S Chand Chemistry Class 9 Chapter 2 Solutions. We covered all the S Chand Chemistry Class 9 Chapter 2 Solutions MCQs in this post for free so that you can practice well for the exam.
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S Chand Chemistry Class 9 Chapter 2 Objective with Solutions for Students
Which of the following compounds gives an explosive on decarboxylation:
(A) 2,4, 6-Trinitrobenzoic acid
(B) 2, 4-Dinitrobenzoic acid
(C) o-Aminobenzoic acid
(D) o-Hydroxy benzoic acid
Option a – 2,4, 6-Trinitrobenzoic acid
Aniline is purified by:
(A) Azeotropic distillation
(B) Steam distillation
(C) Distillation in the presence of magnesium
(D) Fractional distillation
Option b – Steam distillation
Aniline on treatment with bromine water yields a white precipitate of:
(A) o-Bromoaniline
(B) p-Bromonailine
(C) 2, 4, 6-Tribromoaniline
(D) m-Bromoaniline
Option c – 2, 4, 6-Tribromoaniline
Which of the following is the most basic:
(A) Aniline
(B) o-Nitroaniline
(C) m-Nitroaniline
(D) p-Nitroaniline
Option a – Aniline
The lowest boiling point will be of the compound:
(A) Ethylamine
(B) Ethylmethylamine
(C) 1-propanamine
(D) N, N-dimethylmethanamine
Option d – N, N-dimethylmethanamine
The solubility of ethylamine in water is due to:
(A) Low molecular weight
(B) Ethyl group is present in ethyl alcohol
(C) Formation of H-bonding with water
(D) Being a derivative of ammonia
Option c – Formation of H-bonding with water
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