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A mixture of K(2)C(2)O(4) and KHC(2)O(4)...

A mixture of `K_(2)C_(2)O_(4)` and `KHC_(2)O_(4)` required equal volumes of `0.1 M K_(2)Cr_(2)O_(7)` for oxidation and 0.1 M NOH for neutralisation is separate titratiosn. The molar ratio of `K_(2)CrO_(4)` and `KHC_(2)O_(4)` in the mixture is

A

`1:1`

B

`2:1`

C

`1:2`

D

`3:1`

Text Solution

Verified by Experts

The correct Answer is:
B
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2 mole, equimolar mixture of Na_(2)C_(2)O_(4) and H_(2)C_(2)O_(4) required V_1 L of 0.1 M KMnO_4 in acidic medium for complete oxidatiion. The same amount of the mixture required V_2 L of 0.1 M NaOH for neutralization. The ratio of V_(1) " to "V_2 is x:y, then the value of x + y is (x and y are integers)

The atomicity of K_2Cr_2O_7 is

Knowledge Check

  • Equivalent weight of K_(2)Cr_(2)O_(7) as oxidant in acidic medium is

    A
    24.5
    B
    49
    C
    147
    D
    296

  • An equimolar mixture of Na_(2)C_(2)O_(4) and H_(2)C_(2)O_(4) required V_(1)L of 0.1 M KMnO_(4) in acidic medium for complete oxidation. The same amount of the mixture required V_(2)L of 0.1 M NaOH for neutralization. The ratio of V_(1) to V_(2) is

    A
    `1:2`
    B
    `2:1`
    C
    `2:5`
    D
    `5:2`

  • Equivalent weights of K_(2)Cr_(2)O_(7) in acidic medium is

    A
    0.245
    B
    0.49
    C
    1.47
    D
    2.96

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