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Household bleach contains hypochlorite ...

Household bleach contains hypochlorite ion,which is formed when chlorine dissolves in water. The determine the concentration of hypochlorite in the bleach,the solution is first treated with a KI solution.The iodine liberated can be determined by titration with a standard thiosulphate solution.A 25 ml of certain household bleach requires "17.4ml" of a 0.2M-`Na_(2)S_(2)O_(3)` solution for titration.The mass of chlorine dissolved in one litre of the bleach solution is

Answer

Step by step text solution for Household bleach contains hypochlorite ion,which is formed when chlorine dissolves in water. The determine the concentration of hypochlorite in the bleach,the solution is first treated with a KI solution.The iodine liberated can be determined by titration with a standard thiosulphate solution.A 25 ml of certain household bleach requires "17.4ml" of a 0.2M-Na_(2)S_(2)O_(3) solution for titration.The mass of chlorine dissolved in one litre of the bleach solution is by CHEMISTRY experts to help you in doubts & scoring excellent marks in Class 11 exams.

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1.25 g of a sample chlorine in 25 mL of water and 25 mL of which are treated with KI solution . The iodine so liberated required 12.5 of which are treated with KI solution . The iodine so liberated required 12.5 mL of N/25 hypo solution in titration . Find the percentage of chlorine available from the sample of bleaching powder .

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Knowledge Check

  • 25 ml of H_(2)O_(2) solution were added to excess of acidified solution of Kl and iodine so liberated required 20 ml of 0.1 N Na_(2)S_(2)O_(3) for titration . The normality of H_(2)O_(2) is

    A
    `0.02`
    B
    `0.04`
    C
    `0.08`
    D
    `0.03`

  • Some amount of 20V H_(2)O_(2) is mixed with excess of acidified solution KI . The iodine so liberated required 200ml of 0.1N Na_(2)S_(2)O_(3) for titration. The volume of H_(2)O_(2) solution is

    A
    `11.2ml`
    B
    `37.2ml`
    C
    `5.6ml`
    D
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  • A 0.46 g sample of As_(2)O_(3) required 25.0 " mL of " KMnO_(4) solution for its titration. The molarity of KMnO_(4) solution for its titration. The molarity of KMnO_(3) solution is

    A
    0.016
    B
    0.074
    C
    0.032
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    0.128

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