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Chemistry Question on Surface Chemistry

In the reaction, H2O2(aq)\ce−>[I−(aq)]H2O(I)+12O2(g) H_{2}O_{2} (aq) \ce{->[I^{-}(aq)]} H_{2}O(I)+\frac{1}{2} O_{2}(g) iodide ion acts as

A

homogenous catalyst

B

acid catalyst

C

heterogenous catalyst

D

enzyme catalyst

Answer

homogenous catalyst

Explanation

Solution

For the reaction,

H2O2(aq)\ce−>[I−(aq)]H2O(I)+12O2(g)H _{2} O _{2}( aq ) \ce{ ->[I^-(aq)] } H _{2} O (I)+\frac{1}{2} O _{2}(g)

lodide lon acts a homogenous catalyst as the phase of I−I ^{-} and reactant, H2O2H _{2} O _{2} is aqueous (same)