Multiple Choice
Write the formula of the conjugate base for the following compound:
H2Se
17. Acid and Base Equilibrium
Bronsted-Lowry Acids and Bases
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
Which of the following is NOT a Brønsted–Lowry acid?
A
H2CO3
B
HCO3–
C
CO32–
D
H2O
E
H3O+
Verified step by step guidance1
Understand the definition of a Brønsted–Lowry acid: A Brønsted–Lowry acid is a substance that can donate a proton (H⁺) to another substance.
Examine each option to determine if it can donate a proton. Start with H₂CO₃ (carbonic acid), which can donate a proton to form HCO₃⁻, making it a Brønsted–Lowry acid.
Consider HCO₃⁻ (bicarbonate ion), which can donate a proton to form CO₃²⁻, thus it can also act as a Brønsted–Lowry acid.
Evaluate H₂O (water), which can donate a proton to form OH⁻, so it can act as a Brønsted–Lowry acid in certain reactions.
Analyze CO₃²⁻ (carbonate ion), which cannot donate a proton because it is already a deprotonated form of HCO₃⁻. Therefore, CO₃²⁻ is not a Brønsted–Lowry acid.
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