Chemistry · Unique behaviour of the first element in each group

Which of the following is an allotropic form of carbon?

Which of the following is an allotropic form of carbon?

  • A. Diamond
  • B. Graphite
  • C. Fullerence
  • D. All of these

Step-by-step solution

Diamond, graphite, and fullerenes are all allotropes of carbon, meaning they are different structural forms of the same element. Therefore, the correct choice is D.
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