Ch12: Acids And Bases

Question 1

Arrhenius definition of an acid

Answer 1

Substance that dissociates in water to produce H+ ions

Question 2

Arrhenius definition of a strong acid

Answer 2

Substance that almost completely dissociates in water to give H+ ions

Question 3

Arrhenius definition of a weak acid

Answer 3

Substance that only dissociates in water to give hydrogen ions

Question 4

Arrhenius definition of a base

Answer 4

Substance that dissociates in water to produce OH- ions

Question 5

Arrhenius definition of a strong base

Answer 5

Substance that almost completely dissociates in water to give hydroxide (hydroxyl) ions

Question 6

Arrhenius definition of a weak base

Answer 6

Substance that only slightly dissociates in water to give hydroxide ions

Question 7

Bronsted-Lowry definition of a:
1. Acid
2. Strong acid
3. Weak acid

Answer 7

1. Proton donor
2. Good proton donor
3. Poor proton donor

Question 8

Bronsted-Lowry definition of a:
1. Base
2. Strong base
3. Weak base

Answer 8

1. Proton acceptor
2. Good proton acceptor
3. Poor proton acceptor

Question 9

Conjugate acid-base pair (Conjugate pair)

Answer 9

Any pair consisting of an acid an a base that differ by one proton

Question 10

Salt

Answer 10

Substance formed when the hydrogen ion from an acid is replaced by a metal or an ammonium ion

Question 11

Neutralisation

Answer 11

Reaction between an acid and a base to form a salt and water