See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

CHO OCH3 CHO Cl CHO NO2 CHO N(CH3)2 CHO OH CHO C N (A) (B) (C) (D) (E) (F) EDG EDG EDG EWG EWG EWG EWG groups increase reactivity of aldehyde towards nucleophilic addition. So, molecules B, C, F will be more reactive than CH3 OHC