Acid Base Conjugate Pairs and Naming

Which of the following correctly identifies an acid-base Pair?

• HH₄⁺ , OH^-

• H₂O , OH^-

• CaCO_{3 ,}CaCl₂

• HNO₃ , H₂SO₄

The conjugate acid of HCO₃^- is ___ and the conjugate base of HCO₃^- is ___.

• H₂CO₃; CO₃^-2
• CO₃^-2; CO₃^-2
• H₂CO₃; H₂O
• H₂O; H₂CO₃

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

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)

A bronsted lowry acid

• produces hydroxide ions in a solution

• is a proton donor

• produces hydrogen ions in a solution

• is a proton acceptor

What is the conjugate acid to OH^- ?

• H₂O

• OH^-

• H⁺

NH₃ + H₂O --> NH₄⁺ + OH^-

What is NH₄⁺ in this reaction?

• acid

• base

• conjugate acid

• conjugate base

In the equation below, what is the conjugate base?

HBr + H₂O ↔ Br^- + H₃O⁺

• HBr

• H₂O

• Br^-

• H₃O⁺

What is the conjugate acid of PO₄^3- following equation?

• PO₄^3- 
• HNO₃ 
• NO₃^- 
• HPO₄^2-