Question

In the electrolysis of water ,electrodes are made using two pencils and they are connected to positive and negative electrode of 9 V battery. Answer the given questios
I) which material in pencil is conductor?
ii) Name positive and negative electrode
iii) gas produced at + ve and - ve electrode.

Answer 1

Answer:

1. Graphite
2. Cathode( - ) and Anode( + )
3. Oxygen gas being produced at the anode(+ electrode) and hydrogen gas produced at the cathode(- electrode)