Karnataka Board PUCPUC Science 2nd PUC Class 12

How Much Charge is Required for the Following Reductions: - Chemistry

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How much charge is required for the following reductions: 1 mol of `MnO_4^(-)` to Mn2+.

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Solution

`MnO_4^(-) -> Mn^(2+)`

ie `Mn^(7+) + 5e^(-) -> Mn^(2+)`

∴ Required charge = 5 F

= 5 × 96487 C

= 482435 C

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Chapter 3: Electrochemistry - Exercises [Page 92]

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NCERT Chemistry Class 12
Chapter 3 Electrochemistry
Exercises | Q 12.3 | Page 92
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