Question

A compound A (C2H4O2) reacts with Na metal to form a compound B and evolves a gas which burn with a pop sound Compound A' on treatment with an alcohol C" in presence of an acid forms a Sweet smelling compound D (C4H8O2) On addition of NaOH to D' gives back B and C. Identify A. B, C and D write the reactions involved.

Answer 1

P is ethanol that is a constituent of wine.

It gets oxidised with acidified KMnO4 to form acetic acid.

Answer 2

2CH3COOH + 2Na -----> 2CH3COONa

(A) (B)

+H2O

CH3COOH + C2H5OH -----> CH3COOC2H5

(C) (D)

+H2O

CH3COOC2H5 + NaOH -----> Acid C2H4OH +CH3COONa

A-CH3COOH

B-CH3COONa

C-C2H5OH

D-CH3COOC2H5

Hope it helps you