alleryStart learning →In sodium chloride, the oxidation numbers of sodium and chlorine are:
APlus 1 and minus 2
BPlus 1 and minus 1
CPlus 2 and minus 2
DMinus 1 and plus 1
Answer & Solution
Correct answer: B. Plus 1 and minus 1
1. Sodium forms a cation and chlorine an anion.
2. Each carries a single charge.
3. So they are plus 1 and minus 1.
_Source: OpenStax Chemistry 2e, Chapter 17, Electrochemistry._
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