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Resonance Effect

Which one in ...

Question

Which one in the following is not the resonance structure of $C O_{2}$ ?

O = C = O

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

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

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O \equiv C = O

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Solution

The correct option is D $O \equiv C = O$
Carbon dioxide, has three resonance structures, out of which one is a major contributor. The $C O_{2}$ molecule has a total of 16 valence electrons , 4 from carbon and 6 from each oxygen atom.

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Similar questions

C O_{2}

I . H N = C = O \leftrightarrow H - O - C \equiv N

I I . ¯ N = C = O \leftrightarrow N \equiv C - O^{-}

I I I . C H_{3} - O | | C - ¯ C H_{2} \leftrightarrow C H_{3} -^{-} C = C H_{2}

I V . C H_{3} - O | | C - C H_{3} \leftrightarrow C H_{3} - O H | C = C H_{2}

I . H N = C = O \leftrightarrow H - O - C \equiv N

I I . ¯ N = C = O \leftrightarrow N \equiv C - O^{-}

I I I . C H_{3} - O | | C - ¯ C H_{2} \leftrightarrow C H_{3} -^{-} C = C H_{2}

I V . C H_{3} - O | | C - C H_{3} \leftrightarrow C H_{3} - O H | C = C H_{2}

C H_{3} C O C H_{3} + 2 O_{2} \to C H_{3} C O O O H + C O_{2} + H_{2} O

C - H

C - C

C = O

O = O

O - H

C - O

- C O O H

C O_{2}

H - O | | C - O H \leftrightarrow H - O^{-} | C = + O H \leftrightarrow H -^{-} O - H \leftrightarrow H -^{+} O - H

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I I

I I I

I V

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