1. A cathode and an anode are the most common components of an electrochemical cell. Which of the following claims about the cathode is correct? a) Oxidation occurs at the cathode b) Electrons move into the cathode c) Usually denoted by a negative sign d) Is usually made up of insulating material
Cathode is denoted by positive sign as electron enters in it whereas, anode as negative sign as electron moves out of it. So, the correct answer is Option E.
