In the reaction Zn + CuSO4 gives ZnSO4 + Cu, which species is oxidised?
Answer and explanation
Correct answer: A. Zn
- Step 1: Zinc loses two electrons to become Zn²⁺, so it is oxidised. Answer: Zn. Why not the others: Cu²⁺, SO4²⁻ and Cu don't fit.
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