MDCAT Chemistry MCQ #395

Why is a base catalyst used in the addition of weak nucleophiles like water or alcohols to aldehydes and ketones?

MDCAT Chemistry MCQ #395

  1. Question 1

    Q1. Why is a base catalyst used in the addition of weak nucleophiles like water or alcohols to aldehydes and ketones?

    • A) Increase the electrophilic character of the carbonyl carbon
    • B) Increase the nucleophilic character of the attacking reagent
    • C) Stabilize the transition state through hydrogen bonding
    • D) Prevent the reversal of the addition reaction

    Answer: Increase the nucleophilic character of the attacking reagent

    Explanation: Base catalysts increase the nucleophilic strength of the reagent by removing a proton. Option A describes the acid-catalyzed goal.