Conjugate Acid-Base Pairs

Could CH₃COO^- act as a base when placed in water?

• Yes, because it can accept a H⁺

• Yes, because it can donate a H⁺

• No, because it cannot donate a H⁺

• No, because it cannot accept a H⁺

Which reactant in the following equation is an acid?

• ammonium, NH₄⁺

• ammonia, NH₃

• hydroxide, OH^-

• water, H₂O

HBr is the conjugate acid of

• Br^1-

• Br₂

• H₂Br

• none of the above

What is the conjugate base of H₂SO₄?

• SO₄^2-

• H₂SO₃

• HSO₃^1-

• HSO₄^1-

Identify: CN^-

• conjugate base of a weak acid

• conjugate acid of a weak base

• conjugate base of a strong acid

• conjugate acid of a strong base

Identify: NO₃^-

• conjugate base of a weak acid

• conjugate acid of a weak base

• conjugate base of a strong acid

• conjugate acid of a strong base

Identify: NO₂^-

• conjugate base of a weak acid

• conjugate acid of a weak base

• conjugate base of a strong acid

• conjugate acid of a strong base

Identify: NH₄⁺

• conjugate base of a weak acid

• conjugate acid of a weak base

• conjugate base of a strong acid

• conjugate acid of a strong base

What is the conjugate base of HCO₃^-?

• HCO₃^-

• H₂CO₃^-

• H₂CO₃

• CO₃^2-