JEE Main Chemistry question

Not in JEE Main or NEET syllabus

Which of the following reactions is an example of heterogeneous catalysis?

(A) (gas phase)
(B)
(C)
(D)Correct

Answer: (D)

Solution

In options (A) and (B) the catalysts (atomic Cl and NO) are gases, in the same phase as the gaseous reactants, so these are homogeneous catalysis; in option (C) the catalyst and the ester/water are all in the same liquid phase, again homogeneous (acid-catalysed ester hydrolysis is a textbook

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Question ID VK-144701