Chapter 15: Acids and Bases

Question 1

Acid ionization constant

Answer 1

K_a. The equilibrium constant for the acid ionization.

Question 2

Base ionization constant

Answer 2

K_b. The equilibrium constant for the base ionization.

Question 3

Conjugate acid-base pair

Answer 3

An acid and its conjugate base or a base and its conjugate acid.

Question 4

Ion-product constant

Answer 4

Product of hydrogen ion concentration and hydroxide ion concentration (both in molarity) at a particular temperature.

Question 5

Lewis acid

Answer 5

a substance that can accept a pair of electrons

Question 6

Lewis base

Answer 6

a substance that can donate a pair of electrons

Question 7

Percent ionization

Answer 7

Ration of ionized acid concentration at equilibrium to the initial concentration of acid

Question 8

pH

Answer 8

The negative logarithm of the hydrogen ion concentration.

Question 9

Salt hydrolysis

Answer 9

The reaction of the anion or cation, or both, of a salt with water

Question 10

Strong acid

Answer 10

Strong electrolytes which are assumed to ionize completely in water

Question 11

Strong base

Answer 11

strong electrolytes which are assumed to ionize completely in water

Question 12

Weak acid

Answer 12

weak electrolytes that ionize only to a limited extent in water

Question 13

Weak base

Answer 13

weak electrolytes that ionize only to a limited extent in water