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Consider the reaction : Cr(2)O(7)^(2-)...

Consider the reaction :
`Cr_(2)O_(7)^(2-)+14H^(+)+6e^(-) to 2Cr^(3+)+7H_(2)O`
What is the quantity of electricity in coulombs needed to reduce 1 mole of `Cr_(2)O_(7)^(2-)` ions ?

Text Solution

Verified by Experts

From the given reaction, 1 mol fo `Cr_(2)O_(7)^(2-)` ions require `6F=6xx96500C=579000C` of electricity for reduction to `Cr^(3+)`.
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