Electrolysis Flashcards
1
Q
An anion is
A
A negatively charged ion
2
Q
The anode is
A
The positive electrode
3
Q
The cathode is
A
The negative electrode
4
Q
The cation is
A
The positive ion
5
Q
An electrode is
A
A rod made of a metal or graphite that carries the current into or out of the electrolyte.
6
Q
Electrolysis is
A
The process in which electrical energy, from a direct current supply, decomposes electrolytes.
7
Q
An electrolyte is
A
An ionic that is molten or dissolved in water
8
Q
A half equation is
A
An ionic equation showing the electrons gained or lost in oxidation or reduction reactions
9
Q
Oxidation is
A
A reaction in which a substance gains oxygen or loses electrons
10
Q
Oxidation occurs at
A
The anode
11
Q
Reduction is
A
A reaction in which a substance loses oxygen or gains electrons
12
Q
Reduction occurs at
A
The cathode
