In the presence of an acid,the hydrolysis of methyl cyanide gives:

Identify the product formed in the following reaction.
$C_6H_5-CH_2-CH_3 \xrightarrow[\text{ii) } H_3O^{+}]{\text{alk. } KMnO_4} \text{product}$

In the reaction $CH_3CN \xrightarrow{H_3O^+, \text{heat}} CH_3COOH$,what is the change in the hybridization state of the functional carbon atom?

The acid formed when propyl magnesium bromide is treated with carbon dioxide is:

What is $C$ in the following sequence of reaction?
$CH_3OH$ $\xrightarrow{PCl_3} A$ $\xrightarrow{KCN} B$ $\xrightarrow{\text{Hydrolysis}} C$

Toluene on reaction with reagent $A$ gives $X$. This $(X)$ forms $2,4-$dinitrophenylhydrazone and reduces ammonical silver nitrate solution. Reaction of toluene with another reagent $B$ forms $Y$,which dissolves in $NaHCO_3$ with evolution of $CO_2$. What are $A$ and $B$ respectively?