Question

why is graphite used as an electrode and not diamond

Answer 1

Graphite , because of its structure can conduct electricity and diamond can't and thus graphite is used in electrodes

Answer 2

$\bf YOUR \: QUESTION$

Why graphite is used as an anode but not diamond?

$\bf \blue {REQUIRED \: ANSWER}$

➥ Graphite is used as an anode because it is a good conductor of electricity due to presence of free electrons.

➥No free electrons are present in Diamond so, it is an insulator. Diamond is not used as anode because it is a bad conductor of electricity.

Hope it's helpful for you. ✔️