Question

What is the balanced oxidation half-reaction from the redox reaction below?

Fe + CuSO4 --> Cu + Fe(SO4)3

2 Fe yields 2 Fe2+ + 4e-
2 Fe2+ + 6e- yields Fe
Fe yields 2Fe3+ + 6e-
2 Fe yields 2Fe3+ + 6e-

i need help i think its either A or D

Answer 1

I believe it to be D.

2*3 = 6 e- is correct