Question detail
Which of the following methods can be used to investigate the rate of reaction involving a gas?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Rate of reaction
Question
- A. Measuringthe temperature of the gas
- B. collectinggas over water
- C. Usinga colorimeter
- D. Measuringthe pH of the solution
Answer
collectinggas over water
Explanation
The correct answer is collectinggas over water. This answer directly addresses the question: Which of the following methods can be used to investigate the rate of reaction involving a gas? It matches the approved Chemistry 8462 learning objective and the linked subtopic. The other options are incorrect because they either change the rate, catalyst, reversible reaction, equilibrium, or graph context, or they do not answer the exact point being tested.
Common mistake
Misunderstanding Practical Methods
Students often confuse collecting gas with measuring mass loss as methods for investigating reaction rates.
Clearly differentiate between the two methods: collecting gas involves measuring the volume of gas produced, while measuring mass loss involves tracking the decrease in mass of reactants.
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