4. Reaction Engineering

Heterogeneous Reactions — Quiz

Test your understanding of heterogeneous reactions with 5 practice questions.

Practice Questions

Question 1

Which of the following reaction mechanisms involves two adsorbed species reacting on the catalyst surface?

Question 2

What is the primary effect of increasing the catalyst pellet size on the overall reaction rate in a diffusion-limited heterogeneous reaction?

Question 3

For a first-order irreversible reaction in a spherical catalyst pellet, if the Thiele modulus ($\phi$) is 0.1, what does this imply about the reaction regime?

Question 4

Which of the following statements is true regarding the effectiveness factor ($\eta$) for a porous catalyst?

Question 5

In a packed bed reactor, what is the primary disadvantage of using very small catalyst particles?