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1 markStructure and Bonding

CSEC Chemistry · May/June 2009 · Paper 2 · Question 2(b)(i)

Diamond and graphite are both allotropes of carbon.

Explain what is meant by the term 'allotrope'.

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Other parts of this question

  1. 2(a)(i)Name the THREE states of matter.[1 mark]
  2. 2(a)(ii)Which of the two temperatures, (A) and (B) in Figure 3 represents melting point? boiling point?[2 marks]
  3. 2(a)(iii)What would be observed at (C) in Figure 3?[1 mark]
  4. 2(a)(iv)Name the process which occurs when the following conversions take place. Water vapour → water Iodine (s) → iodine (g)[2 marks]
  5. 2(b)(ii)Which of the two allotropes of carbon, diamond or graphite, conducts electricity? Explain your answer in terms of the structure and bonding of the two…[2 marks]
  6. 2(c)(i)Name ONE natural source of hydrocarbons.[1 mark]
  7. 2(c)(ii)Define the term 'structural isomerism'.[1 mark]
  8. 2(c)(iii)In the space provided below draw fully displayed structures of TWO isomers of a hydrocarbon with four carbon atoms. Name the TWO isomers.[4 marks]

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