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KCET2025ChemistryAldehydes and Ketones

Arrange the following compounds in their decreasing order of reactivity towards Nucleop addition reaction. CH ₃ COCH ₃, CH ₃ COC ₂ H ₅, CH ₃ CHO

Options

  1. ACH ₃ CHO CH ₃ COCH ₃ CH ₃ COC ₂ H ₅
  2. BCH ₃ COCH ₃ CH ₃ CHO CH ₃ COC ₂ H ₅
  3. CCH ₃ COC ₂ H ₅ CH ₃ COCH ₃ CH ₃ CHO
  4. DCH ₃ CHO CH ₃ COC ₂ H ₅ CH ₃ COCH ₃

Correct answer

A. CH ₃ CHO CH ₃ COCH ₃ CH ₃ COC ₂ H ₅

Step-by-step solution

NAR reactivity Positive charge Nucleophilic centre Steric hindrance at Nucleophilic centre

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