Q. An organic compound $X$ when exposed to sunlight and air, slowly decomposes into a poisonous gas $Y$ and $HCl$. To prevent from decomposition $X$ is stored in dark brown coloured bottle and in $1 \%$ ethyl alcohol. This retards the decomposition and converts $Y$ into harmless $Z$. Identify $X, Y$ and $Z$
Haloalkanes and Haloarenes
Solution: