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  4. What is the oxidation state of Cl in HClO2 (chlorous acid)?

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Q. What is the oxidation state of $Cl$ in $HClO_{2}$ (chlorous acid)?

NTA AbhyasNTA Abhyas 2022

Solution:

Chlorous acid is $HClO_{2}$ . Hence,
$\left(\right.+1\times 1\left.\right)+x+\left(\right.-2\times 2\left.\right)=0$
$\therefore x+1-4=0$
$\therefore x=+3$