Which one is the anhydride of $\mathrm{HClO}_{4}$

Which one is the anhydride of $\mathrm{HClO}_{4}$
  1. $\mathrm{Cl}_{2} \mathrm{O}$
  2. $\mathrm{ClO}_{2}$
  3. $\mathrm{Cl}_{2} \mathrm{O}_{6}$
  4. $\mathrm{Cl}_{2} \mathrm{O}_{7}$

Solution

$2 \mathrm{HClO}_{4} ightarrow \mathrm{H}_{2} \mathrm{O}+\mathrm{Cl}_{2} \mathrm{O}_{7}$ ^

Asked in: JEE-TOPICTESTS-CHEMISTRY

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