When ethyl alcohol reacts with acetic acid,the products formed are

In the following sequence,products $I$,$J$ and $L$ are formed. $K$ represents a reagent.
$1.$ The structure of the product $I$ is
$2.$ The structures of compounds $J$ and $K$ respectively are
$3.$ The structure of product $L$ is
Give the answer for questions $1, 2$ and $3.$

$2,2-$ Dimethylpropanoic acid on heating with sodalime gives:

$A$ fruity smell is produced by the reaction of $C_2H_5OH$ with

Decarboxylation of isobutyric acid gives .....

In the following reaction,$X$ and $Y$ respectively are:
$C_2H_5OH$ $\xrightarrow{KMnO_4 / H^+} X$ $\xrightarrow{C_2H_5OH / H_2SO_4, \Delta} CH_3COOC_2H_5$