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Three litres of 0.5 M K(2)Cr(2)O(7) solu...

Three litres of 0.5 M `K_(2)Cr_(2)O_(7)` soluton have to be completely reduced in th acidic medium. The number of faradays of electricity required will be.

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To solve the problem, we need to determine the number of Faradays of electricity required to completely reduce 3 liters of 0.5 M \( K_2Cr_2O_7 \) in an acidic medium. Here’s the step-by-step solution: ### Step 1: Calculate the number of moles of \( K_2Cr_2O_7 \) The concentration of the solution is given as 0.5 M (molar), and the volume of the solution is 3 liters. Using the formula: \[ ...
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Knowledge Check

  • Acidic K_(2) Cr_(2)O_(7) oxidises KI to

    A
    KOI
    B
    `KOI_(3)`
    C
    HI
    D
    `I_(2)`

  • The n-factor for K_(2)Cr_(2)O_(7) in acidic medium is

    A
    `+2`
    B
    `+4`
    C
    `+6`
    D
    `+8`

  • What volume of 0.1M H_(2)O_(2) solution will be required to completely reduce 1 litre of 0.1 M KMnO_(4) in acidic medium?

    A
    2500ml
    B
    500ml
    C
    1000ml
    D
    1200ml