Chemistry - Aromatic Hydrocarbon Question with Solution | TestHub

In the following sequence of reactions the maximum number of atoms present in molecule$\text{C}$in${\text{sp}}^{\text{3}}$hybridised state is
$\text{A}\stackrel{\text{Red}\text{hot}\text{Cu}\text{tube}}{\to }\text{B}\underset{{\text{AlCl}}_{\text{3}}}{\overset{{\text{CH}}_{\text{3}}\text{Cl}\text{(1}\text{eq}\text{.)}}{\to }}\text{C}$
($\text{A}$is a lowest molecular weight alkyne)