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Acidified KMnO(4)is decolourized by...

Acidified `KMnO_(4)`is decolourized by

A

`Br_(2)`

B

`O_(3)`

C

`HC1`

D

`Br`

Text Solution

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The correct Answer is:
A
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Acidified KMnO_(4) can be decolourised by (a)_____.

One litre of acidified KMnO_(4) solution containing 15.8g KMnO_(4) is decolourized by passing sufficient SO_(2) . If SO_(2) is produced by FeS_(2) , what is the amount of FeS_(2) required to give desired SO_(2) ?

Knowledge Check

  • Pink colour of acidified KMnO_(4) is decolourised but there is no evolution of any gas.This may happen with the compound containing the following acid radical.

    A
    `SO_(3)^(2-)`
    B
    `NO_(2)^(-)`
    C
    `S^(2-)`
    D
    All of these

  • Pink colour of acidified KMnO_(4) is decolourised but there is no evolution of any gas. This may happen with the compound containing the following acid radical.

    A
    `SO_(3)^(2-)`
    B
    `NO_(2)^(-)`
    C
    `S^(2-)`
    D
    All of these

  • Pink colour of acidified KMnO_(4) is decolourised but there is no evolution of any gas. This may happen with the compound containing the following acid radical.

    A
    `SO_(3)^(2-)`
    B
    `NO_(2)^(-)`
    C
    `S^(2-)`
    D
    All of these

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    Acidified KMnO_(4) can be decolourised by:

    An aqueous solution of salt 'R' when treated with dil. HCl , a colourless gas is given out. The gas so evolved when passed through acidified KMnO_(4) decolourises KMnO_(4) solution. The salt 'R' is

    Acidified KMnO_(4) solution is decolourized by

    The compound 'A' is a colourless solid. It gives following tests: Test-I: The addition of compound 'A' solution to a solution of KI, followed by acidification with dilute H_(2)SO_(4) , results in the formation of brown coloured compound 'B'. Test-II: The acidified KMnO_(4) solution is decolourized, by a solution of compound 'A', but no gas is evolved. Compound 'A' and 'B' may be:

    The compound 'A' is a colourless solid. It gives following tests: Test-I: The addition of compound 'A' solution to a solution of KI, followed by acidification with dilute H_(2)SO_(4) , results in the formation of brown coloured compound 'B'. Test-II: The acidified KMnO_(4) solution is decolourized, by a solution of compound 'A', but no gas is evolved. Which of the following reaction(s) is/are correctly matched about Test-I and Test-II?

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