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Per NCERT §7.2.1, in Zn(s) + Cu²⁺(aq) → Zn²⁺(aq) + Cu(s), which acts as the reducing agent?
AZn
BCu²⁺
CCu
DZn²⁺
Answer & Solution
Correct answer: A. Zn
NCERT §7.2.1: Zn donates e⁻ → Zn²⁺ + 2e⁻, reducing Cu²⁺ to Cu. Blue colour disappears.
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