See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

        3 2 2 2 CH CH CH Cl (i) Li 3 3 3 2 2 3 (ii) Cul 3 3 3 SN CH C Cl CH C CuLi CH C CH CH CH         CH3 CH2 CH2 C H3 CH Br CH3 CH3 (E2) alc KOH CH3 CH2 CH C H3 CH CH3 CH3 W X Z Y