Question detail
What is the purpose of using an 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 increase the pressure
- C. To speed up the reaction rate
- D. To produce nitrogen
Answer
The correct option is To speed up the reaction rate. This answer is correct because it matches the approved learning objective to interpret graphs of reaction conditions versus rate. (HT only; Chemistry only; MS 1a, 1c) 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 interpret graphs of reaction conditions versus rate. (HT only; Chemistry only; MS 1a, 1c). 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
Misinterpreting Graphs
Students often confuse the axes on graphs of reaction conditions versus rate, leading to incorrect interpretations of how changes in conditions affect the rate of reaction.
Carefully label and review the axes of the graph, ensuring you understand which variable is being plotted against which. Remember that the x-axis typically represents the reaction conditions, while the y-axis represents the rate.
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