(a) Give a plausible explanation for each one of the
(i) There are - NH2
groups in semicarbazide. However, only one such group is involved
in the formation of semicarbazones.
(ii) Cyclohexanone forms cyanohydrins in good yield but 2, 4,
6-trimethylcyclohexanone does not.
(b) An organic compound with molecular formula C9H10O forms 2, 4, - DNP derivative,
reduces Tollens’ reagent and undergoes
Cannizzaro’s reaction. On vigorous oxidation
it gives 1, 2-benzene-di-carboxylic acid. Identify the
(a) Give chemical tests to distinguish between
(i) Phenol and Benzoic acid
(ii) Benzophenone and Acetophenone
(b) Write the structures of the main products of following
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