1.

Amongst the given structures , which are permissible resonance forms ?A. `overset(+)(C)H-underset(CH_(3))underset(|)(N)-underset(..)overset(..)(O)^(-)`B. `CH_(2)=underset(CH_(3))underset(|)(N)=underset(..)(O: )`C. `CH_(2)=underset(CH_(3))underset(|)overset(+)(N)-overset(..)underset(..)(O: )`D. `overset(-)( :C)H_(3)-underset(CH_(3))underset(|)overset(+)(N)=underset(..)(O: )`

Answer» Correct Answer - B
The structure shown in (b) has 10 electrons surrounding nitrogen, but the octet rule limits nitrogens to 8 electrons.


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