An organic compound ‘X’ with a molecular formula

An organic compound ‘X’ with a molecular formula $C_{2}H_{6}O$ undergoes oxidation with alkaline $KMn{{O}{4}}$ and forms the compound 'Y, that has molecular formula
$C
{2}H_{4}O_{2}$
a) Identify ‘X’ and Y.
b)Write your observation regarding the product when the compound ‘X’ is made to react with compound ‘Y’ which is used as a preservative for pickles.

b)X is Ethanol
Preservative in pickles means acetic acid .
Ethanol reacts with acetic acid gives sweet smelling substance called ester.