By heating a mixture of $CHCl_3$ with silver powder,the compound formed is

What is the product obtained upon hydrogenation of the following compound in the presence of a poisoned palladium catalyst?

Acetylene is prepared industrially by passing electric discharge through graphite electrodes in the atmosphere of

$X$ (Symmetrical alkyne) $\xrightarrow{Hg^{2+}/H_3O^{+}}$ $2-$butanone. Which compound reacts with $Ag$ powder to give $X$?

$A$ compound is treated with $NaNH_2$ to give a sodium salt. Identify the compound.

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