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Surface Chemistry — Chemistry STD 12 — Question

Tamilnadu BoardEnglish MediumSTD 12ChemistrySurface Chemistry2 Marks
Question
What is heterogeneous catalysis? Give example.
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Answer

Heterogeneous catalysis is a process in which the reactants, products and catalyst are present in different phases. e.g. $2 SO _{2( g )}+ O _{2( g )} \stackrel{ Pt (\text { or }) V _2 O _5}{\longrightarrow} 2 SO _{3( g )}^{\text { }}$

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