2.4 Acids and Redox Flashcards
1
Q
Acid
A
A species that releases H+ ions in an aqueous solution
2
Q
Strong acid
A
A species that completely dissociates in an aqueous solution.
3
Q
Weak acid
A
A species that partially dissociates in an aqueous solution.
4
Q
Base
A
A base neutralises an acid to form a salt
5
Q
Alkali
A
A base that dissolves in water releasing OH- ions
6
Q
Titration
A
A technique used to accurately measure the volume of one solution that reacts exactly with another.
7
Q
Oxidation numbers
A
help when writing formulae and balancing electrons as a check that all electrons have been accounted for
8
Q
Oxidation number for elements
A
is 0
9
Q
Oxidation numbers for compounds
A
the charge of the compound
10
Q
Reduction in terms of oxidation numbers
A
Oxidation numbers decrease
11
Q
Oxidation in terms of oxidation numbers
A
Oxidation numbers increase
