Catalysis: An Introduction M.F. Baidoo 22.01.2024

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Questions and Answers

What percentage of products from the chemical industry are obtained via catalytic processes?

  • 75-80%
  • 85-90% (correct)
  • 95-100%
  • 60-65%

In catalytic reactions, what is the role of a catalyst?

  • Slows down the reaction rate
  • Completely consumes in the reaction
  • Halts the reaction immediately
  • Remains unchanged at the end of the process (correct)

What purpose do catalysts serve in industrial processes?

  • Increase pressure
  • Allow reactions under feasible conditions (correct)
  • Decrease reaction rate
  • Maintain high temperature and pressure

What is a characteristic difference between catalytic and non-catalytic reactions?

<p>Catalysts are consumed in reactions, non-catalytic substances are not (B)</p> Signup and view all the answers

What is the catalytic cracking of crude oil primarily used for?

<p>Producing gasoline (C)</p> Signup and view all the answers

How do catalysts impact the activation energy of a reaction?

<p>Lower the activation energy (C)</p> Signup and view all the answers

Which catalyst is commonly used in the hydrotreating of crude oil?

<p>Co-Mo (D)</p> Signup and view all the answers

What reaction does the Wacker process involve?

<p>Epoxidation (B)</p> Signup and view all the answers

Which of the following catalysts is involved in the steam reforming of methane to CO + H2?

<p>Ni (D)</p> Signup and view all the answers

What is the primary purpose of the hydrogenation process?

<p>Reduction of NOx in exhaust (D)</p> Signup and view all the answers

In heterogeneous catalysis, what aspect tends to be lower compared to homogeneous catalysis?

<p>Reproducibility (C)</p> Signup and view all the answers

In which industry is homogeneous catalysis commonly applied?

<p>Chemical/Petrochemical industry (B)</p> Signup and view all the answers

Which type of catalyst is commonly found in a single-phase system?

<p>Soluble catalysts (A)</p> Signup and view all the answers

What is the product formed in the carbonylation reaction involving methanol and CO?

<p>Methyl acetate (A)</p> Signup and view all the answers

Which metal is commonly used as a catalyst in the production of carboxylic acid?

<p>Rhodium (Rh) (C)</p> Signup and view all the answers

What type of catalysis involves the use of enzymes?

<p>Enzymatic/biocatalysis (C)</p> Signup and view all the answers

Which reactant is involved in the production of adiponitrile through homogeneous catalysis?

<p>Butadiene (D)</p> Signup and view all the answers

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