Increasing order of equilbrium constant for the formation of a hydrate is :

Options

A. `I lt ii lt iii lt iv`
B. `iv lt ii lt I lt iii`
C. `ii lt iv lt iii lt i`
D. `iv lt ii lt iii lt i`

Answer

A

Explanation

i - least reactive since it has strong electron donating group that stabilize carbonyl group. ii - has electron donating group that indirectly stabilize the carbonyl carbon. iv - has withdrawing group that destabilize the carbonyl carbon most reactive