A) 3, 3, 3
B) 3, 2, -3
C) 2, 2, 2
D) 3, 2, 2
Correct Answer: C
Solution :
[c] The oxdation number can be obtained when we write their structures.
In the coordinate bond, no charge transfers considered if donor is more electronegative than the acceptor atom. Bond breaking, as shown, indicates a +2 charge on carbon in all cases.
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