In the following reaction: $CH_3COOH \xrightarrow{SOCl_2}$ Product. The structure of the main product is:

Identify the products of the following reaction:
$C_6H_5COOC_2H_5 \xrightarrow{\text{dil. } H_2SO_4} ?$

Heating chloroform with aqueous sodium hydroxide solution forms:

How many of the following compounds react with $NaHCO_3$ to evolve $CO_2$ gas?
$I$: $3$-Nitrophenol
$II$: $2,4$-Dinitrophenol
$III$: $4$-Hydroxybenzoic acid
$IV$: $4$-Methylbenzoic acid
$V$: $4$-Chlorophenol
$VI$: $2,4$-Dinitrotoluene
$VII$: $4$-Hydroxybenzenesulfonic acid
$VIII$: $4$-Sulfobenzoic acid
$IX$: Squaric acid
$X$: Maleic acid

Which compound from the following has the highest boiling point?

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