Redox Reactions And Electrochemistry Ques 767
Question: What are the oxidation numbers of carbon in HCN, CO, HNC, respectively-
Options:
A) 3, 3, 3
B) 3, 2, -3
C) 2, 2, 2
D) 3, 2, 2
Show Answer
Answer:
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.
