Acids Bases and Salts

Question 1

What are the pH numbers for weak acids/alkalis etc

Answer 1

Strong Acid: 1 - 3
Weak Acid: 4 - 6
Neutral: 7
Weak Alkali: 8-10
Strong alkali: 11-14

Question 2

What ions are acids a source of (in aq solution)

Answer 2

H+

Question 3

What ions are alkalis a source of (in aq solution)

Answer 3

OH-

Question 4

What can alkalis do to acids

Answer 4

Neutralise
H+ + OH- –> H2O

Question 5

Acids and bases in terms of proton transfer

Answer 5

Acid: Proton donor (H+)
Base: Proton acceptor