Answer to Question #121409 in Inorganic Chemistry for moreen

Question

Consider the standard voltaic (or galvanic) cell: Fe,Fe2+ versus Au,Au3+. Which answer identifies the cathode and gives the Eo for the cell?

A. Fe, -0.44 V
B. Au, 1.94 V
C. Fe, 1.06 V
D. Au, 1.06 V

Question 2

What is the value of E for the half-cell?

MnO4- (0.010 M) + 8H+ (0.20 M) + 5e- Mn2+ (0.020 M) + 4H2O?

A. 1.50 V
B. 1.86 V
C. 1.44 V
D. 1.58 V

Answer 1

Question 1. D. Au, 1.06 V

Question 2. C. 1.44 V