Which equation represents the reduction half-reaction for this redox equation?

Mg + CuSO4 MgSO4 + Cu

A. Cu Cu

B. Cu + 2e - Cu

C. Cu Cu + 2e-

D. Cu + 3e - Cu,

Question

Marco Banks

Chemistry

6 July, 13:08

Which equation represents the reduction half-reaction for this redox equation?

Mg + CuSO4 MgSO4 + Cu

A. Cu Cu

B. Cu + 2e - Cu

C. Cu Cu + 2e-

D. Cu + 3e - Cu,

+2

Answers (1)

Know the Answer?

Gustavo Day · Answer 1

The oxidation state of Copper here will be 2 + because of the sulfate moiety (2-). The correct answer therefore should be C, Cu to Cu + 2e-. The 2 + oxidation state results in 2 free electrons on the right side of the equation, a reduction.

Which equation represents the reduction half-reaction for this redox equation?Mg + CuSO4 MgSO4 + CuA. Cu CuB. Cu + 2e - CuC. Cu Cu + 2e-D. Cu + 3e - Cu,

Which equation represents the reduction half-reaction for this redox equation?

Mg + CuSO4 MgSO4 + Cu

A. Cu Cu

B. Cu + 2e - Cu

C. Cu Cu + 2e-

D. Cu + 3e - Cu,