See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

C H3 C H O  Ph CH2 C H O dil NaOH    Aldol C H3 CH CH2 C H OH O   2 Products Ph CH2 CH CH C Ph OH H O   4 Products H C CH2 CH CH2 OH Ph O   2 Products H3C CH CH C H O OH Ph   4 Products  X = 12 and hence X 12