MCAT General Chemistry Question 136: Answer and Explanation
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Question: 136
1. Which of the following is not a Bronsted–Lowry base?
- A.
- B. F-
- C.
- D. H — O — N = O
Correct Answer: D
Explanation:
A Bronsted-Lowry base is defined as a proton acceptor. Ammonia, fluoride, and water—choices (A), (B), and (C), respectively—each accept a proton. Choice (D), HNO2, is a far better Bronsted-Lowry acid, donating a proton to solution.