Question

Base your answer on the following redox reaction, which occurs spontaneously in an electrochemical cell. Zn + Cr3+ --> Zn2+ + Cr
Write the half-reaction for the reduction that occurs.

Zn(s) --> Zn^2+(aq) + 2e^- (Oxidation half reaction)

Cr^3+(aq) + 3e^- --> Cr(s) (Reduction half reaction)

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