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CSEC Chemistry · January 2013 · Paper 2 · Question 3(a)(ii)

Two compounds, (C₂H₄) and (C₂H₆) labelled A and B respectively, are gases which burn in oxygen.

State whether Compound A burns in air with a sooty flame or a clean, blue flame.

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Other parts of this question

  1. 3(a)(i)Draw the FULLY DISPLAYED structures and state the names of BOTH compounds.[4 marks]
  2. 3(a)(iii)Write a balanced chemical equation for this reaction.[2 marks]
  3. 3(b)(i)Explain why Compound C is soluble in water and Compound D is not.[2 marks]
  4. 3(b)(ii)Write a balanced equation for the chemical reaction of Compound C with calcium metal.[2 marks]
  5. 3(c)(i)What is a polymer?[1 mark]
  6. 3(c)(ii)a)What type of polymerization has taken place?[1 mark]
  7. 3(c)(ii)b)What is the name of the product that is formed in (ii) a)?[1 mark]
  8. 3(c)(ii)c)State ONE use of the product formed in (ii) a).[1 mark]

More practice: the rest of this paper · more Reactions of Carbon Compounds questions · all CSEC Chemistry past papers