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Bleaching powder and bleach solution are...

Bleaching powder and bleach solution are produced on a large scale and used in several hous-hold products. The effectiveness of bleach solution id often measured by iodometry.
`25 mL` of household bleach solution was mixed with `30 mL` of `0.50 M KI` and `10 mL` of `4N` acetic acid. In the titration of the liberated iodine, `48 mL` of `0.25 N Na_(2)S_(2)O_(3)` was used to reach the end point. The molarity of the household bleach solution is :

A

0.48 M

B

0.96 M

C

0.24 M

D

0.024 M

Text Solution

Verified by Experts

The correct Answer is:
C
Milli mole of Hypo `=0.25xx48`
`=2xx` milli moles of `Cl_(2)`
milli mole of `Cl_(2)=(0.25xx48)/2=6` milli mole of `CaOCl_(2)`
= milli mole of `Cl_(2)=` milli mole of `CaOCl_(2)`
So, molarity `=6/25 M=0.24 M`.
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Bleaching powder and bleach solution are produced on a large scale and used in several household products. The effectiveness of bleach solution is often measured by iodometry. Bleaching powder contains a salt of an oxoacid as one of its components. The anhydride of that oxoacid is :

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  • Bleaching powder and bleach solution are produced on a large scale and used in several household products. The effectiveness of bleach solution is often measured by iodometry. 25 mL of household bleach solution was mixed with 30 mL of 0.50 M KI and 10 mL of 4 N acetic acid. In the titration of the liberated iodine, 48 mL of 0.25 N Na_(2)S_(2)O_(3) was used to reach the end point. The molarity of the household bleach solution is :

    A
    0.48 M
    B
    0.96 M
    C
    0.24 M
    D
    0.024 M

  • 25 mL of household bleach solution was mixed with 30 mL of o.50 M Kl and 10 mL of 4N acetic acid. In the titration of the liberated iodine, 48 mL of 0.25 N Na_(2)S_(2)O_(3) was used to reach the end point. The molarity of the household bleach solution is :

    A
    0.48 M
    B
    0.96 M
    C
    0.24 M
    D
    0.024 M

  • Bleaching powder and bleach solution are produced on a large scale and used in several hous-hold products. The effectiveness of bleach solution id often measured by iodometry. Bleaching powder contains a salt of an oxoacid as one of its components. The anhydride of that oxoacid is:

    A
    `Cl_(2)O`
    B
    `Cl_(2)O_(7)`
    C
    `ClO_(2)`
    D
    `Cl_(2)O_(6)`

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