p-Block elementsMedium

Question

Which of the following product(s) is/are obtained when Cl2O6 reacts with KOH ?

Options

A.KCl
B.KClO2
C.KClO3
D.KClO4

Solution

Cl2O6 (s) is a mixed anhydride of HClO3 & HClO4 because on dissolving in water it gives a mixture of    these two acids. ClO3 dissolves in KOH forming chlorite and chlorate.
    2Cl2O6 + 4KOH → 2KClO3 + 2KClO4 + 2H2O.

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