Question

Arrange the given compounds in decreasing order of their reactivity towards cannizzaro reaction.

• A. a > b > c > d
• B. c > d > a > b
• C. c > d > b > a
• D. d > c > b > a

Answer 1

The correct option is C c > d > b > a

More is the $\delta +$ charge on carbonyl carbon, more will be the reactivity. Electron withdrawing groups attached with the ring inhance $\delta +$ charge on carbon.
Hence the correct order is: