Question
Find oxidation state of ‘Cl' in
- $\text{ClO}_2$
- $\text{ClO}_3^-$
✓
Answer
- $\stackrel{{\text{x}-2}}{\hbox{ClO}_2}$
$\text{x}-4=0$
$\Rightarrow\text{x}=+4$
- $\stackrel{{\text{x}-2}}{\hbox{ClO}_3^-}$
$\text{x}-2\times3=-1$
$\text{x}-6=-1$
$\Rightarrow\text{x}=+5$
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