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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.
Bleaching powder contains a salt of an oxoacid as one of its components. The anhydride of that oxoacid is:

A

`CI_(2)O`

B

`CI_(2)O_(7)`

C

`CIO_(2)`

D

`CI_(2)O_(6)`

Text Solution

Verified by Experts

The correct Answer is:
A
Bleaching powder is `Ca(OCI)CI`. It contains `OCI^(-)` ion and the corresponding acid is HCIO. The anhydride of HCIO is :
`underset(HOCI)overset(HOCI)(+) to H_(2)O + CI_(2)O`
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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 :