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SO(2) gas used as a bleaching agent. Its...

`SO_(2)` gas used as a bleaching agent. Its bleaching action is :

A

temporary and due to its oxidising nature

B

temporary and due to its reducing nature

C

permanent and due to its oxidising nature

D

permenent and due to its reducing nature

Text Solution

Verified by Experts

The correct Answer is:
B
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Explain bleaching action of chlorine. Or Cl_(2) acts as a bleaching agent. Or Bleaching of flowers by chlorine is permanent while that by sulphur dioxide is temporary. Explain.

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Knowledge Check

  • Sodium sulphite (Na_(2)SO_(3)) is added to meat as a preservative. The presence of Na_(2)SO_(3) can be detected by adding dil. H_(2)SO_(4) when the pungent smelling gas evolved turns the lime water milky. The gas evolved was detected as sulphur dioxide. The SO_(2) " to "SO_(4)^(2-) in titration. SO_(2)+2H_(2)O+I_(2) to 4H^(+)+SO_(4)^(2-)+2I^(-) In order to check the results of titration, excess barium chloride is added to the final solution. The resulting precipitate is collected and weighed. Q. SO_(2) gas is used as bleaching agent. Its bleaching action is :

    A
    temporary and due to its oxidizing nature
    B
    temporary and due to its reducing action
    C
    permanent and due to its oxidizing nature
    D
    permanent and due to its reducing action

  • Chlorine is a powerful bleaching agent. Its bleaching action is due to

    A
    oxidation
    B
    reduction
    C
    acidic nature
    D
    None of the above

  • Cl_(2) and SO_(2) are pollutants as well as bleaching agents . Their bleaching action is due to

    A
    `SO_(2)`= Oxidation, `Cl_(2)`=Oxidation
    B
    `SO_(2)`= Reduction, `Cl_(2)`=Reduction
    C
    `SO_(2)`= Oxidation, `Cl_(2)`=Redution
    D
    `SO_(2)`= Reduction, `Cl_(2)`=Oxidation

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    Which of the following statements are correct for SO_(2) gas? (a) It acts as bleaching agent in moist conditions. (b) Its molecule has linear geometry. (c ) Its dilute solution is used as disinfectant. (d) It can be prepared by the reaction of dilute H_(2)SO_(4) with metal sulphide.

    SO_(2) and Cl_(2) both are used as bleaching agent. What factors cause bleaching ?

    H_(2)O_(2) acts as a bleaching agent because of

    The real bleaching agent present in bleaching powder is

    Bleaching action of bleaching powder is due to

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