Use the galvanic cell reaction to answer the question.

Question

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

Which half reaction occurs at the cathode?

(1 point)
Responses

2Cr(s) → 2Cr3+(aq) + 6e–
2Cr( s ) → 2Cr 3+ ( aq ) + 6e –

2Cr(s) → 2Cr3+(aq) + 3e–
2Cr( s ) → 2Cr 3+ ( aq ) + 3e –

3Cu2+(aq) + 6e– → 3Cu(s)
3Cu 2+ ( aq ) + 6e –  → 3Cu( s )

3Cu2+(aq) + 2e– → 3Cu(s)

Answer 1

3Cu2+(aq) + 2e– → 3Cu(s)