MCAT General Chemistry Question 278: Answer and Explanation
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Question: 278
4. If the [H+] goes up by a factor of four, the reaction rate will
- A. increase by a factor of four.
- B. increase by a factor of two.
- C. decrease by a factor of two.
- D. decrease by a factor of four.
Correct Answer: D
Explanation:
D Since [H+] is in the denominator of the rate law expression and raised to the first power, if [H+] goes up by a factor of four, the rate will go down by a factor of four.