

McqMate
Q. |
All electrode potentials are measured with respect to which reference electrode? |
A. | hydrogen electrode |
B. | platinum electrode |
C. | calomel electrode |
D. | hydrogen absorbed on platinum electrode |
Answer» D. hydrogen absorbed on platinum electrode | |
Explanation: All electrode potentials are measured with respect to a reference electrode, usually that of hydrogen absorbed on platinum black. Thus, considering potential of hydrogen absorbed on platinum electrode to be zero, other all have positive of negative potentials. |
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