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Question: Answered & Verified by Expert
Arrange the following compounds in increasing order of their reactivity in nucleophilic addition reactions.
Ethanal, Propanal, Propanone, Butanone
ChemistryAldehydes and KetonesNEET
Options:
  • A Butanone < Propanone < Propanal < Ethanal
  • B Propanone < Butanone < Ethanal > Propanal
  • C Propanal < Ethanal < Propanone < Butanone
  • D Ethanal < Propanal < Propanone < Butanone
Solution:
2522 Upvotes Verified Answer
The correct answer is: Butanone < Propanone < Propanal < Ethanal
The increasing order of their reactivity in nucleophilic addition reactions can be given as
Butanone < Propanone < Propanal < Ethanal.
As reactivity decreases with increase in the size of alkyl group which hinders the incoming nucleophile.

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