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How many electrons would reflect in the ...

How many electrons would reflect in the nernst equation of the conversion of one mole of `Mn_3O_4` in the `MnO_2` ?

Text Solution

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The correct Answer is:
D
`Mn_3 O_4 overset(4e^(-)//4F) to 3MnO_2 + 4 , (4-(8)/(3)) xx 3 = (12.8 xx 3)/(3) =4 `
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One mole of a mixture of CO and CO_(2) requires exactly 20g of NaOH is solution for complete conversion of alll the CO_(2) into Na_(2)CO_(3) . How many more grams of caustic soda would be required for the conversion of one mole of the totally oxidised form of given mixture.

What is the quantity of charge needed for the reduction of 1 mole of MnO_4^(-) ion to Mn^(2+) ion ?

Knowledge Check

  • How many mole of electrons are involved in the reduction of one mole of MnO_(4)^(-) ion in alkaline medium to MnO_(3)^(-) ?

    A
    2
    B
    1
    C
    3
    D
    4

  • How many coulombs of electricity are required for the reduction of 1 mol of MnO_4^(-) " to " Mn^(2+) ?

    A
    96500 C
    B
    `1.93 xx 10^(5) C`
    C
    ` 4.83 xx 10^(5) C `
    D
    `9.65 xx 10^(6) C `

  • The charge required for the oxidation of one mole of Mn_3O_4 " to " MnO_4^(2-) in alkaline medium is_____

    A
    10
    B
    5
    C
    3.34
    D
    2

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