Identify the correct resonance structures

Question:

Identify the correct resonance structures of carbon dioxide from the ones given

below :

(i) O – C ≡ O

(ii) O = C = O

(iii) –O ≡ C – O+

(iv) –O – C ≡ O+

Solution:

Option (ii) O = C = O  and (iv) –O – C ≡ O+ are the answers.

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