Q11 / 200 · Manipal (MET) 2013 · Chemistry

$\mathrm{ClO}_2$ is an/a

  • A
    anhydride of $\mathrm{HClO}_2$
  • B
    anhydride of $\mathrm{HClO}_3$
  • Correct answer
    C
    mixed anhydride of $\mathrm{HClO}_2$ and $\mathrm{HClO}_3$
  • D
    mixed anhydride of $\mathrm{HClO}_3$ and $\mathrm{HClO}_4$

Solution

$\mathrm{ClO}_2$ reacts with KOH forming $\mathrm{KCl}_3$ and $\mathrm{KClO}_2$ $2 \mathrm{KOH}+2 \mathrm{ClO}_2 \rightarrow \mathrm{KClO}_2+\mathrm{KClO}_3+\mathrm{H}_2 \mathrm{O}$ This reaction indicates that $\mathrm{ClO}_2$ is a mixed anhydride of $\mathrm{HClO}_2$ and $\mathrm{HClO}_3$.

Hence, the correct answer is option: 'C'.

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