MHT CET 2024 Chemistry question

Not in JEE Main or NEET syllabus

Which of the following is an example of heterogeneous catalysis?

(A)Oxidation of SO in presence of
(B)Decomposition of aqueous HO in presence of I
(C)Hydrolysis of sugar in presence of aq. HSO
(D)Hydrogenation of vegetable oil in presence of NiCorrect

Answer: (D)

Solution

In heterogeneous catalysis the catalyst and the reactants are in different phases. (D) Vegetable oil (liquid) and (gas) react in the presence of finely divided solid nickel, so the catalyst is in a different phase: heterogeneous. (B) with and (C) sugar

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Question ID VK-092763