Which of the following is not Lowery-Bronsted Base?
Correct answer: D. Cl-
- A. NH3
- B. H2O
- C. HS-
- D. Cl-
Explanation
In the Brønsted-Lowry theory, a base is a species that can accept a proton (H+). NH3 and H2O can accept protons, forming NH4+ and H3O+, respectively. HS- can also accept a proton to form H2S. However, Cl-, being the conjugate base of a strong acid (HCl), has very low affinity for protons and does not generally act as a base in aqueous solutions. Therefore, Cl- is not a Brønsted-Lowry base.
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