Chemistry MCQs

Option A: Density

Option B: Specific gravity

Option C: Fluidity

Option D: Absorbance

Correct Answer: Fluidity ✔

Option A: Zygology

Option B: Zymology

Option C: Zymurgy

Option D: Zootaxy

Correct Answer: Zymology ✔

Option A: Zygology

Option B: Zymology

Option C: Zymurgy

Option D: Zootaxy

Correct Answer: Zymurgy ✔

Option A: 63.012 g/mol

Option B: 65.012 g/mol

Option C: 70.012 g/mol

Option D: 81.011 g/mol

Correct Answer: 63.012 g/mol ✔

Option A: HNO2

Option B: HNO3

Option C: HN2O2

Option D: H2NO4

Correct Answer: HNO3 ✔

Option A: It does not carry any charge

Option B: It does not move

Option C: It is a fundamental particle

Option D: It is present in nucleus

Correct Answer: It does not carry any charge ✔

Option A: J.J.Thomson

Option B: Chadwick

Option C: Rutherford

Option D: Robert Millikan

Correct Answer: Robert Millikan ✔

Option A: 17.031 g/mol

Option B: 18.031 g/mol

Option C: 19.031 g/mol

Option D: 27.033 g/mol

Correct Answer: 17.031 g/mol ✔

Option A: Nucleon numbera

Option B: Mass number

Option C: Atomic number

Option D: Both A and B

Correct Answer: Both A and B ✔

Option A: Sharing of electrons

Option B: Transfer of electrons

Option C: Losing of electrons

Option D: Gain of electrons

Correct Answer: Sharing of electrons ✔

Option A: Zeolites

Option B: Sulphonides

Option C: Lime

Option D: Nitrates

Correct Answer: Zeolites ✔

Option A: Zn(OH)2

Option B: ZNO2

Option C: Zn2(OH)3

Option D: ZnOH

Correct Answer: Zn(OH)2 ✔

Option A: 1

Option B: 2

Option C: 3

Option D: 4

Correct Answer: 4 ✔

Option A: Graham’s Law

Option B: Gay-Lussac’s law

Option C: Boyle’s law

Option D: None of these

Correct Answer: A. Graham’s Law ✔

Option A: Charles’ Law

Option B: Avogadro’s Law

Option C: Graham’s Law

Option D: Boyle’s law

Correct Answer: A. Charles’ Law ✔

Option A: Boyle’s law

Option B: Charles’ law

Option C: Gay-Lussac’s law

Option D: Avogadro’s law

Correct Answer: D. Avogadro’s law ✔

Option A: Neon

Option B: Helium

Option C: Argon

Option D: Methane

Correct Answer: Argon ✔

Option A: Argon

Option B: Helium

Option C: Radon

Option D: Xenon

Correct Answer: Radon ✔

Option A: according to atom’s atomic number.

Option B: According to atom’s atomic mass.

Option C: First we balance Metal than non-metal than Hydrogen than Oxygen.

Option D: None of the above

Correct Answer: First we balance Metal than non-metal than Hydrogen than Oxygen. ✔

Option A: 3-Hydroxy propanoic acid

Option B: 2-Hydroxy propanoic acid

Option C: 2-hydroxy butanoic acid

Option D: 3-hydroxy butanoic acid

Correct Answer: 2-Hydroxy propanoic acid ✔

Option A: aldehydes

Option B: ketones

Option C: alcohols

Option D: carboxylic acid

Correct Answer: alcohols ✔

Option A: ethylene glycol

Option B: glycerol

Option C: picric acid

Option D: ethyl acetate

Correct Answer: ethyl acetate ✔

Option A: alkyl halides

Option B: alkyl amine

Option C: alkanes

Option D: alkynes

Correct Answer: alkyl halides ✔

Option A: CH3OH

Option B: C3H7OH

Option C: CH3 – CH2 – OH

Option D: C6H5OH

Correct Answer: C. CH3 – CH2 – OH ✔

Option A: As a solvent

Option B: As an antifreezing agent

Option C: As a substitute for petrol

Option D: For denaturing of ethyl alcohol

Correct Answer: As a substitute for petrol ✔

Option A: C2H6

Option B: C2H5Cl

Option C: CH3OCH3

Option D: C2H5OH

Correct Answer: C2H5OH ✔

Option A: Picric acid

Option B: o-nitrophenol

Option C: 1 3 5 -trinitro benzene

Option D: p-nitrophenol

Correct Answer: Picric acid ✔

Option A: Alcohol

Option B: Acetic acid

Option C: Water

Option D: Phenol

Correct Answer: Phenol ✔

Option A: Cone. HCI and anhydrous SOCl2

Option B: Cone. HCI and anhydrous CaCl2

Option C: Cone. HCI and anhydrous PCl2

Option D: Cone. HCI and anhydrous ZnCl2

Correct Answer: Cone. HCI and anhydrous ZnCl2 ✔

Option A: propane

Option B: Propanol

Option C: Propanone

Option D: Propanoic acid

Correct Answer: Propanone ✔

Option A: 12% alcohol

Option B: 90% alcohol

Option C: 95% alcohol

Option D: 100% alcohol

Correct Answer: 95% alcohol ✔

Option A: C12H22O11

Option B: C6H10O5

Option C: (C6H10O5)n

Option D: C6H12O6

Correct Answer: C6H10O5 ✔

Option A: methanol

Option B: methanol

Option C: carbonic acid

Option D: methane

Correct Answer: methanol ✔

Option A: ethanol

Option B: ethylene glaycol

Option C: glycerol

Option D: methanol

Correct Answer: glycerol ✔

Option A: Iodoform test

Option B: Lucas test

Option C: Benedicts test

Option D: Tollens test

Correct Answer: Iodoform test ✔

Option A: cyclohexane

Option B: n – hexane

Option C: 1 – hexanol

Option D: cyclohexanol

Correct Answer: cyclohexanol ✔

Option A: vegetable oil

Option B: coaltar

Option C: wood

Option D: none of these

Correct Answer: coaltar ✔

Option A: Ca(OH)2

Option B: CaCO3

Option C: CaCl2

Option D: CaO

Correct Answer: CaO ✔

Option A: water gas

Option B: destructive distillation of wood

Option C: methane

Option D: all

Correct Answer: all ✔

Option A: Hydrogenation

Option B: Hydration

Option C: Oxidation

Option D: Fermentation

Correct Answer: Oxidation ✔

Option A: oxidation

Option B: elimination

Option C: condensation polymerization

Option D: additional polymertization

Correct Answer: condensation polymerization ✔

Option A: Benzene

Option B: Benzoic acid

Option C: Phenoxide

Option D: Cyclohexane

Correct Answer: Benzene ✔

Option A: C2H2OH

Option B: H2CO3

Option C: C6H5OH

Option D: H3PO3

Correct Answer: C6H5OH ✔

Option A: Primary alcohol

Option B: Secondary alcohol

Option C: Tertiary alcohol

Option D: All of above

Correct Answer: Tertiary alcohol ✔

Option A: Oxygen

Option B: Hydrogen

Option C: Nascent oxygen[O]

Option D: Nascent hydrogen[H]

Correct Answer: Nascent oxygen[O] ✔

Option A: Diastase-maltase-zymase

Option B: Zymase-maltase-diastase

Option C: Maltase-diastase-zymase

Option D: Diastase-zymase-maltase

Correct Answer: Diastase-maltase-zymase ✔

Option A: Mother liquor

Option B: Filterate

Option C: Extract

Option D: Molasses

Correct Answer: Molasses ✔

Option A: 2 3-dihydroxy butance 1 4 -dioic acid

Option B: 2 3 -dihydroxy butanedioic acid

Option C: 2 3 -dihydroxy butanioc acid

Option D: 2 2 -dihydroxy butanoic acid

Correct Answer: 2 3-dihydroxy butance 1 4 -dioic acid ✔

Option A: C6H5OH

Option B: C6H5CH(OH)2

Option C: C6H5CH2OH

Option D: C6H5COOH

Correct Answer: C6H5CH2OH ✔

Option A: Nucleophilic substitution

Option B: Nucleophilic addition

Option C: Elimination

Option D: both A & C

Correct Answer: both A & C ✔

Option A: primary alcohol

Option B: secondary alcohol

Option C: tertiary alcohol

Option D: dihydric alcohol

Correct Answer: primary alcohol ✔

Option A: formaldehyde

Option B: ketone

Option C: ethylene epoxide

Option D: both A & C

Correct Answer: both A & C ✔

Option A: they have an electrophilic carbon

Option B: they have an electrophilic carbon & a good leaving group

Option C: they have an electrophilic carbon & a bad leaving group

Option D: they have a nucleophilic carbon & a good leaving group

Correct Answer: they have an electrophilic carbon ✔

Option A: E1 + E2

Option B: E2 + SN2

Option C: E1 and SN1

Option D: SN1 and SN2

Correct Answer: E1 and SN1 ✔

Option A: primary alkyl halide

Option B: secondary alkyl halide

Option C: tertiary alkyl halide

Option D: all

Correct Answer: primary alkyl halide ✔

Option A: propane

Option B: propanoic acid

Option C: propanal

Option D: propanol

Correct Answer: propanoic acid ✔

Option A: 2 moles of ethane

Option B: 1 mole of ethane

Option C: 2 moles of butane

Option D: 1 mole of butane

Correct Answer: 1 mole of butane ✔

Option A: CH3-X

Option B: (CH3)3 C-CH2 – X

Option C: (CH3)2 CH – X

Option D: (CH3)3 C – X

Correct Answer: (CH3)2 CH – X ✔

Option A: C2H5O-

Option B: SCN-

Option C: NH3

Option D: H3C+

Correct Answer: H3C+ ✔

Option A: R-F

Option B: R-C

Option C: R-Br

Option D: R-I

Correct Answer: R-I ✔

Option A: E1 – reaction

Option B: E2 – reaction

Option C: SN1 – reaction

Option D: SN2 – reaction

Correct Answer: SN1 – reaction ✔

Option A: Zn / HCI

Option B: SOCl2 / Pyridine

Option C: PCI3

Option D: PCI5

Correct Answer: SOCl2 / Pyridine ✔

Option A: two

Option B: three

Option C: one

Option D: four

Correct Answer: one ✔

Option A: formaldehyde

Option B: acetaldehyde

Option C: propanone

Option D: carbondioxide

Correct Answer: carbondioxide ✔

Option A: primary alcohol

Option B: secondary alcohol

Option C: tertiary alcohol

Option D: dihydric alcohol

Correct Answer: tertiary alcohol ✔

Option A: NH3

Option B: Br+

Option C: H+

Option D: BF3

Correct Answer: NH3 ✔

Option A: acidic

Option B: basic

Option C: aqueous

Option D: dry

Correct Answer: dry ✔

Option A: the presence of halogen atom

Option B: the presence of magnesium atom

Option C: the polarity of C-Mg bond

Option D: all

Correct Answer: the polarity of C-Mg bond ✔

Option A: first order kinetics

Option B: second order kinetics

Option C: third order kinetics

Option D: zero order kinetics

Correct Answer: second order kinetics ✔

Option A: the concentration of substrate

Option B: the concentration of nucleophile

Option C: the concentration of substrate as well as nucleophile

Option D: base the concentration of substrate as well as nucleophile

Correct Answer: the concentration of substrate ✔

Option A: Zero

Option B: First

Option C: Second

Option D: Third

Correct Answer: First ✔

Option A: Zero

Option B: One

Option C: Two

Option D: Three

Correct Answer: Two ✔

Option A: Order of reaction

Option B: Rate of reaction

Option C: Mole of a reaction

Option D: Extent of a reaction

Correct Answer: Order of reaction ✔

Option A: methane

Option B: ethane

Option C: propane

Option D: butane

Correct Answer: ethane ✔

Option A: C-F

Option B: C-C

Option C: C-Br

Option D: C-I

Correct Answer: C-F ✔

Option A: polyacetylene

Option B: benzene

Option C: chloroprene

Option D: divinyl acetylene

Correct Answer: chloroprene ✔

Option A: Ni-Cu alloy

Option B: Ni-Fe alloy

Option C: Ni-Al alloy

Option D: Ni-Mg alloy

Correct Answer: Ni-Al alloy ✔

Option A: alkane

Option B: alkene

Option C: alkyne

Option D: both B & C

Correct Answer: both B & C ✔

Option A: halogenation

Option B: dehalogenation

Option C: dehydrohalogenation

Option D: hydrohalogenation

Correct Answer: halogenation ✔

Option A: CnH2n + 2

Option B: CnH2n – 2

Option C: CnH2n

Option D: CnH2n + 2

Correct Answer: CnH2n ✔

Option A: I2>Cl2>Br2>F2

Option B: F2>Cl2>I2>Br2

Option C: F2>Cl2>Br2>I2

Option D: Cl2>F2>Br2>I2

Correct Answer: F2>Cl2>Br2>I2 ✔

Option A: CO2 and H2O

Option B: CH3OH

Option C: CO + H2 + C

Option D: CO + H2O + C

Correct Answer: CH3OH ✔

Option A: 2

Option B: 3

Option C: 4

Option D: 6

Correct Answer: 4 ✔

Option A: ethene

Option B: ethyne

Option C: ethyl halide

Option D: all of the above are possible

Correct Answer: ethyne ✔

Option A: CaO and KOH

Option B: CaO and NaOH

Option C: NaOH and Na2O

Option D: Na2O and KOH

Correct Answer: CaO and NaOH ✔

Option A: ketone

Option B: aldehyde

Option C: alkane

Option D: all of the above

Correct Answer: ketone ✔

Option A: Aalkene & H2

Option B: alkene & O2

Option C: alkene & N2

Option D: alkyne & Cl2

Correct Answer: Aalkene & H2 ✔

Option A: alkene

Option B: alkyl

Option C: aldehyde

Option D: saturated hydrocarbon

Correct Answer: alkyl ✔

Option A: CH3NH2

Option B: CH3NO2

Option C: CH3CN

Option D: CH2 = CH – CN

Correct Answer: CH3CN ✔

Option A: halogenation

Option B: hydroxylation

Option C: hydrogenation

Option D: hydration

Correct Answer: hydrogenation ✔

Option A: ethane

Option B: ethene

Option C: ethyne

Option D: methane

Correct Answer: ethene ✔

Option A: CH2Cl2

Option B: CH3Cl

Option C: CHCl3

Option D: CCl4

Correct Answer: CHCl3 ✔

Option A: less reactivity

Option B: addition reactions

Option C: substitution reactions

Option D: none

Correct Answer: addition reactions ✔

Option A: dihalo alkane

Option B: trihalo alkane

Option C: vicinal dihalo alkane

Option D: vicinal trihalo alkane

Correct Answer: dihalo alkane ✔

Option A: propyne

Option B: 1-butyne

Option C: ethyne

Option D: all of the above

Correct Answer: all of the above ✔

Option A: C2H6

Option B: C2H4

Option C: C2H2

Option D: CH4

Correct Answer: CH4 ✔

Option A: nitration

Option B: halogenation

Option C: sulphonation

Option D: amination

Correct Answer: nitration ✔

Option A: ethane

Option B: ethyne

Option C: ethene

Option D: benzene

Correct Answer: ethene ✔

Option A: Grignard reagent

Option B: Metallic alkyl halide

Option C: Both A & B

Option D: Alkyl

Correct Answer: Both A & B ✔

Option A: reduction

Option B: oxidation

Option C: hydrolysis

Option D: rearrangement

Correct Answer: rearrangement ✔