Chapter 20 Acids, bases and pH Flashcards
1
Q
Define a Brønsted-Lowry aciD.
A
A species that is a proton Donor
2
Q
Define a Brønsted-Lowry bAse
A
A species that is a proton Acceptor
3
Q
What is a monobasic acid?
A
Donates one H+ ion per molecule
4
Q
What is a dibasic acid?
A
An acid that donates 2 H+ ions per molecule
5
Q
What is a tribasic acid?
A
An acid that donates 3 H+ ions per molecule
6
Q
Define a conjugate acid- base pair.
A
2 species that can become an acid or base by the transfer of 1 H+ ion
7
Q
Acid + base —>
A
Salt + water
8
Q
Acid + alkali
A
Salt + water
9
Q
Acid + carbonate
A
Salt + water + carbon dioxide
10
Q
Acid + metal
A
Salt + hydrogen
11
Q
Neutralisation of acid+alkali
A
H+ + OH- —> H2O
12
Q
Low value of [H+] = _____ pH
A
HIGH
13
Q
high value of [H+] = _____ pH
A
LOW
14
Q
What is the value the ionic product of water?
A
1 x 10-14
15
Q
Value for Kw.
A
1 x10-14
