Use the galvanic cell reaction to answer the question.

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

Which half reaction occurs at the cathode? (1 point)

3Cu2+(aq) + 6e– → 3Cu(s)

2Cr(s) → 2Cr3+(aq) + 3e–

3Cu2+(aq) + 2e– → 3Cu(s)

2Cr(s) → 2Cr3+(aq) + 6e–