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BITSAT2013ChemistryAldehydes and KetonesActual

Nucleophilic addition reaction will be most favoured in

Options

  1. A( CH ₃ )₂ C = O
  2. BCH ₃ CH ₂ CHO
  3. CCH ₃ CHO

Correct answer

C. CH ₃ CHO

Step-by-step solution

Aldehydes are more reactive than ketones due to + I effect of - CH ₃ group. There are two - CH ₃ group in acetone which reduces +ve charge density on carbon atom of carbonyl group. More hindered carbonyl group becomes less reactive. So in the given case CH ₃ CHO is the right choice.

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