Many Nucleophilic Addition Reactions of Aldehydes and Ketones Are Catalyzed

question 4

Multiple Choice

Many nucleophilic addition reactions of aldehydes and ketones are catalyzed by acid or base. Bases catalyze hydration by:

• A) making the carbonyl group more electrophilic
• B) shifting the equilibrium of the reaction
• C) making the carbonyl group less electrophilic
• D) converting the water to hydroxide ion, a much better nucleophile

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