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Question
In the following resonating structures A and B, the number of unshared electrons in valence shell present on oxygen respectively are ______.
Options
2, 4
2, 6
4, 6
6, 4
Solution
In the following resonating structures A and B, the number of unshared electrons in valence shell present on oxygen respectively are 4, 6.
Explanation:
In structure (A), the oxygen atom has two lone pairs of electrons, which means there are 4 unshared electrons.
In structure (B), the oxygen atom has three lone pairs of electrons, totalling 6 unshared electrons.
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