Find the number of carbon atoms includin...

Find the number of carbon atoms including the given structure which can have negative charge in resonating structures. (The structures with charge separation are not accptable)

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The correct Answer is:

The negative charge is delocalised on the marked carbon atoms (1 - 7).

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Resonating structures of molecules have :

identical bonding

different bonding

identical arragement of atoms and nearly same energies

the different number of paired and unpaired electrons

All of these

`CH_(2)=CH-overset(oplus)(C)H-overset(ө)(C)H-ddot(N)H_(2)`

`overset(ө)H_(2)-overset(oplus)(C)H-CH=CH-ddot(N)H_(2)`

`overset(ө)H_(2)-CH=CH-CH=overset(oplus)(N)H_(2)`

`CH_(2)=CH-overset(ө)H-CH=overset(oplus)(N)H_(2)`