AP Quiz Zoom 3/17

According to Bronsted-Lowry, what is the definition of an BASE?

• a substance that donates a hydrogen (H+) ion

• a substance that donates a hydroxide (OH-) ion

• a substance that accepts a hydrogen (H+) ion

• a substance that accepts a hydroxide (OH-) ion

What is being donated/accepted between conjugate acid-base pairs?

• a hydrogen (H+) ion

• a hydroxide (OH-) ion

• water

• a neutron

What is the conjugate base in the following reaction?

• HCO₃^-

• HCl

• H₂CO₃

• Cl-

What is the conjugate acid in the following equation?

• PO₄^3- 
• HNO₃ 
• NO₃^- 
• HPO₄^2-
  

Which of the following shows the correct conjugate acid base pair?

• HCI (acid) / H₃O⁺ (conjugate base)
• HCI (acid) / CI^- (conjugate base)
• HCI (base) / CI^- (conjugate acid)
• HCI (base) / H₃O⁺ (conjugate acid)

Which of the following is a strong acid?

• oxalic acid

• nitric acid

• carbonic acid

• acetic acid

A substance that is 3 on the pH scale would be a(n):

• acid

• base

• neutral

• solute

What is the conjugate base of HClO₄?

• H⁺

• Cl^-

• ClO₃^-

• ClO₄^-

Which is a strong acid?

• 12.0M HNO₂

• 10.0M H₂SO₃

• 5.0M HI

• 5.0M HF

What is the closest pH to a solution with a [H⁺] = 2.5 x 10^-10?

• 2.5

• 3.0

• 4

• 9