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)
1 answer
D. 3Cu2+(aq) + 6e– → 3Cu(s)
1 answer