Which of the following statements is/are TRUE? I. There are 2 conjugate acid-base pairs in a Brønsted-Lowry acid-base equation. II. Both H2PO4 and CH3CO0- are considered amphiprotic species. III. NH3 can be a Brønsted base but not an Arrhenius base. IV. The stronger the acid mixed with water, the less concentrated its conjugate base. Select one: O a. Il and IV O b. Il and III c. I and IV O d. I and III

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter14: Acids And Bases
Section: Chapter Questions
Problem 115QRT
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Which of the following statements is/are TRUE?
I. There are 2 conjugate acid-base pairs in a Brønsted-Lowry acid-base equation.
II. Both H2PO4 and CH3CO0- are considered amphiprotic species.
III. NH3 can be a Brønsted base but not an Arrhenius base.
IV. The stronger the acid mixed with water, the less concentrated its conjugate base.
Select one:
O a. Il and IV
O b. Il and III
c. I and IV
O d. I and III
Transcribed Image Text:Which of the following statements is/are TRUE? I. There are 2 conjugate acid-base pairs in a Brønsted-Lowry acid-base equation. II. Both H2PO4 and CH3CO0- are considered amphiprotic species. III. NH3 can be a Brønsted base but not an Arrhenius base. IV. The stronger the acid mixed with water, the less concentrated its conjugate base. Select one: O a. Il and IV O b. Il and III c. I and IV O d. I and III
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