1.

Correct order for N-O bond length in the given species is underset(I)(NO) underset(II) (NO^(+)) underset(III)(NO_(2)^(-)) underset(IV)(NO_(3)^(-))

Answer»

`I LT II lt III lt IV `
`II lt I lt III lt IV`
`II lt III lt IV lt I`
`I lt III lt IV lt II`

ANSWER :B


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