Equilibria of Acids and Bases

Question 1

Which will become completely dissociated when dissolved in water?

Revolt · Accepted Answer

C: sulfuric acid

Question 2

Which will become partially dissociated when dissolved in water?

Revolt · Accepted Answer

D: hydrofluoric acid

Question 3

Which is the strongest acid listed in the table?

Revolt · Accepted Answer

C: hydrofluoric acid

Question 4

Which base(s) is weaker than ammonia?

Revolt · Accepted Answer

D: hydroxylamine and pyridine

Question 5

Which acid(s) is weaker than benzoic acid?

Revolt · Accepted Answer

A: acetic acid and hypochlorous acid

Question 6

Which shows the correct order from weakest to strongest base?

Revolt · Accepted Answer

B: pyridine<hydroxylamine<ammonia<methylamine

Question 7

Use the information provided in the table to determine the Kb for acetate ion, the conjugate base of acetic acid.

Revolt · Accepted Answer

B: 5.6 × 10-10

Question 8

Use the information provided in the table to determine the Ka for methylammonium ion, the conjugate acid of methylamine.

Revolt · Accepted Answer

D: 2.3 × 10-11

Question 9

Determine the pH of 0.050 M HNO3 solution. HNO3 is a strong acid.

Revolt · Accepted Answer

1.3

Question 10

Determine the pH of 0.050 M HCN solution. HCN is a weak acid with a Ka equal to 4.9 × 10-10.

Revolt · Accepted Answer

5.3

Equilibria of Acids and Bases Answers