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AIIMS 2006
Exam
AIIMS
Year
2006
Subject
Chemistry
Chapter
Electrochemistry

AIIMS 2006 · Chemistry · Electrochemistry

The charge required for the reduction of 1 ~mol of MnO_4^ - to...

The charge required for the reduction of 1 mol1 \mathrm{~mol} of MnO4−\mathrm{MnO}_4^{-}to MnO2\mathrm{MnO}_2 is

Options

  1. A1 F1 \mathrm{~F}
  2. B3 F3 \mathrm{~F}
  3. C5 F5 \mathrm{~F}
  4. D6 F6 \mathrm{~F}.

Correct answer

B. 3 F3 \mathrm{~F}

Step-by-step solution

MnO4−+2H2O+3e−→MnO2+4\mathrm{MnO}_4^{-}+2 \mathrm{H}_2 \mathrm{O}+3 e^{-} \rightarrow \mathrm{MnO}_2+4OH−\mathrm{OH}^{-}ChargerequiredforthereductionofCharge required for the reduction of1  molof MnO4−\mathrm{~mol}_{\text{of } \mathrm{MnO}_4^{-}} to MnO2=3 F\mathrm{MnO}_2=3 \mathrm{~F}.
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