The Fascinating World of Fullerenes
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Questions and Answers

Which of the following is true about fullerenes?

  • Fullerenes contain twenty six-membered rings and twelve five-membered rings.
  • Fullerenes consist mainly of C60 with a smaller quantity of C70 and traces of fullerenes consisting of an odd number of carbon atoms. (correct)
  • Fullerenes have a smooth structure with 'dangling' bonds.
  • Fullerenes are made by heating graphite in an electric arc in the presence of oxygen.

    • Which of the following is true about the shape of the C60 molecule?

  • The C60 molecule has a shape like a cylinder.
  • The C60 molecule has a shape like a cube.
  • The C60 molecule has a shape like a pyramid.
  • The C60 molecule has a shape like a soccer ball. (correct)

    • What is the hybridization of the carbon atoms in fullerenes?

  • sp3
  • sp2 (correct)
  • sp
  • dsp2

    • What gives an aromatic character to the fullerenes?

    <p>The presence of pi bonds.</p> Signup and view all the answers

    How many carbon atoms occupy the vertices of a C60 molecule?

    <p>60</p> Signup and view all the answers

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