Concept explainers
Interpretation:
Resonance structure of
Concept introduction:
A Resonance structure is the two or more correct Lewis structures which indicate a single molecule or ion. These structures differ only in electron pairs position. The location of atom is same in resonance structure.

Answer to Problem 103A
Two resonance structure of
Explanation of Solution
Resonance is a condition for those molecules which have more than one valid Lewis structure. The
have two possible Lewis structure. In these structure only position of double bond and electron pairs are different. Valence electron of O is 6, C is four, hydrogen is 1 and one more electron due to negative charge. Total number of valence electron is 18. To complete octet, C forms a double bond with any of one oxygen atoms. Hence, the resonance structure is as follows:
The above two structure represents
Each molecule or ion that undergoes resonance behaves as if it has only one structure.
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