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The allotropes of carbon are:

a. Carbon halides

b. Diamond

c. Fullerenes

d. Graphite

e. Chaoite


1. All above
2. b, c, d
3. a, b, c
4. a, b, d

1 Answer

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Best answer
Correct Answer - Option 2 : b, c, d

The correct answer is option B.

  • Allotropes are different structural types of the same element and therefore can exhibit different physical and chemical properties.
  • Carbon has the following allotrope
    • Graphite- It is a soft, black single-layered hexagonal lattice
    • Diamond-Tetrahedral geometry and is a poor conductor of electricity.
    • Fullerene- Also known as 'buckyballs'.
    • Graphene - It is a basic structural element of other allotropes like nanotubes, etc.
    • Carbyne- linear acetylenic carbon allotrope.

  • Chaoite
    • It is also known as White carbon.
    • It was discovered from the Ries crater in Bavaria.
    • It has a dihexagonal dipyramidal structure.
    • It is not an allotrope of carbon.

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