JEE · NEET Previous Year Question

A strong base can abstract an ‐hydrogen from

Topic: NEET PYQ

Answer: A. Full step-by-step solution below.

  1. Aketone
  2. Balkane
  3. Calkene
  4. Damine

Correct answer: A

Solution

(a) The base (OH‐) ion removes one of the ‐hydrogen atom (which is some what acidic) from aldehydes and ketones to form a carbanion or the enolate ion. The acidity of ‐hydrogen is due to resonance stabilization of enolate anion.

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