Which one of the following statements is NOT correct ?
- A. Diamond is hard due to extended covalent bonding in it
- B. Fullerene is composed of five and six membered rings
- C. Diamond is a good conductor of electricity ✓
- D. Graphite is used as a lubricant
Correct Answer: C. Diamond is a good conductor of electricity
Explanation
Diamond is a poor conductor of electricity because it does not have any delocalized free electrons to carry charge.
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