Question

Generally, non-metals are not conductors of electricity. Which of the following is a good conductor of electricity? 

(a) Diamond 

(b) Graphite 

(c) Sulphur 

(d) Fullerene

Answer 1

The answer is (b) Graphite

• Graphite is a good conductor of electricity. Its structure is the main reason for this property. 
• Each carbon atom in graphite is directly linked to only three carbon atoms through covalent bonds.
• These free electrons make graphite a good conductor of electricity and also a good lubricant