AP Chemistry: Acids & Bases 2

Question 1

What is the pH of a 0.001 M solution of HCl at 25 °C?

Accepted Answer

3

Answer

11

Answer

1

Answer

0.001

Question 2

According to the Brønsted-Lowry theory, a base is defined as a substance that:

Accepted Answer

Accepts a proton

Answer

Donates a proton

Answer

Donates an electron pair

Answer

Produces OH- ions only

Question 3

What is the conjugate base of the bicarbonate ion (HCO3-)?

Accepted Answer

CO3^2-

Answer

H2CO3

Answer

CO2

Answer

OH-

Question 4

Which of the following is a diprotic acid?

Accepted Answer

H2SO4

Answer

HCl

Answer

HNO3

Answer

CH3COOH

Question 5

At 25 °C, the ion product of water Kw equals:

Accepted Answer

1.0 × 10^-14

Answer

1.0 × 10^-7

Answer

1.0 × 10^14

Answer

7.0

Question 6

A solution with pOH = 4 has a pH of:

Accepted Answer

10

Answer

4

Answer

14

Answer

7

Question 7

Which substance acts as an amphoteric species, able to behave as both an acid and a base?

Accepted Answer

H2O

Answer

HCl

Answer

NaOH

Answer

NaCl