Refer to the Figure Below, Which Shows a Series of Coupled

Multiple Choice

Refer to the figure below, which shows a series of coupled reactions. Which terms belong in the numbered boxes?

A) 1 = reduction; 2 = reduction; 3 = oxidation; 4 = oxidation
B) 1 = oxidation; 2 = oxidation; 3 = reduction; 4 = reduction
C) 1 = reduction; 2 = oxidation; 3 = reduction; 4 = oxidation
D) 1 = oxidation; 2 = reduction; 3 = oxidation; 4 = reduction
E) 1 = oxidation; 2 = reduction; 3 = reduction; 4 = oxidation