ELECTROLYSIS OF LEAD BROMIDE Flashcards
1
Q
What is the chemical formula of lead bromide?
A
PbBr2 (l)
2
Q
What state is the lead bromide in?
A
Molten therefore liquid
3
Q
What is the substance formed at the anode?
A
Bromine
4
Q
What is the chemical formula of bromine?
A
Br2
5
Q
What is the substance formed at the cathode?
A
Lead
6
Q
What is the half equation at the anode?
A
2Br- –> Br2 + 2e-
7
Q
What is the half equation at the cathode?
A
Pb2+ + 2e- –> Pb
8
Q
What is the state of the bromine formed at the anode?
A
Gas
9
Q
What is the state of the lead formed at the cathode?
A
Solid
10
Q
Do the bromide ions undergo reduction or oxidation?
A
Oxidation
11
Q
Do the lead ions undergo reduction or oxidation?
A
Reduction
12
Q
What do we use bromine for?
A
Pesticides
Medicines
