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:
Question. Consider the following reaction
What is Y?
Question. Nitrobenzene gives N-phenylhydroxylamine by :
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
Question. Which of the following gives primary amine on reduction?
(b) CH3CH2 = O — N = O
(c) C6H5N = NC6H5
Question. Which of the following compound will not undergo azo coupling reaction with benzene diazonium chloride.
Question. Which of the following are intermediates in Sandmeyer reaction ?
(i) C6H5N+ ≡ NCl–
(ii) C6H5N+ ≡ N
(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) ?
(d) All will give N2.
Question. The compound which gives an oily nitrosoamine on reaction with nitrous acid at low temperature, is
Question. Diethyl oxalate is used for distinguishing primary, secondary and tertiary
(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:
(b) carbonic acid
(c) ammonium hydroxide
Question. Hinsberg’s reagent is : B
Question. The product formed by the reaction of acetamide with bromine in presence of NaOH is :
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
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
(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
Question. C5H13N reacts with HNO2 to give an optically active alcohol. The compound is
(c) N, N-dimethylpropan-2-amine
Question. Which of the following amines can be directly oxidised to the corresponding nitro compound by potassium permanganate ?
Question. In the following reaction sequence predict the compound X and Y.
Question. Aniline is prepared in presence of Fe/HCI from
(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
(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 :
Question. The ortho/para directing group among the following is :
Question. Among the following, the weakest base is
Question. Which of the following chemicals are used to manufacture methyl isocyanate that caused “Bhopal Tragedy”?
(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?
Question. Nitrobenzene on treatment with zinc dust and aqueous ammonium chloride gives:
(a) C6H5N + NC6H5
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