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To reduce 1 mol Cr(2)O(7)^(2-) to Cr^...

To reduce 1 mol `Cr_(2)O_(7)^(2-)` to `Cr^(3+)` , find the amount of electricity required ?

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`Cr_(2)O_(7)^(2-)+14H^(+)+6erarr2Cr^(3+)+7H_(2)O`
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