Give the structures of A, B and C in the following reactions: (b) CH_3- Cl → KCN A → LiAlH_4 B →[Δ] CHCl_3+ alc. KOH C

Give the structures of $\displaystyle \mathrm{A}, \mathrm{B}$ and C in the following reactions :

$\displaystyle \mathrm{CH}_{3}-\mathrm{Cl} \xrightarrow{\mathrm{KCN}} \mathrm{A} \xrightarrow{\mathrm{LiAlH}_{4}} \mathrm{~B} \xrightarrow[\Delta]{\mathrm{CHCl}_{3}+\text { alc. } \mathrm{KOH}} \mathrm{C}$