posted by Mike .
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)