Catalysis (AQA A-Level Chemistry): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
Why are transition metals effective catalysts?
Why are transition metals effective catalysts?
Variable oxidation states
In heterogeneous catalysis, what is the phase relationship between catalyst and reactants?
In heterogeneous catalysis, what is the phase relationship between catalyst and reactants?
Different phase
Where does the reaction occur in heterogeneous catalysis?
Where does the reaction occur in heterogeneous catalysis?
On the catalyst's surface
What is the catalyst used in the Contact Process?
What is the catalyst used in the Contact Process?
Why are catalysts spread over a support medium?
Why are catalysts spread over a support medium?
Maximize surface area and reduce costs
What causes catalyst poisoning in heterogeneous catalysis?
What causes catalyst poisoning in heterogeneous catalysis?
Impurities blocking active sites
In homogeneous catalysis, what is the phase relationship?
In homogeneous catalysis, what is the phase relationship?
Catalyst and reactants same phase
Why is the reaction slow?
Why is the reaction slow?
Repulsion between negative ions
What is autocatalysis?
What is autocatalysis?
A product acts as a catalyst
In the autocatalysis example, what happens as the reaction proceeds?
In the autocatalysis example, what happens as the reaction proceeds?
Reaction speeds up