MCQs For NCERT Class 12 Chemistry Chapter 13 Amines

Please refer to the MCQ Questions for Class 12 Chemistry Chapter 13 Amines with Answers. The following Amines Class 12 Chemistry MCQ Questions have been designed based on the latest syllabus and examination pattern for Class 12. Our experts have designed MCQ Questions for Class 12 Chemistry with Answers for all chapters in your NCERT Class 12 Chemistry book.

Amines Class 12 MCQ Questions with Answers

See below Amines Class 12 Chemistry MCQ Questions, solve the questions and compare your answers with the solutions provided below.

Question. Dynamite is a mixture of:     
(a) Nitroglycerine + raw dust
(b) Nitroglycerine + HCl
(c) Hydrogen bomb + H₂SO₄
(d) Glycerine + H₂SO₄

Question. Reduction of nitrobenzene with Sn/HCl produces:      
(a) azobenzene
(b) azoxybenzene
(c) nitrobenzene
(d) aniline

Question. Consider the following reaction      
               Sn/HCl      C6H5COCl
C6H5NO2 ———→X—————→Y+HCl
What is Y?
(a) Acetanilide
(b) Benzanilide
(c) Azobenzene
(d) Hydrazobenzene

Question. Nitrobenzene gives N-phenylhydroxylamine by :     
(a) Sn/HCl
(b) H₂/Pd-C 
(c) Zn/NaOH
(d) Zn/NH₄Cl

Question. Aromatic nitriles (ArCN) are not prepared by reaction :     
(a) ArX + KCN
(b) ArN+2 + CuCN
(c) ArCONH₂ + P₂O₅
(d) ArCONH₂ + SOCl₂

Question. Melting points are normally highest for :     
(a) tertiary amides
(b) secondary amides
(c) primary amides
(d) amines 

Question. Which of the following gives primary amine on reduction?     
(a) CH₃CH₂NO₂
(b) CH₃CH₂ = O — N = O
(c) C₆H₅N = NC₆H₅
(d) CH₃CH₂

Question. Which of the following compound will not undergo azo coupling reaction with benzene diazonium chloride.     
(a) Aniline
(b) Phenol
(c) Anisole
(d) Nitrobenzene

Question. Which of the following are intermediates in Sandmeyer reaction ?     
(i) C₆H₅N⁺ ≡ NCl^–
(ii) C₆H₅N⁺ ≡ N
(iii) C₆H₅
(iv) C₆H₅Cl
(a) (ii) and (iii)
(b) (i) and (iv)
(c) (ii) and (iv)
(d) (i) and (ii)

Question. Which of the following statement is true?      
(a) Trimethyl amine forms a soluble compound with Hinsberg reagent and KOH.
(b) Dimethyl amine reacts with KOH and phenol to form an azo dye.
(c) Methyl amine reacts with nitrous acid and liberates N2 from aq. solution.
(d) None of these.

Question. Which of the following amines will not give N₂ gas on treatment with nitrous acid (NaNO₂ + HCl) ?    
(a) C₂H₅NH₂
(b) CH₃NH₂
(c) (CH₃)₂CHNH₂
(d) All will give N₂.

Question. The compound which gives an oily nitrosoamine on reaction with nitrous acid at low temperature, is    
(a) CH₃NH₂
(b) (CH₃)₂CHNH₂
(c) CH₃–NH–CH₃
(d) (CH₃)₃N

Question. Diethyl oxalate is used for distinguishing primary, secondary and tertiary      
(a) alcohols
(b) amines
(c) alkyl halides
(d) hydrogens in hydrocarbons

Question. Fluorescein is an example of      
(a) azo dyes
(b) phthalein dyes
(c) triphenylmethane dyes
(d) nitro dyes

Question. Urea upon hydrolysis yields:      
(a) acetamide
(b) carbonic acid
(c) ammonium hydroxide
(d) NO₂

Question. Hinsberg’s reagent is :     B
(a) COOC₂H₅
     |
     COOC₂H5
(b) C₆H₅SO₂Cl
(c) C₆H₅SO₂NH₂
(d) CH3_COCH₂COOC₂H₅

Question. The product formed by the reaction of acetamide with bromine in presence of NaOH is :     
(a) CH₃CN
(b) CH₃CHO
(c) CH₃CH₂OH
(d) CH₃NH₂

Question. Primary amine reacts with carbon disulphide and HgCl₂ to produce alkyl isothiocyanate. This reaction is :      
(a) Carbylamine reaction
(b) Hoffmann bromamide reaction
(c) Perkin reaction
(d) Hoffmann mustard oil reaction

Question. From the following compounds which does not react with C₆H₅SO₂CI ?
(a) C₂H₅ · NH₂
(b) CH₃ · NH₂
(c) (CH₃)₂NH
(d) (C₂H₅)₃N       

Question. Aniline reacts with … to yield … as the final product.
(a) bromine, 2-bromoaniline 
(b) bromine, 2, 4, 6-tribromoaniline
(c) chloroform/ KOH, phenyl cyanide
(d) acetyl chloride, benzanilide     

Question. Which will not go for diaz.otisation ? 

Question. On heating benz.yl amine with chloroform and ethanolic KOH, product obtained is
(a) benz.yl alcohol
(b) benzaldehyde
(c) benz.onitrile
(d) benzyl isocyanide       

Question. Gabriel’s synthesis is used frequently for the preparation of which of the following? 
(a) Primary amines
(b) Primary alcohols
(c) Tertiary amines
(d) Tertiary alcohols       

Question. The reaction of CHCI₃ and alcoholic KOH with p-toluidine gives

Question. The correct order of increasing basic nature of the following bases is 

(a) II < V < I < III < IV
(b) V < II < I < III < IV
(c) II < V < I < IV < III
(d) V < II < I < IV < III 
(e) II < V < IV < III < I     

Question. An organic amino compound reacts with aqueous nitrous acid at low temperature to produce an oily nitrosoamine. The compound is
(a) CH₃NH₂
(b) CH₃NH₂NH₂
(c) CH₃CH₂NHCH₂CH₃
(d) (CH₃CH₂)₃N   

Question. C₅H₁₃N reacts with HNO₂ to give an optically active alcohol. The compound is
(a) pentan-1-amine
(b) pentan-2-amine
(c) N, N-dimethylpropan-2-amine
(d) N-methylbutan-2-amine     

Question. Which of the following amines can be directly oxidised to the corresponding nitro compound by potassium permanganate ? 
(a) CH₃NH₂
(b) CH₃—CH—CH₃
                l
              NH₂
(c) (CH₃)₂NH
(d) (CH₃)₃C—NH₂         

Question. In the following reaction sequence predict the compound X and Y.

Question. Aniline is prepared in presence of Fe/HCI from 
(a) benzene
(b) nitrobenzene
(c) dinitrobenz.ene
(d) None of these       

Question. Which of the following is involved in Sandmeyer’s reaction?      
(a) ferrous salt
(b) diazonium salt
(c) ammonium salt
(d) cuprammonium salt

Question. In the reaction :
C₆H₅CHO+C₆H₅NH₂ → C₆H₅N = CHC₆H₅ + H₂O      
The compound, C6H5N = CHC6H5 is known as
(a) aldol
(b) Schiff’s base
(c) Schiff’s reagent
(d) Benedict’s reagent

Question. Pyridine is less basic than triethylamine because :     
(a) pyridine has aromatic character
(b) nitrogen in pyridine is sp2-hybridised
(c) pyridine is a cyclic system
(d) in pyridine, lone pair of electrons on nitrogen is delocalised

Question. C6H5CONHCH3 can be converted into C6H5CH2NHCH3 by :      
(a) NaBH4
(b) H2-Pd/C
(c) LiAlH4
(d) Zn-Hg/HCl

Question. The ortho/para directing group among the following is :      
(a) COOH
(b) CN
(c) COCH₃
(d) NHCONH₂

Question. Among the following, the weakest base is     
(a) C₆H₅CH₂NH₂
(b) C₆H₅CH₂NHCH₃
(c) O₂N.CH₂NH₂
(d) CH₃NHCHO

Question. Which of the following chemicals are used to manufacture methyl isocyanate that caused “Bhopal Tragedy”?      
(i) Methylamine
(ii) Phosgene
(iii) Phosphine
(iv) Dimethylamine
(a) (i) and (iii)
(b) (iii) and (iv)
(c) (i) and (ii)
(d) (ii) and (iv)

Question. Among the following which one does not act as an intermediate in Hofmann rearrangement?     
(a) RNCO
(b) RCON 
(c) RCON^–HBr
(d) RNC

Question. Nitrobenzene on treatment with zinc dust and aqueous ammonium chloride gives:      
(a) C₆H₅N + NC₆H₅
(b) C₆H₅NH₂
(c) C₆H₅NO
(d) C₆H₅NHOH

Question. Benzamide and benzyl amine can be distinguished by      
(a) cold dil. NaOH
(b) cold dil. HCl
(c) both a & b
(d) NaNO₂, HCl, 0ºC, then β-naphthol

Question. The basic character of ethyl amine, diethyl amine and triethyl amine in chlorobenzene is      
(a) C₂H₅NH₂ < (C₂H₅)₂NH < (C₂H₅)₃N
(b) C₂H₅NH₂ < (C₂H₅)₃N < (C₂H₅)2 NH
(c) (C₂H₅)3N < (C₂H₅)₂NH < C₂H₅NH2
(d) (C₂H₅)3N < C₂H₅NH₂ < (C₂H₅)2NH