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In standard calomel electrode, for saturated KCL solution, electrode potential is __________

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In standard calomel electrode, for saturated KCL solution, electrode potential is __________

(a) 0.897V

(b) 0.456V

(c) 0.3512V

(d) 0.2415V

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This is a very interesting question from Types of Fuel Cells topic in portion Electro Chemical Cells and Corrosion of Applied Chemistry

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Right choice is (d) 0.2415V

For explanation: In standard calomel electrode, for saturated KCL solution, electrode potential is 0.2415V. The mercury of high purity is placed at the bottom of this tube.

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