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  • Which one is an example of heterogenous catalysis?  Option: 1 Oxidation of sulphur dioxide into sulphur trioxide in the presence of oxide

Which one is an example of heterogenous catalysis?
 

Option: 1

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


Option: 2

Hydroiysis of sugar catalysed by \mathrm{H}^{+}ions.
 


Option: 3

Decomposition of ozone in presence of nitrogen monoxide.
 


Option: 4

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


Answers (1)

\mathrm{N}_{2(\mathrm{~g})}+3 \mathrm{H}_{2(\mathrm{~g})} \longrightarrow 2 \mathrm{NH}_{3(\mathrm{~g})}

Since reactants and catalysts are in different phases (gas and solid respectively) so it is called as heterogeneous catalysis.

Posted by

Ramraj Saini

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