In the hydrogenation of double bonds,a catalyst is needed.In the last step,the reactants must escape from the surface into the gas phase.This step is known as

Question

Quizplus · Accepted Answer

Desorption is the process of molecules leaving a surface and returning to the gas phase. In the hydrogenation of double bonds, the reactants (such as hydrogen) must desorb from the catalyst surface to complete the reaction. Therefore, the correct answer is D) desorption.

In the Hydrogenation of Double Bonds,a Catalyst Is Needed