Class 12 Chemistry Chapter 13 Amines Short Questions and Answers | Class 12 Chemistry Chapter 13 Amines Quiz

(1) An organic compound A on reduction gives compound B which on reaction with chloroform and potassium hydroxide forms C. The compound C on catalytic reduction gives N-methylaniline. The compound A is

[A] nitrobenzene

[B] nitromethane

[C] methylamine

[D] aniline

Answer: nitrobenzene

(2) Acetamide and ethyl amine can be distinguished by reacting with

[A] aq. HCl and heat

[B] aq. NaOH and heat

[C] acidified KMnO₄

[D] bromine water

Answer: aq. NaOH and heat

(3) Which of the following compound gives dye test

[A] Aniline

[B] Methylamine

[C] Diphenylamine

[D] Ethylamine

Answer: Aniline

(4)

In the above reaction sequence, Z is

[A] CH₃CH₂CH₂NHCOCH₃

[B] CH₃CH₂CH₂NH₂

[C] CH₃CH₂CH₂CONHCH₃

[D] CH₃CH₂CH₂CONHCOCH₃

Answer: CH₃CH₂CH₂NHCOCH₃

(5) Intermediates formed during the reaction of RCONH₂ with Br₂ and KOH are

[A] RCONHBr and RNCO

[B] RNHCOBr and RNCO

[C] RNHBr and RCONHBr

[D] RCONBr₂

Answer: RCONHBr and RNCO

(6) What is the end product in the following sequences of operations;

[A] CH₃NH₂

[B] C₂H₅NH₂

[C] CH₃CN

[D] CH₃COONH₄

Answer: C₂H₅NH₂

(7) Name the end product in the following series of reactions,

[A] CH₄

[B] CH₃OH

[C] acetonitrile

[D] ammonium acetate

Answer: acetonitrile

(8)

are ........... isomers

[A] Chain

[B] functional

[C] position

[D] all of these

Answer: functional

(9) Primary nitroalkanes on hydrolysis give:

[A] RCOOH + NH₂OH

[B] RCOOH

[C] NH₂OH

[D] RCOR

Answer: RCOOH + NH₂OH

(10) How many primary amines are posible for the formula C₄H₁₁N ?

[A] 1

[B] 2

[C] 3

[D] 4

Answer: 4

(11) The type of isomerism shown by C₆H₅CN and C₆H₅NC is:

[A] position

[B] functional

[C] enantiomerism

[D] tautomerism

Answer: functional

(12) The product D in the following sequence of reactoins is,

[A] ester

[B] amine

[C] acid

[D] alcohol

Answer: amine

(13) An aromatic primary amine with cold nitrous acid leads to the formation of:

[A] alcohol

[B] nitrite

[C] diazonium salt

[D] benzene

Answer: diazonium salt

(14) The nitration of benzene with fuming HNO₃ will give:

[A] TNB

[B] 1,3-dinitrobenzene

[C] picric acid

[D] 1,4-dinitrobenzene

Answer: TNB

(15) Which one of the following on reduction with LiAlH₄ yields a secondary amine ?

[A] Methyl isocyanide

[B] Acetamide

[C] Methyl cyanide

[D] Nitroethane

Answer: Nitroethane

(16) The IUPAC name of the compound having formula,

is

[A] 3-aminohydroxy propionic acid

[B] 2-amino-propan-3-oic acid

[C] amino hydroxy propionic acid

[D] 2-amino-3-hydroxy propionic acid

Answer: 2-amino-3-hydroxy propionic acid

(17) In the reaction,

[A] acetone

[B] ethanamine

[C] acetaldehyde

[D] dimethyl amine

Answer: acetaldehyde

(18) RMgX on reacting with cyanogen chloride gives:

[A] R-NC

[B] R-Cl

[C] R-CN

[D] none of these

Answer: R-CN

(19) Which of the following statements about primary amines is false ?

[A] Alkyl amines are stronger bases than aryl amines

[B] Alkyl amines react with nitrous acid to produce alcohols

[C] Aryl amines react with nitrous acid to produce phenols

[D] Alkyl amines are stronger bases than ammonia

Answer: Aryl amines react with nitrous acid to produce phenols

(20) When NaNO₂ and dilute HCl were added to an amine at 0°c, a colourless gas was evolved and an ionic compound is formed. The amine is:

[A] any primary amine

[B] an aromatic primary amine

[C] any amine

[D] none of the above

Answer: an aromatic primary amine

Class 12 Chemistry Chapter 13 Amines MCQs | Class 12 Chemistry Chapter 13 Amines Short Questions and Answers

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Class 12 Chemistry Chapter 13 Amines MCQs | Class 12 Chemistry Chapter 13 Amines Short Questions and Answers

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