Chemistry

Maggie Walter

12 July, 21:25

Given the balanced ionic equation:

Zn (s) + Cu2 + (aq) → Zn2 + (aq) + Cu (s)

Which equation represents the oxidation half reaction?

(1) Zn (s) + 2e - → Zn2 + (aq)

(2) Zn (s) → Zn2 + (aq) + 2e-

(3) Cu2 + (aq) → Cu (s) + 2e-

(4) Cu2 + (aq) + 2e - → Cu (s)

+1

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