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An organic compound A, containing C, H, N and O, on analysis gives 49.32% carbon, 9.59% hydrogen and 19.18% nitrogen. A on boiling with NaOH gives of NH3 and a salt which on acidification gives a monobasic nitrogen free acid B. The silver salt of B contains 59.67% silver. Deduce the structures of A and B.

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 (i) For empirical formula of A :

∴ Empirical formula of A = C3H7NO

Empirical formula weight of A = 73

(ii) Molecular weight of acid B can be derived as:

(iii) Acid B is monobasic and thus, B is CnH2n+1 COOH

(iv) Since, B is obtained by the action of A with NaOH followed with hydrolysis, so A is

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