Acid and Base Equilibrium Quiz

What is an acid according to the Brønsted-Lowry theory?

• Electron donor

• Proton donor

• Electron acceptor

• Neutron donor

Which of the following is a base according to the Brønsted-Lowry theory?

• A proton donor

• A proton acceptor

• A neutron donor

• A salt

Which of these is a strong acid?

• H₂CO₃

• HF

• HCl

• CH₃COOH

Which of the following is a weak base?

• NaOH

• KOH

• NH₃

• Ca(OH)₂

What does a high Ka value indicate?

• The acid is weak

• The acid is strong

• The base is strong

• The base is weak

What does a low Kb value indicate?

• Strong base

• Weak acid

• Weak base

• Strong acid

Which of the following is true for a strong acid?

• It partially ionizes in water

• It does not ionize at all

• It completely ionizes in water

• It turns blue litmus red slowly

What is the conjugate base of H₂O?

• H₃O⁺

• OH⁻

• H⁺

• O²⁻

What is the pH of a neutral solution at 25°C?

• 1

• 7

• 10

• 14

If a solution has a pH of 3, it is:

• Basic

• Neutral

• Strongly basic

• Acidic