1.

The correct stability order of the following resonating structure is : underset("(I)")(H_(2)C=overset(+)N=overset(-)N)""underset("(II)")(H_(2)overset(+)C-N=overset(-)N)""underset("(III)")(H_(2)overset(-)C-overset(+)N-=N)""underset("(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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