MCAT General Chemistry Question 64: Answer and Explanation
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Question: 64
4. The concentrations of all reactants in a zero-order reaction are increased twofold. What is the new rate of the reaction?
- A. It is unchanged.
- B. It is decreased by a factor of 2.
- C. It is increased by a factor of 2.
- D. It cannot be determined from the information given.
Correct Answer: A
Explanation:
By definition, zero-order reactions are unaffected by the concentrations of any reactants in the reaction. Thus, changing the concentrations of these reactants will not affect the rate.