Assertion The `d_(C-O)` in bridging carbonyl geroup is longer than that of terminal carbonyl group
Reason With increase in extent of synergic bonding the `C-O` bond length increases .
A. If both `(A)` and ` (R )` are correct and `(R )` is the correct explanation of `(A ) ` .
B. If both `(A)` and ` (R )` are correct and `(R )` is the correct explanation of `(A ) ` .
C. If`(A)` is correct, but `( R )` is incorrect .
D. Both `(A)` and `(R ) ` are incorrect .