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in neutral or faintly alkaline solution, 8 moles of permanganate anion quantitatively oxidize thiosulphate anions to produce X moles of a sulphur containing product. The magnitude of X is

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The correct Answer is:
6
`8MnO_(4)^(-)+3S_(2)O_(3)^(2-)+H_(2)O rarr8MnO_(2)+6SO_(4)^(2-)+2OH^(-)`
`:.` moles of `SO_(4)^(2-)` formed from 8 moles of `MnO_(4)^(-)`
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In neutral or faintly alkaline solution, 8 moles of permanganate anions to produce X moles of a sulphur containing product. The magnitude of X is ……

MnO_(4)^(-) ions are reduced in acidic conditions to Mn^(2+) ions whereas they are reduced in neutral condition to MnO_(2) . The oxidation of 25 mL of a solution x containing Fe^(2+) ions required in acidic condition 20 mL of a solution y containing MnO_(4) ions. What value of solution y would be required to oxidize 25 mL of solution x containing Fe^(2+) ions in neutral condition ?

Knowledge Check

  • In faintly alkaline solution, 4 moles of permanganate anion quantitatively oxidize thiosulphate anions to produce X moles of sulphate anion. The value of X

    A
    8
    B
    6
    C
    4
    D
    3

  • In neutral or faintly alkaline medium, thiosulphate is quantitatively oxidized by KMnO_(4) is

    A
    `SO_(3)^(2-)`
    B
    `SO_(4)^(2-)`
    C
    `SO_(2)`
    D
    `SO_(5)^(2-)`

  • MnO_(4)^(-) ions are reduced in acidic conditions to Mn^(2+) ions whereas they are reduced in neutral condition to MnO_(2) . The oxidation of 25 mL of a solution x containing Fe^(2+) ions required in acidic condition 20 mL of a solution y containing MnO_(4) ions. What value of solution y would be required to oxidize 25 mL of solution x containing Fe^(2+) ions in neutral condition ?

    A
    11.4 mL
    B
    12.0 mL
    C
    33.3 mL
    D
    35.0 mL