Question

The observation seen when fused lead bromide is electrolysed is ______.

Options

• A silver grey deposit at anode and a reddish brown deposit at cathode.

• A silver grey deposit at cathode and a reddish brown deposit at anode.

• A silver grey deposit at cathode and reddish brown fumes at anode.

• Silver grey fumes at anode and reddish brown fumes at cathode.

Answer 1

The observation seen when fused lead bromide is electrolysed is a silver grey deposit at cathode and a reddish brown deposit at anode.

Explanation:

Silver grey colour is due to lead metal deposited at cathode and reddish brown fumes at anode is due to bromine vapours.