1.

The correct order of stability of the following resonance structures is(I) H_(2)C = overset(+)(N)= overset(-)(N) ""(II)H_(2)overset(+)(C )-N = overset(-)(N)(III) H_(2)overset(-)(C )-overset(+)(N)-=N ""(IV)H_(2)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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