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12th Class Chemistry Sample Paper Chemistry Sample Test Paper-2

  • question_answer
      Arrange the following compounds in increasing order of their reactivity in nucleophilic addition reactions. Ethanal, propanal, propanone, butanone                                                                                                                       [1]

    Answer:

      Greater the number of groups attached, greater the steric effect, hence smaller the reactivity of carbonyl compounds in nucleophilic addition reactions. Thus, butanone < propanone < propanal < ethanal  [1]


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