Per NCERT §7.3 (definitions revised), OXIDATION in terms of oxidation number means which change?
AAlways becomes +1
BDecrease in oxidation number
CNo change
DIncrease in oxidation number
Answer & Solution
Correct answer: D. Increase in oxidation number
NCERT §7.3: oxidation = ON increases; reduction = ON decreases. Generalises beyond electron transfer.
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