What are $X$ and $Y$ respectively in the following reactions?
$X + 2D_2O \rightarrow C_2D_2 + P$
$Y + 12D_2O \rightarrow 3CD_4 + Q$

The reaction $Ph-C \equiv CH \xrightarrow[{(2)\,H_2O_2/OH^{-}}]{{(1)\,BH_3.THF}}$ Product; the product is

An unknown compound $X$ is an unsaturated hydrocarbon. It reacts with $HgSO_4$ and $H_2SO_4$ to give compound $(B)$. Compound $(B)$ on oxidation gives compound $(C)$. Compound $(C)$ on reaction with $NaOH$ and soda lime gives methane. Identify $A$ (which is $X$),$B$,and $C$ by providing the chemical reactions.

Ethene can be separated from acetylene by passing the mixture through :

Identify the major product of the following reaction:

Acetylene gives