How many of the following are the CORRECT expressions to calculate the e.m.f. of a cell? (1) E_ cell =E_ oxi...

Question

How many of the following are the CORRECT expressions to calculate the e.m.f. of a cell? (1) E_ cell =E_ oxi ( anode )+E_ red ( cathode ) (2) E_ cell =E_ red ( anode )-E_ red ( cathode ) (3) E_ cell =E_ oxi ( anode )-E_ oxi ( cathode ) (4) E_ cell =E_ red ( cathode )-E_ red ( anode ) (5) E_ cell =E_ red ( cathode )+E_ red ( anode ) (6) E_ cell =E_ oxi ( anode )+E_ oxi ( cathode )

Accepted Answer

3

JEE Main Chemistry question

Solution

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