Question

What are the half-reactions for the reaction between iron sulfate heptahydrate and permanganate (MnO4-)?

A) FeSO4 + 7H2O → Fe(OH)3 + 7H+
B) Fe2(SO4)3 + 7H2O → Fe(OH)4 + 7H+
C) FeSO4 + 7H2O → Fe(OH)2 + 7H+ + MnO4-
D) Fe2(SO4)3 + 7H2O → Fe(OH)3 + 7H+ + MnO4-

Answer 1

The half-reactions for the reaction between iron sulfate heptahydrate and permanganate (MnO4-) are FeSO4 + 7H2O → Fe(OH)3 + 7H+ and MnO4- + 8H+ + 5e- → Mn2+ + 4H2O.

Step-by-step explanation:

The half-reactions for the reaction between iron sulfate heptahydrate and permanganate (MnO4-) are:

Oxidation half-reaction: FeSO4 + 7H2O → Fe(OH)3 + 7H+

Reduction half-reaction: MnO4- + 8H+ + 5e- → Mn2+ + 4H2O