An organic compound A (molecular formula C2H402) reacts with Na metal to form a compound B and evolves a gas which burns with a pop sound. Compound A on treatment with an alcohol C in the presence of a little of concentrated sulphuric acid forms a sweet-smelling compound D (molecular formula C3H602). Compound D on treatment with NaOH solution gives back B and C. Identify A, B, C and D.

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1 Answers

A is ethanoic acid, CH3COOH

B is sodium ethanoate, CH3COONa

C is methanol, CH3OH

D is methyl ethanoate, CH3COOCH3

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