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For a single atom ion, the oxidation number equals the:
ACharge on it
BChange in it
CChain of it
DChoice of it
Answer & Solution
Correct answer: A. Charge on it
1. A sodium ion carries plus one.
2. A chloride ion carries minus one.
3. It equals the charge on the ion.
_Source: NCERT Class 11 Chemistry, Unit 7 'Redox Reactions'_
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