The reaction $2CH_3COOC_2H_5 \xrightarrow{C_2H_5ONa} CH_3COCH_2COOC_2H_5 + C_2H_5OH$ is called:

Identify the final product $D$ in the given reaction sequence:
$CH_3CH_2Cl$ $\xrightarrow{Aq. KOH} A$ $\xrightarrow{PCC} B$ $\xrightarrow{Cl_2/NaOH} C$ $\xrightarrow{Acetone} D$
Product $D$ is known as:

The most reactive compound towards the formation of cyanohydrin on treatment with $KCN$ followed by acidification is:

$A$ and $B$ in the following reaction are :-

Identify $A$ and $B$ in the given chemical reaction sequence :-

The number of products obtained in the following reaction is: