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3.12 Consider the reaction:
What is the quantity of electricity in coulombs needed to reduce 1 mol of ?
Answers (1)
It is clear from the given reaction that reduction of 1 mol of Cr2O72- will be
= 6 F (as 6 electrons are required to balance the reaction; Charge required = nF)
Thus 578922 C charge is required for reduction of 1 mol of Cr2O72- .
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