Question

Which one of the following is an example of heterogenous catalysis?

• A. Oxidation of $SO_2$ and $SO_3$ by $NO$
• B. Hydrolysis of ethyl acetate by dilute $H_2SO_4$
• C. Inversion of cane sugar in presence of $H^+$
• D. Hydrogenation of ethylene in presence of $Ni$

Answer 1

Answer: (D)

Hydrogenation of ethylene in presence of $Ni$

Answer 2

Here, reactants are in gas phase while catalyst $(Ni)$ is in solid phase.