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Question
Identify A, B, C and D.
\[\ce{aniline + benzaldehyde -> A ->[Conc. HNO3][B] C + D}\]
Solution
\[\ce{C6H5NH2 + C6H5CHO -> \underset{\underset{(Schiff's base)(A)}{(Benzal aniline)}}{C6H5N = CH - C6H5} ->[Conc. HNO3][\underset{(B)}{H2O}] \underset{\underset{(C)}{(Aniline)}}{C6H5NH2} + \underset{\underset{(D)}{(Benzaldehyde)}}{C6H4CHO}}\]
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