Which from following catalyst is used in decomposition of $\mathrm{KClO}_3$ ?

Which from following catalyst is used in decomposition of $\mathrm{KClO}_3$ ?
  1. Platinized asbestos
  2. Fe-Cr catalyst
  3. $\mathrm{Ni}$
  4. $\mathrm{MnO}_2$

Solution

The catalyst used in the reaction \(2 \mathrm{KClO}_3 \rightarrow 2 \mathrm{KCl}+3 \mathrm{O}_2\) is manganese dioxide \(\left(\mathrm{MnO}_2\right)\).

Asked in: MHT CET 2023 (14 May Shift 1)

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