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  •  Which one in the following is not the resonance structure of Option: 1

 Which one in the following is not the resonance structure of \mathrm{CO}_{2}

Option: 1

O=C=O


Option: 2

{ }^{-} O-C \equiv O^{+}


Option: 3

{ }^{+} O\equiv C-O^{-}


Option: 4

O\equiv C=O


Answers (1)

best_answer

The incorrect resonating structure of CO_2 is  O\equiv C=O

The carbon and oxygen atom (on the left) has an over expanded octet which is not possible due to unavailability of vacant d orbitals .

Hence, the correct answer is Option (4)

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Pankaj

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