Previous Year Papers

Download Solved Question Papers Free for Offline Practice and view Solutions Online.

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.

Amines

Long Answer Type

301. Explain how does the presence or absence of hydrogen on N atom of amines affect the modes of their reactions with nitrous acid.

131 Views

Short Answer Type

302.

Explain the following:
Aniline dissolves in aqueous HCl.

147 Views

303.

Explain the following:
Amines are stronger bases than ammonia.

105 Views

304.

Explain the following:
Aniline is a weak base than ethylamine.

146 Views

305.
Explain the following:
The amino group in ethylamine is basic whereas that in acetamide is not basic.

In amides the lone pair of electrons on nitrogen atom is delocalised and hence less available for protonation than in amines where no resonance is possible and thus

acetamide is a weaker base than ethylamine.

135 Views

306.

Explain the following:
Cyclo hexylamine is a stronger base than aniline.

141 Views

307.

Describe simple tests for distinguishing:
p-Toluidine and benzyl amine

205 Views

308.

Describe simple tests for distinguishing:
CH₃ONHC₆H₅ and C₆H₅CONH₂

107 Views

309.

Describe simple tests for distinguishing:
C₆H_sNH₃ ⁺Cl^- and p-ClC₆H₄NH₂

114 Views

310.

Describe simple tests for distinguishing:
(CH₃)₄N⁺OH and (CH₃)₂NCH₂OH

100 Views