CBSE Class 12 Chemistry notes and questions for Amines Part C. Learning the important concepts is very important for every student to get better marks in examinations. The concepts should be clear which will help in faster learning. The attached concepts made as per NCERT and CBSE pattern will help the student to understand the chapter and score better marks in the examinations.
2. Giving an example of each, describe the following reactions :
(i) Hoffman bromamide reaction
(ii) Gabriel phthanlimide synthesis
(iii) Gatterman reaction
(iv) Coupling reaction
(vi) Carbylamine reaction
(vii) Acetylation of aniline
3. Describe the Hinsberg’s test for identification of primary, secondary and tertiary amines. Also write the chemical equations of the reactions involved.
4. Arrange the following in the increasing order of given property indicated.
(i) C2H5NH2, (C2H5)2NH, (C2H5)3N and NH3, (Basic strength in aqueous solution).
(ii) C2H5NH2, (C2H5)2NH, (C2H5)3N and CH3NH2. (Basic strength in aseous phase).
(iii) Aniline, p-toluidine, p-nitroaniline. (Basic strength).
(iv) C2H5OH, (CH3)2 HN, C2H5NH2 (Boiling point)
6. How will you bring about the following conversions?
(i) benzene to Aniline
(ii) aniline to benzene
(iii) ethanoic acid to ethanamine
(iv) p-toluidine to 2-bromo-4-methylaniline.
(v) methylbromide to ethanamine
(vi) benzenediazonium chloride to nitrobenzene
(vii) ethylamine to methylamine
(ix) benzene to sulphanilic acid
(x) hexanenitrile to 1-aminopentane.
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