When acetylene reacts with $HCl$ in the presence of $HgCl_2$,the product formed is.........

How many carbons are in the simplest alkyne having two side chains?

$1$-Alkyne and $2$-alkyne can be distinguished by

What is obtained when chloroform is heated with $Ag$ powder?

Assertion : Acetylene on reacting with sodamide gives sodium acetylide and ammonia.
Reason : $sp$ hybridised carbon atoms of acetylene are considerably electronegative.

In the given reaction $x$ is:
$CH_3 - C \equiv CH$ $\xrightarrow{Excess\ HCl} (A)$ $\xrightarrow{H_2O/OH^{-}} (x)$