A compound C (molecular formula, ) reacts with Na - metal to form a compound R and evolves a gas which burns with a pop sound. Compound C on treatment with an alcohol A in presence of an acid forms a sweet smelling compound S (molecular formula, ). On addition of NaOH to C, it also gives R and water. S on treatment with NaOH solution gives back R and A. Identify C, R, A, S and write down the reactions involved.
Since Compound C has two oxygen atoms it can be an ester or carboxylic acid.
Given that the gas evolved (on the reaction with sodium) burns with a pop sound in an indication that evolved gas is hydrogen.
Compound R is going to be a salt with sodium being the positive ion and the rest of the compound C which lost hydrogen must be negatively charged. This is only possible with carboxylic acid and not ester.
So C is carboxylic acid and based on number of carbons it is Ethanoic acid.
Compound C is
Compound R is .
Compound A is .
Compound S is
(C) (A) (R)