Organic Compounds Containing Nitrogen  MCQs

MCQs of Organic Compounds Containing Nitrogen

Showing 121 to 130 out of 139 Questions
9 10 11 12 13 14
121.
Amines behave as _____ .
(a) Aprotic acid
(b) Neutral compound
(c) Lewis acid
(d) Lewis base
Answer:

Option (d)

122.
Primary amines may not be obtained by _____ .
(a) the reduction of nitroalkanes
(b) the reduction of isocyanides
(c) the decarboxylation of amino acids
(d) Hoffmann degradation of amides
Answer:

Option (b)

123.
A mixture of three types of amines can be prepared by _____ .
(a) ammonolysis of alkyl halides
(b) Hoffmann’s bromamide reaction
(c) the reduction of nitroalkanes
(d) All the given
Answer:

Option (a)

124.
Which of the following is not Sandmeyer’s reagent ?
(a) Cu2Br2 + HBr
(b) CU2Cl2 + HCl
(c) Cu2I2 + KI
(d) Cu2(CN)2 + KCN
Answer:

Option (c)

125.
Which amine shows metamerism ?
(a) Only primary
(b) Only secondary
(c) Only tertiary
(d) All the given
Answer:

Option (b)

126.
Nitrogen is likely to be evolved when NaNO2 in dilute HCl is warmed with _____ .
(a) CH3NH-CH2CH3
(b) (C2H5)3N
(c) C6H5NH2
(d) H2NCH2CH2NH2
Answer:

Option (d)

127.
Activating effect of amino group in aniline is reduced by _____ .
(a) alkylation
(b) sulphonation
(c) bromination
(d) acylation
Answer:

Option (d)

128.
Aniline first reacts with acetyl chloride producing compound ‘ A ‘. ‘ A ‘ reacts with the mixture of nitric and sulphuric acid and produces compound ‘ B ‘, which hydrolyse to compound ‘C‘. What is ‘C’ ?
(a) Acetanilide
(b) Sulphanilic acid
(c) p - nitroacetanilide
(d) p - nitroaniline
Answer:

Option (d)

129.
C4H11N+HNO2→C4H10O  (3∘ alcohol) hence C4H11N will give
(a) Ammonolysis reaction
(b) Carbylamine reaction
(c) Diazotization reaction
(d) Hofmann's reaction
Answer:

Option (b)

130.
In order to distinguish C6H5NH2 and C2H5NH2, which of the following reagent is useful ?
(a) Hisenberg Reagent
(b) CHCl3/KOH
(c) β-Naphthol
(d) NaOH
Answer:

Option (c)

Showing 121 to 130 out of 139 Questions
9 10 11 12 13 14