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Potassium chlorate is prepared by electr...

Potassium chlorate is prepared by electrolysis of KCl in basic solution as shown by following equation.
`6 O H ^(-) + Cl ^(-) to ClO _(3) ^(-) + 3 H _(2) O + 6e^(-)`
A current of x A has to be passed for 10 h to produce 10.0 g of potassium chlorate. The value of x is ____________ (Nearest integer)
(Molar mass of `KClO _(3) = 122.6 g mol ^(-1) , F = 96500C)`

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Knowledge Check

  • Potassium chlorate is prepared by the electrolusis of KCl in basic medium as: Cl^(-) + 6OH^(-) rarr ClO_(3)^(-) + 3H_(2)O + 6e If only 60% of current is utilised in the reaction, the time to produce 10 g of KClO_(3) using current of 2 ampere : ( mol. wt. of KClO_(3) = 122.5 )

    A
    `1.94 hr`
    B
    `10.94 hr`
    C
    `19.09 hr`
    D
    `12.09 hr`

  • In the Ionic equation Bi O_(3) ^(-) + 6 H ^(o+) + xe ^(-) to B i ^(3+) + 3 H _(2) O the value of x is

    A
    6
    B
    2
    C
    4
    D
    3

  • The mixture of conc. HCl and potassium chlorate on heating gives _______.

    A
    `Cl_2 `only
    B
    `ClO_2` only
    C
    `Cl_2 +ClO_2`
    D
    `Cl_2 +ClO_2 +ClO_3`

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