1.

The stability order of the following resonance structures is

Answer»

`III lt II lt I `
`II gt I gt III`
`II lt I lt III`
`II gt II gt I`

SOLUTION :(I) A NEUTRAL STRUCTURE, which has COMPLETE octet is most stable resonatingstructure.
since, more electronegative atom consist negative charge. Hence, (II) is more stable as compared ot (III).
`therefore` Stability order `rarr III lt II lt I `
Hence, option (a) is CORRECT .


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