Consider the reaction. Zn times s plus Cu raised to the 2 plus power times A q rightarrow Zn raised to the 2 plus power times A q plus Cu times s Which half reaction correctly describes the oxidation that is taking place?

Oxidation is the loss of electrons. In the reaction, zinc changes from neutral Zn(s) to Zn²⁺(aq), so it loses two electrons: Zn(s) → Zn²⁺(aq) + 2e⁻. This is choice B; choice D has the wrong number of electrons.

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