In aldol condensation, the nucleophile is _.
Correct answer: C. Carbanion
- A. Hydroxyl ion
- B. Carbocation
- C. Carbanion
- D. Water
Explanation
The reaction mechanism below shows that the carbanion is the nucleophile of the reaction:
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About Nucleophilic Addition Reactions
Nucleophilic addition occurs at the polar carbonyl group of aldehydes and ketones, where a nucleophile attacks the electron-deficient carbon atom. Reactions with hydrogen cyanide, sodium bisulfite, alcohols and Grignard reagents are explained through tetrahedral intermediates, acid or base catalysis, and the different reactivity of aldehydes and ketones.
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