CSEC Chemistry · January 2006 · Paper 2 · Question 4(b)(i)
Ethene reacts with chlorine to form 1,2-dichloroethane.
Write a balanced equation to show this reaction.
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- 4(a)(i)What is meant by the term 'cracking'?[1 mark]
- 4(a)(ii)Write a balanced equation to illustrate how ethene is formed by the cracking of C₈H₁₈.[2 marks]
- 4(b)(ii)1,2-dichloroethane can be decomposed to form chloroethene (CH₂ = CHCl) and hydrogen chloride. Describe a test that can be used to distinguish between…[3 marks]
- 4(b)(iii)Based on the data in Table 4, suggest a suitable technique that can be used to separate chloroethene from the reaction mixture.[1 mark]
- 4(c)(i)Write an equation to illustrate how a partial structure of PVC is formed from its monomer, chloroethene.[2 marks]
- 4(c)(ii)Name the polymerization process which occurs in the formation of PVC.[1 mark]
- 4(c)(iii)Name a polymer that is formed by a process which is different from that of PVC, and the type of linkage which occurs in that polymer. Name of polymer:…[3 marks]
More practice: the rest of this paper · more Reactions of Carbon Compounds questions · all CSEC Chemistry past papers