A) neutralisation reaction
B) homogeneous catalysis
C) heterogeneous catalysis
D) irreversible reaction
Correct Answer: C
Solution :
\[2S{{O}_{2}}(g)+{{O}_{2}}(g)2S{{O}_{3}}(g)\] In this reaction reactants as well as the catalyst are present in more than one phase hence it is an example of heterogenous catalysis.
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