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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 |
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Answer» The correct choice is (d) hydrogen absorbed on platinum electrode The explanation is: 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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