Reaction of Grignard reagent, ${\mathrm{C}}_2{\mathrm{H}}_5\mathrm{MgBr}$ with ${\mathrm{C}}_8{\mathrm{H}}_8\mathrm{O}$ followed by hydrolysis gives compound $\mathrm{A}$, which reacts instantly with Lucas reagent to give compound $\mathrm{B}\left({\mathrm{C}}_{10}{\mathrm{H}}_{13}\mathrm{Cl}\right).$
The Compound $\mathrm{B}$ is:

Consider the above chemical reaction and identify product $\mathrm{A}$

Considering the above chemical reaction, identify the product $\mathrm{X}:$

In the above reaction, the structural formula of (A), "X" and "Y" respectively are :

The product "A" in the above reaction is:

In the above reaction, the reagent "$A$" is :

The product "$\mathrm{P}$" in the above reaction is :