Surface Chemistry
Which one of the following is an example of homogeneous catalysis?
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Single Choice
Which of the following processes does not occur at the interface of phases?
ACrystallisation
BHeterogeneous catalysis
CHomogeneous catalysis
Correct Answer
DCorrosion
Solution
When the reactants, products and the catalyst are in the same phase (i.e., liquid or gas), the process is said to be homogeneous catalysis. In Heterogeneous catalysis, the reactants, products, and catalyst are in different phase. It is a process occurring at the interface. Corrosion and crystallization are the processes which occur at the interface of phases. Hence, option C is the right answer.
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