorine

11 / 17

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

A) Esters

B) Ethers

C) Carboxylic acids

D) Ketones

12 / 17

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

A) P4O10

B) Al2O3

C) SO3

D) Na2O

13 / 17

13) Double bond is formed as a result of:

A) Polymerization reaction

B) Elimination reaction

C) Addition reaction

D) Substitution reaction

14 / 17

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

A) Mass spectrometry

B) Ultraviolet

C) Infrared spectroscopy

D) Nuclear magnetic resonance spectroscopy

15 / 17

15) 3Ca + N2 → ?

A) Ca3N

B) CaN2

C) Ca3N2

D) Ca2N3

16 / 17

16) Group VIII elements are generally called:

A) Noble gases

B) Alkali metals

C) Halogens

D) Coinage elements

17 / 17

17) Acetone can be obtained by the oxidation of:

A) 2-Propanol

B) Ethanol

C) 1-Propanol

D) Propanal

Your score is

FBISE Past Paper # 2016-2

585

FBISE- 2016-2-Objectives

Total 17 MCQs

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1 / 17

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

A) Ethyne

B) 2-Butyne

C) Ethene

D) Ethane

2 / 17

2) Which acid can dissolve vitreous silica?

A) HNO3

B) HClO4

C) HF

D) HOF

3 / 17

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

A) Lu ? Ce

B) Ba ? Mg

C) Mg ? Sr

D) Cl ? I

4 / 17

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

A) Polyester

B) Nylon-6,6

C) Epoxyresin

D) Polystyrene

5 / 17

5) 1-Butene and 2-Butene are ……………………………isomers of each other.

A) Tautomeric

B) Chain isomers

C) Positional isomers

D) Functional group isomers

6 / 17

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

A) NO2

B) N2O5

C) NO

D) N2O3

7 / 17

7) Acetone can be prepared by dry distillation of:

A) Calcium acetate and calcium formate

B) Calcium oxalate

C) Calcium acetate

D) Calcium formate

8 / 17

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

A) Fe

B) Cl

C) Zn

D) S

9 / 17

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

A) Zn

B) Sn

C) Cu

D) Pb

10 / 17

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

A) Propanol

B) Propanoic acid

C) Propanal

D) Propane

11 / 17

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

A) -N(CH3)2

B) -NO2

C) -N+R3

D) -COR

12 / 17

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

A) Mustard gas

B) Phosgene gas

C) Laughing gas

D) Marsh gas

13 / 17

13) 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) CH3COOC2H5

C) CH3CHO

D) CH3COOH

14 / 17

14) 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

15 / 17

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

A) XeOF2

B) XeF6

C) XeF2

D) XeF4

16 / 17

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

A) Chlorofluoro carbons

B) Atomic chlorine

C) Atomic oxygen

D) Peroxy acetyl nitrate

17 / 17

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

A) Mg

B) Na

C) Ca

D) K

Your score is

FBISE Past Paper # 2016-3

417

FBISE- 2016-3-Objectives

Total 17 MCQs

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1 / 17

1) Isomers of a substance must have:

A) Same chemical properties

B) Same functional formula

C) Same molecular weight

D) Same structural formula

2 / 17

2) Isobutyric acid is also called:

A) 2,2-Dimethyl propan-dioic acid

B) 2-Methyl propanoic acid

C) Butanoic acid

D) Propan-dioic acid

3 / 17

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

A) Hydrogenation

B) Esterification

C) Neutralization

D) Saponification

4 / 17

4) Ecosystem is the smallest unit of:

A) Lithosphere

B) Biosphere

C) Atmosphere

D) Hydrosphere

5 / 17

5) The electrophile in aromatic sulphonation is :

A) SO3

B) SO4 -2

C) HSO4 –

D) H2SO4

6 / 17

6) Chose the mismatched pair from the following:

Polymer ————- Monomer

A) Starch—-Glucose

B) Protein——– Amio Acid

C) PVC——Phenyl chl;oride

D) Polyethene—-Ethene

7 / 17

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

A) Destructive distillation

B) Fractional distillation

C) Vacuum distillation

D) Steam distillation

8 / 17

8) CaO + SO3 → CaSO4

The above reaction is a type of :

A) Precipitation reaction

B) Redox reaction

C) Suplhonation reaction

D) Acid base reaction

9 / 17

9) Mass spectroscopy is used to determine:

A) Molecular formula

B) Alignment of nuclei in magnetic field

C) Molecular weight

D) Molecular structure

10 / 17

10) Cyclopropane is an example of:

A) Aromatic compounds

B) Heterocyclic compounds

C) Aliphatic compounds

D) Alicyclic compounds

11 / 17

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

A) +5

B) -1

C) +1

D) +2

12 / 17

12) Bronze is an alloy of :

A) Cu and Ca

B) Cu and Zn

C) Cu and Sn

D) Ni, Cr and Fe

13 / 17

13) Formaldehyde on reaction with methyl magnesium bromide produces:

A) 1-Propanol

B) Ethanol

C) Methanol

D) 2-Propanol

14 / 17

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

A) Acetaldehyde

B) Acetic acid

C) Ethylene glycol

D) Ethyl alcohol

15 / 17

15) Which one of the following oxides is acidic?

A) CO2

B) BeO

C) Al2O3

D) MgO

16 / 17

16) Benzene can undergo all the following reactions except:

A) Substitution

B) Oxidation

C) Addition

D) Elimination

17 / 17

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

A) HClO3

B) HClO

C) HClO2

D) HClO4

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 component of blood that carries oxygen in the body is:

A) Myoglobin

B) Hemoglobin

C) Fats

D) Amino acids

2 / 17

2) Sodalime is:

A) Na and Ca(OH)2

B) KOH

C) NaOH

D) NaOH and CaO

3 / 17

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

A) Violet

B) Green

C) Blue

D) Deep yellow

4 / 17

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

A) HF

B) HCl

C) HBr

D) HI

5 / 17

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

A) Propanol

B) Propene

C) Propane

D) Propyne

6 / 17

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

A) Na2CO3

B) Rb2CO3

C) LiCO3

D) K2CO3

7 / 17

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

A) MgO

B) SnO2

C) CO2

D) BeO

8 / 17

8) The electrophile in aromatic sulphonation is:

A) HSO4 –

B) SO4 -2

C) H2SO4

D) SO3

9 / 17

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

A) Pink

B) Colourless

C) Blue

D) Bright yellow

10 / 17

10) Geometrical isomerism is shown by:

A) 1-Butene

B) Maleic acid

C) Lactic acid

D) 1,1-Dichloroethylene

11 / 17

11) 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

12 / 17

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

A) CH2=CH2

B) HCHO

C) CH3CHO

D) CH3OH

13 / 17

13) SN2 reaction can be best carried out with:

A) Normal alkyl halide

B) Primary alkyl halide

C) Secondary alkyl halide

D) Tertiary alkyl halide

14 / 17

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

A) Ethyl acetate

B) Acetic acid

C) Acetyl chloride

D) Acetamide

15 / 17

15) Which of the following gases is not pollutant?

A) SO2

B) CO2

C) CO

D) NO2

16 / 17

16) Cannizaro’s reaction is not given by:

A) Formaldehyde

B) Trimethyl acetaldehyde

C) Benzaldehyde

D) Acetaldehyde

17 / 17

17) 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) Phenol turns blue litmus paper red

D) Alcohol liberates CO2 with carbonate solution

Your score is

FBISE Past Paper # 2016-S2

264

FBISE- 2016-Supply-2-Objectives

Total 17 MCQs

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1 / 17

1) Aldehydes are prepared by:

A) Reduction of ester

B) Reduction of alcohol

C) Oxidation of alcohol

D) Reduction of ketone

2 / 17

2) Vinyl acetylene combines with concentrated HCl to form:

A) Divinyl acetylene

B) Benzene

C) Polyacetylene

D) Chloroprene

3 / 17

3) The element NOT present in all proteins is:

A) Nitrogen

B) Hydrpgen

C) Crabon

D) Sulphur

4 / 17

4) Tollen’s test is given by:

A) Acetic acid

B) Methyl acetate

C) Acetaldehyde

D) Acetone

5 / 17

5) Central carbon atom in tertiary butyl alcohol is:

A) sp2-hybridized

B) sp3-hybridized

C) sp-hybridized

D) dsp2-hybridized

6 / 17

6) The element belongs to group-IVA is:

A) Barium

B) Nitrogen

C) Lead

D) Oxygen

7 / 17

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

A) Acetic anhydride

B) Acetamide

C) Ethyl acetate

D) Acetyl chloride

8 / 17

8) Electron affinity is a measure of:

A) Energy released during addition of electron

B) Energy required to excite electron

C) Energy required to remove electron

D) Energy released during de-excitation of electron

9 / 17

9) According to Lewis concept, ethers behave as:

A) Oxidizing agent

B) Amphoteric compound

C) Base

D) Acid

10 / 17

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

A) H2/Ni

B) LiAlH4

C) K2Cr2O7/H2SO4

D) H2/Pt

11 / 17

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

A) H2S

B) NH3

C) H2O

D) BF3

12 / 17

12) Which one of the sulphate is water soluble?

A) Strontium sulphate

B) Lead sulphate

C) Barium sulphate

D) Magnesium sulphate

13 / 17

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

A) Hydrogenolysis

B) Fermentation

C) Esterification

D) Saponification

14 / 17

14) The catalyst used in contact chamber process is:

A) Vanadium pentaoxide

B) Silver oxide

C) Sulphur trioxide

D) Ferric oxide

15 / 17

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

A) NO2+

B) HNO3

C) NO3-

D) NO2-

16 / 17

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

A) HClO

B) HClO3

C) HClO4

D) HClO2

17 / 17

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

A) 6

B) 4

C) 1

D) 2

Your score is

FBISE Past Paper # 2017-1

283

FBISE- 2017-1-Objectives

Total 17 MCQs

Evaluate your concepts

Boost your confidence for final board exams

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1 / 17

1) Benzoic acid is obtained by the oxidation of:

A) Benzene

B) p-Xylene

C) Toulene

D) m-Xylene

2 / 17

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

A) SiCl4

B) BaCl2

C) KCl

D) NaCl

3 / 17

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

A) HNO3

B) H2SO4

C) H2CO3

D) CH3COOH

4 / 17

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

A) Radio waves

B) Visisble

C) Microwaves

D) Ultraviolet

5 / 17

5) IUPAC name of Valeric acid is:

A) Ethanoic acid

B) Butanoic acid

C) Propanoic acid

D) Pentanoic acid

6 / 17

6) Most abundant macro molecules on earth are:

A) Lipids

B) Carbohydrates

C) Vitamins

D) Olive oils

7 / 17

7) Petrochemicals are classified into how many classes?

A) Two

B) One

C) Four

D) Three

8 / 17

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

A) RI

B) RBr

C) RF

D) RCl

9 / 17

9) Hydrolysis of nitriles produces:

A) Craboxylic acids

B) Nitroalkanes

C) Nitrates

D) TNT

10 / 17

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

A) 1-Propanol

B) 2-Propanol

C) 2-Methyl-2-Propanol

D) 3-Propanol

11 / 17

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

A) Ethanal

B) Ester

C) Ether

D) Ethanol

12 / 17

12) Full name of Bucky Balls is:

A) Buckminister Carbenes

B) Buckminister Abbey

C) Buckministerenes

D) Buckminister Fullerenes

13 / 17

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

A) Benzaldehyde

B) Formaldehyde

C) Acetaldehyde

D) Trimethylacetaldehyde

14 / 17

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

A) Calcium

B) Zinc

C) Sodium

D) Potassium

15 / 17

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

A) V2O5

B) Fe2O3

C) Mn2O3

D) P2O5

16 / 17

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

A) Green

B) Red

C) White

D) Black

17 / 17

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

A) 5km abouve the earth

B) 100km above the earth

C) 28km above the earth

D) 80km above the earth

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) Green is the characteristic flame colour of:

A) Calcium

B) Sodium

C) Stronsium

D) Barium

2 / 17

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

A) Nickel

B) Aluminium

C) Chromium(IV)

D) Chromium(III)

3 / 17

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

A) Chemical tests

B) IR spectroscopy

C) Mass spectrometry

D) Polarimetry

4 / 17

4) Which of the following is a bidentate ligand?

A) Fluoro

B) Cyano

C) Ammine

D) Oxalato

5 / 17

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

A) White

B) Blue

C) Black

D) Yellow

6 / 17

6) All lipids are:

A) Homocyclic

B) Hydrophobic

C) Hydrophilic

D) Heterocyclic

7 / 17

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

A) Ultraviolet

B) Infrared

C) Microwaves

D) Radio waves

8 / 17

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

A) Grignard's reagent

B) Tollen's reagent

C) Benedict's reagent

D) Fehling's reagent

9 / 17

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

A) Esterification

B) Hydrolysis

C) Saponification

D) Amonolysis

10 / 17

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

A) 2-Butyne

B) Propyne

C) 1-Butyne

D) Ethyne

11 / 17

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

A) E2 nad SN2

B) E1 nad SN1

C) E1 nad SN2

D) E1 nad E2

12 / 17

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

A) Picric acid

B) Benzoic acid

C) Acetic acid

D) Formic acid

13 / 17

13) Reaction of alkylhalides with Na metal yields:

A) Alkanes

B) Alcohols

C) Alkenes

D) Phenols

14 / 17

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

A) Electrons

B) Nucleons

C) Protons

D) Neutrons

15 / 17

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

A) Diphenylethane

B) Anthracene

C) Naphthalene

D) Phenanthrene

16 / 17

16) Prosthetic groups are:

A) Required by all enzymes

B) Loosely attached with enzymes

C) Tightly bound to enzymes

D) Proteins

17 / 17

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

A) Linear polymers

B) Addition polymers

C) Copolymers

D) Homoplymers

Your score is

FBISE Past Paper # 2017-3

158

FBISE-12th-2017-3-Objectives

Total 17 MCQs

Evaluate your concepts

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1 / 17

1) Rectified spirit is convertred into absolute alcohol by:

A) re-distillation in presence of CaO

B) denaturing with methanol

C) destructive distillation

D) Passing through charcoal

2 / 17

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

A) Cr

B) Zn

C) Fe

D) Mn

3 / 17

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

A) 2-Methyl-3-butanol

B) 2-Methyl-2-butanol

C) secondary alcohol

D) 3-Methyl-3-butanol

4 / 17

4) The electrophile in aromatic sulphonation is:

A) H2SO3

B) H2SO4

C) SO3+

D) SO3

5 / 17

5) Iodoform test is used to distinguish:

A) acetone from acetaldehyde

B) ethanol from methanol

C) ethanol from acetaldehyde

D) 3-hexanone from 3-pentanone

6 / 17

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

A) c

B) d

C) a

D) b

7 / 17

7) 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

8 / 17

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

A) Bio-gas

B) Phosgene gas

C) Mustard gas

D) Laughing gas

9 / 17

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

A) Aluminium hydroxide

B) Aluminium oxide

C) Aluminium Nitrite

D) Aluminium Nitrate

10 / 17

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

A) Gypsum

B) Natron

C) Calcite

D) Dolomite

11 / 17

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

A) Lipase

B) Urease

C) Maltase

D) Invertase

12 / 17

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

A) a

B) b

C) d

D) c

13 / 17

13) Laughing gas is chemically:

A) NO2

B) N2O

C) NO

D) N2O5

14 / 17

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

A) A ketone

B) An alcohol

C) A carboxylic acid

D) An aldehyde

15 / 17

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

A) sp3

B) sp2

C) dsp2

D) sp

16 / 17

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

A) Na+ Al +++

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

C) Na+ > Al +++ > Mg++

D) Al +++ < Mg++ <Na+

17 / 17

17) 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) high ionization energy of Fluorine

D) small size of fluorine

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) Acidic hydrogen is present in:

A) Propane

B) Propene

C) 2-Butyne

D) Propyne

2 / 17

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

A) I2>Cl2>F2>Br2

B) I2>Br2>Cl2>F2

C) Br2>I2>Cl2>F2

D) I2>cl2>Br2>F2

3 / 17

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

A) Fructose

B) Glucose

C) Sucrose

D) Galactose

4 / 17

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

A) [Ar], 3d5, 4s1

B) [Ar], 3d3, 4s1

C) [Ar], 3d4, 4s2

D) [Ar], 3d1, 4s2

5 / 17

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

A) Maximum oxidation number

B) Ionic radius

C) second ionization energy

D) Electronegativity

6 / 17

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

A) C2H5OH

B) C6H6

C) CH3COOH

D) CH3CH2OH

7 / 17

7) Infrared radiations are involved in:

A) UV spectroscopy

B) mass spetcrometry

C) NMR spectroscopy

D) IR spectroscopy

8 / 17

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

A) Thiols

B) Amines

C) Imines

D) Alkenes

9 / 17

9) Identify the most stable carbocation among the following:

A) c

B) d

C) b

D) a

10 / 17

10) 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

11 / 17

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

A) 4

B) 1

C) 3

D) 2

12 / 17

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

A) H2CO3

B) HCO2H

C) CH3CO2CH3

D) C2H5CO2H

13 / 17

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

A) nitro dyes

B) Azo dyes

C) triaryl methane dyes

D) nitroso dyes

14 / 17

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

A) CO2

B) NO2

C) CO

D) SO2

15 / 17

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

A) Amine

B) Ester

C) Amide

D) Carboxylic cid

16 / 17

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

A) Tollen's reagent

B) Fehling's reagent

C) Benedict's reagent

D) Grignard's reagent

17 / 17

17) The secondary structure of protein is stabilized by:

A) hydrogen bonds

B) Vander waal's forces

C) dipole interactions

D) Peptide bond

Your score is

FBISE Past Paper # 2017-S2

184

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

Total 17 MCQs

Evaluate your concepts

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1 / 17

1) -CHO group in benzene is:

A) ortho and para directing

B) ortho directing

C) para directing

D) meta directing

2 / 17

2) Vinyl acetylene combines with HCl to form:

A) divinylacetylene

B) chloroprene

C) Benzene

D) polyacetylene

3 / 17

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

A) Tollen's reagent

B) Benedict's reagent

C) Fehling's reagent

D) Grignard's reagent

4 / 17

4) Benzene can not undergo:

A) substitution reaction

B) elimination reaction

C) oxidation reaction

D) addition reaction

5 / 17

5) The reaction between fat and NaOH is called:

A) hydrogenation

B) fermentation

C) saponification

D) esterification

6 / 17

6) Acetamide is prepared by:

A) heating methyl cayanide

B) heating ethyl acetate

C) heating ammonium acetate

D) hydrolysis of methyl cayanide

7 / 17

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

A) Zn

B) Fe

C) Mn

D) Cr

8 / 17

8) Ketones are prepared by the oxidation of:

A) carboxylic acid

B) primary alcohol

C) secondary alcohol

D) aldehydes

9 / 17

9) The element Caesium resembles with:

A) Co

B) Cr

C) Sc

D) Ca

10 / 17

10) Tincal is a mineral of:

A) Boron

B) Carbon

C) Aluminium

D) Silicon

11 / 17

11) Aluminium oxide is:

A) acidic oxide

B) either acidic or basic

C) amphoteric oxide

D) Basic oxide

12 / 17

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

A) Mg > Sr

B) Cl > I

C) Li > Cs

D) Ba > Mg

13 / 17

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

A) E1 & E2

B) SN1 & SN2

C) E2 & SN2

D) E1 & SN1

14 / 17

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

A) 5

B) 4

C) 3

D) 2

15 / 17

15) The anhydride of HClO4 is:

A) Cl2O7

B) Cl2O3

C) ClO2

D) Cl2O5

16 / 17

16) Alcohol and ether show the phenomenon of:

A) cis-tran isomerism

B) metamerism

C) Position isomerism

D) functional group isomerism

17 / 17

17) Laughing gas is chemically:

A) N2O

B) NO2

C) NO

D) N2O3

Your score is

FBISE Past Paper # 2018-1

FBISE-12th-2018-1-Objectives

Total 17 MCQs

Evaluate your concepts

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1 / 17

1) Nail polish remover is composed of:

A) Acetone and ethyl alcohol

B) Ethyl alcohol and ethyl acetate

C) Acetone and ethyl acetate

D) Acetic acid and acetone

2 / 17

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

A) mass spetcrometry

B) UV spectroscopy

C) NMR spectroscopy

D) IR Spectroscopy

3 / 17

3) 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

4 / 17

4) The industrial smog contains smoke mixed with:

A) SO2

B) CO2

C) O3

D) SO3

5 / 17

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

A) RbNO3

B) KNO3

C) LiNO3

D) NaNO3

6 / 17

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

A) Ag2O

B) Cu2O

C) PbO

D) Na2O

7 / 17

7) Br-1 reduces H2SO4 to form:

A) SO2

B) H2S

C) S

D) SO3

8 / 17

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

A) Acetaldehyde

B) 1-Propanol

C) 2-Propanol

D) Acetone

9 / 17

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

A) SO2

B) HSO4-1

C) SO3

D) H2SO4

10 / 17

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

A) Triethylenediamminezincate(II)

B) Triethylenediamminezinc(II)

C) Trisethylenediamminezinc(II)

D) Trisethylenediamminezincate(II)

11 / 17

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

A) sec-Alcohols

B) Aldehydes

C) Ter-Alcohols

D) Primary alcohols

12 / 17

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

A) Sn/HCl

B) NaBH4

C) Na/NH3(liq)

D) Br2/KOH

13 / 17

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

A) 2,4-Dinitrophenylhydrazine

B) Tollnen's reagent

C) Hydroxyl amine

D) Iodoform

14 / 17

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

A) Sulphones

B) Sulphides

C) Hydrogen sulphides

D) Thiols

15 / 17

15) The meta directing group among the following is:

A) -NH2

B) -OCH3

C) -OH

D) -COOH

16 / 17

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

A) Ter-alcohol

B) CH3OH

C) sec-alcohol

D) Pri-alcohol

17 / 17

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

A) Galactose

B) Maltose

C) Sucrose

D) Lactose

Your score is

FBISE Past Paper # 2018-2

FBISE-12th-2018-2-Objectives

Total 17 MCQs

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1 / 17

1) Acetal is produced when acetaldehyde reacts with:

A) An ether

B) A ketone

C) An alcohol

D) An ester

2 / 17

2) Acetamide can be prepared by heating:

A) Ammonium acetate

B) Nitro ethane

C) Ethyl amine

D) Ethyl nitrile

3 / 17

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

A) Guanine

B) Thymine

C) Adenine

D) Cytocine

4 / 17

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

A) Sec-alcohol

B) ter-alcohol

C) Pri-alcohol

D) CH3OH

5 / 17

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

A) I-1

B) Cl-1

C) Br-1

D) F-1

6 / 17

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

A) 3

B) 6

C) 5

D) 4

7 / 17

7) Geometrical isomerism is shown by:

A) Tartaric acid

B) 2-Butene

C) Lactic acid

D) 1-Butene

8 / 17

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

A) Sn+4 > Pb +4

B) Ge+4 > Ge+2

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) Methyl orange

D) Malachite green

10 / 17

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

A) Eyes

B) Skin

C) Nose

D) Lungs

11 / 17

11) Sarette reagent is:

A) KMnO4/H2SO4

B) K2Cr2O7/H2SO4

C) CrO3/Pyridine

D) CrO3/NaOH

12 / 17

12) The MORE acidic compound among the following is:

A) C2H5OH

B) H2CO3

C) CH3COOH

D) C6H5OH

13 / 17

13) 2,3-Dimethyl-2-butene on reaction with O3/H2O gives:

A) Acetic acid

B) Acetone

C) Ethyl alcohol

D) Acetaldehyde

14 / 17

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

A) Ba

B) Mg

C) Be

D) Ca

15 / 17

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

A) Ammonium Molybdate

B) Ammonium Meta Vanadate

C) Ammonium Chloride

D) Ammonium Phospho Molybdate

16 / 17

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

A) CrO4-2

B) Cr2O7-2

C) MnO4-

D) SCN-1

17 / 17

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

A) N-H bond

B) C=O bond

C) C-H bond

D) O-H bond

Your score is

FBISE Past Paper # 2018-S

FBISE-12th-2018-Supply-Objectives

Total 17 MCQs

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1 / 17

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

A) Ni

B) Pt

C) V2O5

D) Fe

2 / 17

2) Mordants are salts of:

A) Lithium

B) Titanium

C) Aluminium

D) Sodium

3 / 17

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

A) 3

B) 5

C) 1

D) 2

4 / 17

4) [Ti(H2O)6] is of ……………….. colour.

A) Green

B) Yellow

C) Blue

D) Purple

5 / 17

5) Miticides are used to control:

A) Unwanted plants

B) Fungi

C) Ticks and mites

D) Mice and bats

6 / 17

6) Molecular formula of Catechol is:

A) C6H4(OH)2

B) C6H4(OH)(NO)

C) C6H4(NO2)2

D) C6H4(OH)(NO2)

7 / 17

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

A) H3PO4

B) P4O10

C) H2SO4

D) HNO3

8 / 17

8) Which of the following is MOST stable cation?

A) Ge+4

B) Sn+4

C) Pb+4

D) Si+4

9 / 17

9) Tartaric acid is obtained from:

A) Sugar

B) Wine

C) Vinegar

D) Grapes

10 / 17

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

A) Ethanal

B) 3-Pentanone

C) Acetaldehyde

D) Acetone

11 / 17

11) 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

12 / 17

12) Which of the following is a simple protein?

A) Glycoproteins

B) Peptones

C) Histones

D) Proteans

13 / 17

13) Composition of Brass is:

A) Zn and Sn

B) Cu and Zn

C) Ni, Cr and Fe

D) Cu and Sn

14 / 17

14) In C2H6SO2 functional group is:

A) Sulphoxide

B) Sulphone

C) Thiol

D) Sulphide

15 / 17

15) Malonic acid is a common name for:

A) Benzenedioic acid

B) Propanedioic acid

C) Butanoic acid

D) Ethanedioic acid

16 / 17

16) With which wavelength is green colour associated?

A) 435-480

B) 580-595

C) 500-580

D) Above 800

17 / 17

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

A) Polymerization of aldehydes

B) Addition of hydrogen cyanide

C) Condensation

D) Haloform

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) Acetic acid reacts with Na metal to form:

A) Only salt

B) Salt +H2O

C) Salt + H2

D) Salt + CO2

2 / 17

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

A) Na-Ca

B) Cl-Br

C) Na-Cl

D) Ca-Cl

3 / 17

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

A) 2° amines

B) 1° amines

C) 3° amines

D) No reaction

4 / 17

4) Which of the following elements form alloys?

A) Alkali metals

B) Transition elements

C) Halogens

D) Alkaline earth metals

5 / 17

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

A) Clock wise

B) Unpredictably

C) Anti-clock wise

D) Does not rotate

6 / 17

6) The carbon atom in formaldehyde is:

A) dsp2 hybridized

B) sp hybridized

C) sp3 hybridized

D) sp2 hybridized

7 / 17

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

A) Ni-Ag

B) Ni-Cu

C) Ni-Al

D) Ni-Cd

8 / 17

8) Which of the following is CORRECT?

A) SN1 and E1 are one step reactions

B) E1 and E2 are one step reactions

C) SN2 and E2 are one step reactions

D) SN1 and SN2 are one step reactions

9 / 17

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

A) 24

B) 25

C) 26

D) 27

10 / 17

10) Pyridine is:

A) Heterocyclic aliphatic componds

B) Heterocyclic aromatic componds

C) Carbocyclic aromatic componds

D) Carbocyclic aliphatic componds

11 / 17

11) Nucleic acids are the repeating units of:

A) Basses

B) Nucleotides

C) Sugars

D) Nucleosides

12 / 17

12) Hydrogen bonding is maximum in:

A) Methoxyethane

B) Ethanol

C) Ethanal

D) Triethylamine

13 / 17

13) Polyethylene is an example of:

A) Thermosetting polymers

B) Biopolymers

C) Condensation polymers

D) Addition polymers

14 / 17

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

A) Mg(OH)2

B) Ca(OH)2

C) Ba(OH)2

D) Sr(OH)2

15 / 17

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

A) Flourene

B) Bromine

C) Iodine

D) Chlorine

16 / 17

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

A) Atmosphere

B) Lithosphere

C) Hydrosphere

D) Biosphere

17 / 17

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

A) 2.5 μm – 16 μm

B) 2.5 nm -16 nm

C) 0.8 nm -2.5 nm

D) 0.8 μm – 2.5 μm

Your score is

FBISE Past Paper # 2019-2

FBISE-12th-2019-2-Objectives

Total 17 MCQs

Evaluate your concepts

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1 / 17

1) Which of the following is NOT monohydric alcohol?

A) Isopropyl alcohol

B) Methanol

C) Glycol

D) Ethanol

2 / 17

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

A) Green chemistry

B) Biochemistry

C) Environmental Chemistry

D) Industrial chemistry

3 / 17

3) Which of the following is NOT a hydrocarbon?

A) Cumene

B) Durene

C) Mesitylene

D) Resorcinol

4 / 17

4) 1,3-Dibromobutane is:

A) Geminal dihalides

B) A dihalides

C) Vicinal dihalides

D) A halide

5 / 17

5) The hydrolysis of triglycerides by alkalies is called:

A) Chlorination

B) Dehydration

C) Saponification

D) Esterification

6 / 17

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

A) MgCO3

B) CaCO3

C) BaCO3

D) SrCO3

7 / 17

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

A) 2

B) 0

C) 4

D) 3

8 / 17

8) 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

9 / 17

9) Very high energy electron beams are used in :

A) NMR spectroscopy

B) UV Spectroscopy

C) mass spetcrometry

D) IR Spectroscopy

10 / 17

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

A) Resins

B) Adhesives

C) Glue

D) Dye

11 / 17

11) Indicate the MOST acidic carboxylic acid:

A) Dichloroethanoic acid

B) Ethanoic acid

C) Bromoethanoic acid

D) Chloroethanoic acid

12 / 17

12) Which of the following is an amphoteric hydroxide?

A) Mg(OH)2

B) Si(OH)4

C) NaOH

D) Al(OH)3

13 / 17

13) Good leaving group among the following is:

A) H2O

B) OH-

C) NH2-

D) RO-

14 / 17

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

A) Toulene

B) Nitrobenzene

C) Phenol

D) Aniline

15 / 17

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

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

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

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

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

16 / 17

16) Identify X in the following reaction:

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

A) Acetone

B) Formaldehyde

C) Benzaldehyde

D) Acetaldehyde

17 / 17

17) 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

Your score is

FBISE Past Paper # 2022-Hard Area Objectives

FBISE-12th-2022-Hard Area Objectives

Total 17 MCQs

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1 / 17

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

A) -NH2

B) -OH

C) -I

D) -OR

2 / 17

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

A) dsp3

B) dsp2

C) d2sp3

D) sp3

3 / 17

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

A) Ethanol

B) Acetaldehyde

C) Methanol

D) Formaldehyde

4 / 17

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

A) Aldol condensation

B) Cannizaro's reaction

C) Lucas test

D) Iodoform test

5 / 17

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

A) Fe+3

B) Sc+3

C) Zn+2

D) Cu+1

6 / 17

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

A) d

B) c

C) b

D) a

7 / 17

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

A) CN bond

B) C=C bond

C) C=O bond

D) O-H bond

8 / 17

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

A) SrC2

B) CaC2

C) Be2C

D) MgC2

9 / 17

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

A) Hexamethylene diamine and Phthalic acid

B) Ethylene glycol and phthalic acid

C) Hexamethylene diamine and adipic acid

D) Ethylene glycol and adipic acid

10 / 17

10) Identify the compound which shows geometrical isomerism:

A) d

B) c

C) a

D) b

11 / 17

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

A) CH3-CO-NH2

B) CH3-NH2

C) CH3-CN

D) CH3-CHO

12 / 17

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

A) Thymine

B) Guanine

C) Uracil

D) Cytocine

13 / 17

13) Predict the product of the reaction:

A) b

B) c

C) d

D) a

14 / 17

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

A) H2SO4

B) H2S

C) SO2

D) S

15 / 17

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

A) carbon monoxide, methane . hydrogen gas

B) phenol, coke, hydrogen gas

C) Coke, coal tar, coal gas

D) methane, coal, coal tar

16 / 17

16) Identify green house gases:

A) CH4 &O3

B) CO2 & H2O vapours

C) CH4 & O2

D) NO2 & H2O vapours

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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