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Redox Reactions — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryRedox Reactions1 Mark
Question
Find oxidation state of ‘Cl' in
  1. $\text{ClO}_2$
  2. $\text{ClO}_3^-$
✓

Answer

  1. $\stackrel{{\text{x}-2}}{\hbox{ClO}_2}$
$\text{x}-4=0$

$\Rightarrow\text{x}=+4$
  1. $\stackrel{{\text{x}-2}}{\hbox{ClO}_3^-}$
$\text{x}-2\times3=-1$

$\text{x}-6=-1$

$\Rightarrow\text{x}=+5$

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