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Amines · Question 42

AIPMT 2010 (Mains)MatchingEasy📈 Topic in 62% papers+4−1
1

Match the compounds given in List-I with their characteristic reactions given in List-II. Select the correct option.

  1. A-(ii), B-(i), C-(iv), D-(iii)
  2. A-(iii), B-(ii), C-(i), D-(iv)
  3. A-(ii), B-(iii), C-(i), D-(iv)
  4. A-(iv), B-(ii), C-(iii), D-(i)

Answer

(3) A-(ii), B-(iii), C-(i), D-(iv)

Solution

A. CH3(CH2)3NH2 is a 1° amine ⇒ carbylamine reaction with CHCl3 and alcoholic KOH gives foul-smelling isocyanide – (ii)

B. CH3C CH is a terminal alkyne (acidic H) ⇒ white ppt. of silver propynide with ammoniacal AgNO3 – (iii)

C. CH3CH2COOCH3 is an ester ⇒ undergoes alkaline hydrolysis (saponification) – (i)

D. CH3CH(OH)CH3 is a 2° alcohol ⇒ with Lucas reagent turbidity appears in about 5 minutes – (iv)

∴ A-(ii), B-(iii), C-(i), D-(iv)

Answer: (3)

AIPMT 2010 (Mains)

Keep practising — Amines

2

Acetamide is treated with the following reagents separately. Which one of these would yield methyl amine?

  1. NaOH/Br2
  2. Sodalime
  3. Hot conc. H2SO4
  4. PCl5
AIPMT 2010 (Prelims)
3

Which of the following statements about primary amines is false?

  1. Alkyl amines are stronger bases than aryl amines.
  2. Alkyl amines react with nitrous acid to produce alcohols.
  3. Aryl amines react with nitrous acid to produce phenols.
  4. Alkyl amines are stronger bases than ammonia.
AIPMT 2010 (Prelims)
4

Aniline in a set of the following reactions yielded a coloured product Y. [figure] The structure of 'Y' would be

  1. [figure]
  2. [figure]
  3. [figure]
  4. [figure]
AIPMT 2010 (Prelims)
5

Predict the product. [figure]

  1. [figure]
  2. [figure]
  3. [figure]
  4. [figure]
AIPMT 2009
6

In a reaction of aniline a coloured product C was obtained. [figure] The structure of C would be

  1. [figure]
  2. [figure]
  3. [figure]
  4. [figure]
AIPMT 2008
7

Which one of the following on reduction with lithium aluminium hydride yields a secondary amine?

  1. Methyl isocyanide
  2. Acetamide
  3. Methyl cyanide
  4. Nitroethane
AIPMT 2007
8

In a set of reactions propionic acid yielded a compound D. CH3CH2COOH SOCl2 B NH3 C [Br2]KOH D The structure of D would be

  1. CH3CH2NH2
  2. CH3CH2CH2NH2
  3. CH3CH2CONH2
  4. CH3CH2NHCH3
AIPMT 2006
9

Which of the following is more basic than aniline?

  1. Benzylamine
  2. Diphenylamine
  3. Triphenylamine
  4. p-Nitroaniline
AIPMT 2006
10

The major organic product formed from the following reaction : [figure] is

  1. [figure]
  2. [figure]
  3. [figure]
  4. [figure]
AIPMT 2005
11

Electrolytic reduction of nitrobenzene in weakly acidic medium gives

  1. N-phenylhydroxylamine
  2. nitrosobenzene
  3. aniline
  4. p-hydroxyaniline
AIPMT 2005

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