Aldehydes and Ketones - Result Question 73

####84. Arrange the following in order of their increasing reactivity towards HCN :

CH3CHO,CH3COCH3,HCHO,C2H5COCH3

(1985, 1M)

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Solution:

  1. Steric hindrance at carbonyl carbon determine the reactivity towards nucleophilic addition reaction. Greater the steric hindrance, smaller the reactivity.

C2H5COCH3<CH3COCH3<CH3CHO<HCHO



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