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In which of the followig pairs II^(nd) c...

In which of the followig pairs `II^(nd)` compound has less resonance energy:

A

`CO_(3)^(2-)&HCOO^(-)`

B

C

`overset(..)(N)=CH-underset(..)overset(ɵ)(N)H&CH_(2)=CH-underset(..)overset(ɵ)(N)H`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
A, C
(A). In `CO_(3)^(-2)` three equivalent resonating structures are formed and in `H-overset(O)overset(||)(C)-O^(-)` only two equivalent resonating structure formed.
(C) First compound has equivalent resonance.
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