Which one is an example of heterogenous catalysis?

Option 1 - Combination between dinitrogen and dihydrogen to form ammonia in the presence of finely divided iron.

Option 2 - Oxidation of sulphur dioxide into sulphur trioxide in the presence of oxides of nitrogen.

Option 3 - Hydrolysis of sugar catalysed by H⁺ ions.

Option 4 - Decomposition of ozone in presence of nitrogen monoxide

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Vishal Baghel | Contributor-Level 10

5 months ago

Correct Option - 1

Detailed Solution:

When the reactants and the catalyst are in different phases, then the catalysis is known as heterogenous catalysis.

1. N? (g) + 3H? (g) - (Fe (s)-> 2NH? (g) (Heterogenous catalysis)

2. 2SO? (g) + O? (g) - (NO (g)-> 2SO? (g) (Homogenous catalysis)

3. C? H? O? (aq) + H? O (l) → C? H? O? (aq) + C? H? O? (

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