AP Chemistryeasymcq1 pt
Which species is amphoteric?
A.H₂O
B.HCl
C.NaOH
D.Cl⁻
Explanation
Core Concept
Water acts as an acid (donating H⁺ to NH₃) and as a base (accepting H⁺ from HCl). Species that can do both are amphoteric.
Correct Answer
AH₂O
More Unit 8: Acids and Bases practice questions
- mediumWhich mixture produces a buffer with pH closest to 9.0?
- mediumFor a weak acid, which approximation allows skipping the quadratic?
- mediumWhat is the pH of a solution after 0.0050 mol of HCl is added to 1.0 L of pure water?
- mediumIn the reaction HSO₄⁻ + H₂O ⇌ SO₄²⁻ + H₃O⁺, which species acts as a base?
- easyWhich of the following is the strongest base?
Practice more AP Chemistry questions with full explanations
Practice Unit 8: Acids and Bases Questions →