1.

The correct stability order of the following resonance structures is underset((I))(H_2C = overset(+)N = overset(-)(N)) underset((II))(H_2overset(+)C-N= overset(-)(N)) underset((III))(H_2overset(-)(C)-overset(+)N -=N) underset((IV))(H_2C overset(-)C-N = overset(+)(N))

Answer»

`I GT II gt IV gt III`
`I gt III gt II gt IV`
`II gt I gt III gt IV`
`III gt I gt IV gt II`

ANSWER :B


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