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The standard emf of the hydrogen-oxygen fuel is ____________

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The standard emf of the hydrogen-oxygen fuel is ____________

(a) 1V

(b) 1.23V

(c) 1.52V

(d) 2V

I have been asked this question in quiz.

My question comes from Biomass and Biofuel topic in chapter Non Conventional Energy Sources and Storage Devices of Applied Chemistry

1 Answer

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Correct answer is (b) 1.23V

Easy explanation: The standard emf of the hydrogen-oxygen fuel is 1.23 volts. A number of such fuel cells are stacked together in series to make a battery.

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