Question

Arrange the following compounds in the increasing order of nucleophillic addition reaction:
I. `HCHO`
II. `CH_(3)COCH_(3)`
III. `C_(6)H_(5)COCH_(3)`
IV. `C_(6)H_(5)COC_(6)H_(5)`
A. `I lt II lt III lt IV`
B. `IV lt III lt II lt I`
C. `IV lt II lt III lt I`
D. `III lt IV lt II lt I`

Answer 1

Correct Answer - B
Steric hinderance decreases the rate of reaction. This steric hinderance is minimum in methanal and maximum in benzophenone.