Question

wood is a bad conductor of electricity however when used as electrodes in the process of electrolysis pencil are capable of conducting electricity why

Answer 1

Yes, wood is a bad conductor of electricity. A pencil can be used as electrode for conduction of electricity not because of wood, but because of lead present inside the wood in the pencil. This lead is made of graphite which is a good conductor of electricity.

Answer 2

because pencil doesn't capable of conducting electricity graphite present inside it conducts electricity