Question

2Cr(s) + 3Cu2+(aq) → 2Cr3+(aq) + 3Cu(s)

Which half reaction occurs at the cathode?

(1 point)


A. 2Cr(s) → 2Cr3+(aq) + 3e–
B. 3Cu2+(aq) + 2e– → 3Cu(s)
C. 2Cr(s) → 2Cr3+(aq) + 6e–
D. 3Cu2+(aq) + 6e– → 3Cu(s)
D. 3Cu2+(aq) + 6e– → 3Cu(s)

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