MCQs Amines Organic Compounds containing Nitrogen for ISC Class 12

MCQs Amines Organic Compounds containing Nitrogen for ISC Class 12 Questions with Answers. These MCQ  / Objective Type Questions is based on latest reduced syllabus according 2021-22 session on bifurcated pattern. Main motto of MCQ Type Question is cracking the next upcoming Sem-2 exam of council. Visit official website CISCE for detail information about ISC  Class-12 Chemistry

 Amines Organic Compounds containing Nitrogen for ISC Class 12 MCQs Questions with Answers

Board	ISC
Class	12th (XII)
Subject	Chemistry
Chapter	Organic Compounds containing Nitrogen
Syllabus	on bifurcated syllabus (after reduction)
Session	2021-22
Bifurcated	Sem-2
Topic	MCQs / Objective Type Question

MCQs Amines Organic Compounds containing Nitrogen for ISC Class 12 Questions with Answers

Question 1: Identify ‘Z’ in the sequence?

(a) C₆H₅CN
(b) C₆H₅CONH₂
(c) C₆H₅COOH
(d) C₆H₅CH₂NH₂

Answer: (c) C₆H₅COOH

Question 2: Which of the following from isocyanide on reaction with CHCl and KOH?
(a) C₆H₅NHCH₃
(b) CH₃C₆H₄NH₂
(c) C₆H₅NHC₄H₉.
(d) C₆H₅N (C₂H₅)₂

Answer: (b) CH₃C₆H₄NH₂

Question 3: The strongest base among the following is?

Answer: (c) 

Question 4: Which of the following is the strongest base?

Answer: (d) 

Question 5: Find the compound which is more basic than aniline

(a) Diphenylamine

(b) Triphenylamine

(c) Benzylamine

(d) p-Nitroaniline

Answer: (c) Benzylamine

Question 6:  Which of the following can exist as zwitter ion?

(a) p-Aminoacetophenone
(b) Sulphanilic acid
(c) p-Nitroaminobenzene
(d) p-Methoxyphenol

Answer: (b) Sulphanilic acid

Question 7:  Reduction of aromatic nitro-compounds using Sn and HCl gives

(a) aromatic primary amines
(b) aromatic secondary amines
(c) aromatic tertiary amines
(d) aromatic amides

Answer: (a) aromatic primary amines

Question 8: Acetamide can be converted to methenamine by which of the following reactions?

(a) Stephen’s reaction

(b) Hoffmann bromamide reaction

(c) Carbylamine reaction

(d) Gabriel phthalimide synthesis

Answer: (b) Hoffmann bromamide reaction

Question 9 : An aldehyde on reaction with primary amine forms

(a) ketone

(b) Schiff’s base

(c) aromatic acid

(d) carboxylic acid

Answer: (b) Schiff’s base

Question 10: Arrange the following compounds in increasing order of basicity:

CH₃NH₂, (CH₃)₂ NH, NH₃, C₆H₅NH₂
(a) C₆H₅NH₂ < NH₃ < (CH₃)₂NH < CH₃NH₂
(b) CH₃NH₂ < (CH₃)₂NH < NH₃ < C₆H₅NH₂
(c) C₆H₅NH₂ <NH₃ < CH₃NH₂<(CH₃)₂NH
(d) (CH₃)₂NH < CH₃NH₂ <NH₃ < C₆H₅NH₂

Answer: (c) C₆H₅NH₂ <NH₃ < CH₃NH₂<(CH₃)₂NH

Question 11: Which of the following species are involved in the carbvlamine test?

(i) RNC
(ii) CHCl₃
(iii) COCl₂
(iv) NaNO₂ + HCl

(a) (i) and (iv)

(b) (i) and (ii)

(c) (ii) and (iv)

(d) (ii) and (iii)

Answer: (b) (i) and (ii)

Question 12: Benzene forms Nitrobenzene on reaction with conc. HNO₃/H₂SO₄, in the reaction HNO₃ acts as a 

(a) catalyst

(b) reducing agent

(c) base

(d) acid

Answer: (c) base

Question 13: Which of the following compound will form secondary amine on reaction with LiAlH₄?

(a) Methyl cyanide

(b) Methyl isocyanide

(c) Acetamide

(d) Nitroethane

Answer: (b) Methyl isocyanide

Question 14: Primary and secondary amines are distinguished by

(a) Br₂/ROH
(b) HClO
(c) HNO₂
(d) NH₃

Answer: (c) HNO₂

Question 15: Nitrogen atom of amino group is ………. hybridised.

(a) sp
(b) sp²
(c) sp³
(d) sp³d

Answer: (c) sp³

Question 16: Benzene-diazonium chloride on reaction with phenol in weakly basic medium gives

(a) Diphenyl ether

(b) p-hydroxyazobenzene

(c) Chlorobenzene

(d) Benzene

Answer: (b) p-hydroxyazobenzene

Question 17: Which one of the following does not contain the -COOH group?

(a) Picric acid

(b) Aspirin

(c) Benzoic acid

(d) Ethanoic acid

Answer: (a) Picric acid

Question 18: C₃H₈N cannot represent

(a) 1° ammine
(b) 2° ammine
(c) 3° ammine
(d) quartemary ammonium salt

Answer: (d) quartemary ammonium salt

Question 19:  Secondary amines can be prepared by

(a) reduction of nitro compounds
(b) oxidation of N-substituted amides
(c) reduction of isonitriles
(d) reduction of nitriles

Answer: (c) reduction of isonitriles

Question 20:  Which of the following amides will give ethylamine on reaction with sodium hypobromide?

(a) Butanamide
(b) Propanamide
(c) Acetamide
(d) Benzamide

Answer: (b) Propanamide

Question 21: Identify the correct IUPAC name

(a) (CH₃CH₂)₂NCH₃ = N-Ethyl-N-methylethanamine
(b) (CH₃)₃CNH₂ = 2-methylpropan-2-amine
(c) CH₃NHCH (CH₃)₂ = N-Methylpropan-2-amine
(d) (CH₃)₂CHNH₂ = 2, 2-Dimethyl-N-propanamine

Answer: (a) (CH₃CH₂)₂NCH₃ = N-Ethyl-N-methylethanamine

Question 22: The most convenient method to prepare primary (i Amine) amine containing one carbon atom less is

(a) Gabriel phthalmidie synthesis
(b) Reductive amination of aldehydes
(c) Hofmann bromamide reaction
(d) Reduction of isonitriles

Answer: (c) Hofmann bromamide reaction

Question 23: The bad-smelling substance formed by the action of alcoholic caustic potash on chloroform and aniline is

(a) Phenyl Isocyanide

(b) Nitrobenzene

(c) Chloropicrin

(d) Acetylene

Answer: (a) Phenyl Isocyanide

Question 24: Which of the following does not react with Hinsberg reagent?

(a) Ethylamine

(b) (CH₃)₂NH

(c) (CH₃)₃N

(d) Propan-2-amine

Answer: (c) (CH₃)₃N

Question 25: 

above sequence, Z is

(a) Cyanoethane
(b) Ethanamide
(c) Methanamine
(d) Ethanamine

Answer: (d) Ethanamine

Question 26:  Reduction of CH₃CH₂NC with hydrogen in presence of Ni or Pt as catalvst gives
(a) CH₃CH₂NH₂
(b) CH₃CH₂NHCH₃
(c) CH₃CH₂NHCH₂CH₃
(d) (CH₃)₃N

Answer: (b) CH₃CH₂NHCH₃

Question 27:  Which one of the following reducing agents is likely to be most effective in bringing about the following change?

(a) H₂-Ni
(b) NaBH₄
(c) LiAlH₄ ether
(d) Na-AIcohol

Answer: (c) LiAlH₄ ether

Question 28:  What is the end product in the following sequence of reactions?

(a) Aniline
(b) Phenol
(c) Benzene
(d) Benzenediazxonium chloride

Answer: (a) Aniline

Question 29:  Tertiary amines have lowest boiling points amongst isomeric amines because

(a) they have highest molecular mass
(b) they do not form hydrogen bonds
(c) they are more polar in nature
(d) they are most basic in nature

Answer: (b) they do not form hydrogen bonds

Question 30: C₃H₉N  can have how many structural isomers?

(a) 2

(b) 3

(c) 4

(d) 5

Answer: (c) 4

Question 31: Products formed when Nitrobenzene reacts with HNO₃/H₂SO₄ at 80-100°C

(a) 1, 4-Dinitrobenzene

(b) 1, 2, 4-Trinitrobenzene

(c) 1, 2-Dinitrobenzene

(d) 1, 3-Dinitrobenzene

Answer: (d) 1, 3-Dinitrobenzene

Question 32:  Most basic species amongst the following is

Answer: (d) 

Question 33:  When aniline is heated with cone. H₂SO₄ at 455-475 K, it forms

(a) aniline hydrogensulphate
(b) sulphanilic acid
(c) amino benzene sulphonic acid
(d) benzenesulphonic acid

Answer: (b) sulphanilic acid

Question 34:  Which of the following compounds cannot be identified by carbylamine test?

(a) CH₃CH₂NH₂
(b) (CH₃)₂CHNH₂
(c) C₆H₅NH₂
(d) C₆H₅NHC₆H₅

Answer: (d) C₆H₅NHC₆H₅

Question 35:  What is obtained when benzoyl chloride reacts with aniline in the presence of sodium hydroxide?

(a) Benzoic acid
(b) Benzanilide
(c) Acetanilide
(d) Azobenzene

Answer: (b) Benzanilide

Question 36:  Aniline first reacts with acetyl chloride producing compound A. A reacts with 𝐻𝑁O₃/H₂𝑆𝑂₄ mixture and produces comp and B which hydrolyses to compound C. What is the identity of C?

(a) Acetanilide
(b) p-Nitroacetanilide
(c) p-Nitroaniline
(d) Sulphanilic acid.

Answer: (c) p-Nitroaniline

Question 37:  Which is most basic?

(a) C₆H₅NH₂
(b) (C₆H₅)₂NH
(c) CH₃NH₂
(d) (CH₃)₂NH

Answer: (d) (CH₃)₂NH

Question 38:  When excess of ethyl iodide is treated with ammonia, the product is

(a) ethylamine
(b) diethylamine
(c) triethylamine
(d) tetrathylammonium iodide

Answer: (d) tetrathylammonium iodide

Question 39:  Amides may be converted into amines by a reaction named after

(a) Hofmann Bromide
(b) Claisen
(c) Perkin
(d) Kekule

Answer: (a) Hofmann Bromide

Question 40:  The amine that does not react with acetyl chloride is

(a) CH₃NH₂
(b) (CH₃)₂NH
(c) (CH₃)₃ N
(d) none of these

Answer: (c) (CH₃)₃ N

–: End of MCQs Amines Organic Compounds containing Nitrogen  :–