1.

Which will be the least stable resonating structure ?

Answer»

`CH_(2) = CH - overset(OPLUS)CH - overset(Theta)CH-NH_(2)`
`CH_(2) - underset(oplus)CH-CH=CH-NH_(2)`
`overset(oplus)CH_(2)-CH=CH-CH=overset(oplus)NH_(2)`
`CH_(2) = CH - overset(Theta)CH - CH = overset(oplus)NH_(2)`

Solution :In Structure ONE the opposite charges are PRESENT on adjacement atoms and both are in conjugation


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