The reaction of silver powder with chloroform produces $....$.

Acetylene reacts with $HCN$ in the presence of $Ba(CN)_2$ to yield

The electrolysis of aqueous potassium maleate gives which of the following products?

Which of the following compounds is capable of reacting with ammoniacal $AgNO_3$ solution?

$CH_3-CH_2-C \equiv CH \xrightarrow{R, H_2O} \text{Butanone}$. $R$ is:

The product $(C)$ of the above reaction is:
Maleic anhydride $\xrightarrow{H_3O^+}$ $(A)$ $\xrightarrow{NaOH}$ $(B)$ $\xrightarrow{\text{Kolbe electrolysis}}$ $(C)$