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Bleaching powder contains a salt of an o...

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

A

`Cl_(2)O`

B

`Cl_(2)O_(7)`

C

`ClO_(2)`

D

`Cl_(2)O_(6)`

Text Solution

Verified by Experts

The correct Answer is:
A
The active constituent of bleaching powder is `Ca(OCl)_(2)`. Since `OCl^(-)` is the anion, therefore, the acid is HOCl and its anhydride is
`underset("Acid")(2HOCl) rarr H_(2)O underset("Anhydride")(Cl_(2)O)`
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