Redox reactions Flashcards
1
Q
Redox reaction
A
Reaction involving the transfer of electrons.
2
Q
Oxidation
A
Loss of electrons.
3
Q
Reduction
A
Gain of electrons
4
Q
Oxidising agent
A
A substance that accepts electrons.
5
Q
Reducing agent
A
A substance that donates electrons.
6
Q
Anode
A
The electrode where oxidation takes place.
7
Q
Cathode
A
The electrode where reduction takes place.
8
Q
Electrolyte
A
A substance that can conduct electricity by forming free ions when molten or dissolved in solution.
9
Q
Spectator ion
A
Ions that do not take part in the transfer of electrons.
10
Q
Brine
A
A highly concentrated solution of sodium chloride.
11
Q
Function of salt bridge
A
It links the two half cells together in order to complete the circuit within the galvanic cell.
It maintains half-cell neutrality.
