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  4. The amount of charge in F (Faraday) required to obtain one mole of iron from Fe 3 O 4 is . (Nearest Integer)

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Q. The amount of charge in F (Faraday) required to obtain one mole of iron from Fe3O4 is _______ . (Nearest Integer)

JEE MainJEE Main 2022Electrochemistry

Solution:

Fe3O4+8e−→3Fe
Charge for 1 mole Fe=8/3F
=2.67F