Three faradays of electricity was passed through an aqueous solution of iron (II) bromide. The mass of iron metal (at mass 56) deposited at the cathode is:
A. 56
B. 84
C. 112
D. 168

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1 Answers

Correct Answer - A
`Fe^(2+) + 2e^(-) to Fe` , i.e., 2 F deposit Fe = 56 g .

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