Question detail
What is the role of the iron catalyst in the Haber process?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
The Haber process and the use of NPK fertilisers
Question
- A. To increase the temperature
- B. To speed up the reaction rate
- C. To provide nitrogen
- D. To absorb ammonia
Answer
The correct option is To speed up the reaction rate. This answer is correct because it matches the approved learning objective to apply dynamic equilibrium ideas to the Haber process. (HT only; Chemistry only) in the subtopic The Haber process.
Explanation
The correct option is To speed up the reaction rate. To speed up the reaction rate is correct because it directly supports the approved learning objective to apply dynamic equilibrium ideas to the Haber process. (HT only; Chemistry only). This belongs to the subtopic The Haber process within The Haber process and the use of NPK fertilisers, so the explanation must stay tied to that curriculum context. The other options are incorrect because they either do not answer this learning objective, use a vague statement, or move away from The Haber process.
Common mistake
Misunderstanding Dynamic Equilibrium
Students often confuse dynamic equilibrium with static equilibrium, thinking that the concentrations of reactants and products remain constant without any reaction occurring.
Dynamic equilibrium involves ongoing reactions where the rate of the forward reaction equals the rate of the reverse reaction, leading to constant concentrations of reactants and products.
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