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A conductor

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QUESTION

Which of the following is a conductor of heat?

  1. Graphite
  2. Plastic of sulphur
  3. Diamond
  4. Silica
ANSWER
Correct Option: Option C, Diamond
Diamond is a good conductor of heat as in diamond each carbon atom is tetrahedrally bonded to other carbon atoms. All the electrons are close together due to a strong bond between the atoms causing vibrations. Thus making it a good conductor of heat. because its 4 electrons shared there is no free electron to conduct.
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