Multiple Choice
Which one of the following pairs of substances could be used to construct a single redox electrode (i.e., they have an element in common, but in different oxidation states) ?
A) HCl and Cl-
B) H+ and OH-
C) H2O and H+
D) Fe3+ and Fe2O3
E) MnO2 and Mn2+
Correct Answer:

Verified
Correct Answer:
Verified
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