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Question 790003
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Aldehydes, Ketones and Carboxylic Acids: Nucleophilic addition MCQ

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Nucleophilic additionEasyQuestion 790003

Question

Nucleophilic addition to carbonyl groups occurs because the carbonyl carbon is:
  1. A
    Electrophilic (δ⁺) due to C=O polarisation
    Correct
  2. B
    Nucleophilic
  3. C
    Neutral
  4. D
    Negatively charged

Correct answer

Electrophilic (δ⁺) due to C=O polarisation

Explanation

O is more electronegative than C → C=O is polarised with δ⁺ on C and δ⁻ on O. Nucleophiles attack the electrophilic carbonyl carbon.

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