Question detail
What is the primary purpose of cooling 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 yield of ammonia.
- B. To prevent the reaction from stopping.
- C. To allow ammonia to liquefy for easier removal.
- D. To enhance the reaction rate.
Answer
The correct option is To allow ammonia to liquefy for easier removal.. This answer is correct because it matches the approved learning objective to explain why cooling allows ammonia to liquefy and be removed from the reaction mixture. (Chemistry only) in the subtopic The Haber process.
Explanation
The correct option is To allow ammonia to liquefy for easier removal.. To allow ammonia to liquefy for easier removal. is correct because it directly supports the approved learning objective to explain why cooling allows ammonia to liquefy and be removed from the reaction mixture. (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
Cooling and Ammonia Liquefaction
Students often think that cooling ammonia directly causes it to form from the gases.
Emphasize that cooling allows the already formed ammonia gas to liquefy and be separated from unreacted gases.
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