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

NTA AbhyasNTA Abhyas 2022

Solution:

Bleaching powder is $Ca\left(\right.OCl\left.\right)Cl$ that is salt of $HOCl$
$OCl^{-}$ : salt of $HOCl$
Anhydride of $HOCl$ is $Cl_{2}O$
$2HOCl \rightarrow Cl_{2}O+H_{2}O$