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Synthetic polymers

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Question 9

The equation for one reaction that occurs when a long-chain alkane is cracked is:

CaHb→C6H14+2C3H6 \text{C}_{a}\text{H}_{b} \rightarrow \text{C}_6\text{H}_{14} + 2\text{C}_3\text{H}_6 Ca​Hb​→C6​H14​+2C3​H6​
a.

Deduce the molecular formula of CaHb\text{C}_{a}\text{H}_{b}Ca​Hb​.

[2]
b.

Give the IUPAC name for C6H14\text{C}_6\text{H}_{14}C6​H14​.

[1]
c.

Draw the displayed formula of propene, C3H6\text{C}_3\text{H}_6C3​H6​.

[1]
d.

Propene can undergo addition polymerisation to form poly(propene). Draw the displayed formula for the repeat unit of poly(propene).

[1]
Markscheme

Synthetic polymers Questions

  1. IGCSE
  2. /Chemistry
  3. /Synthetic polymers

10 exam-style questions on Edexcel IGCSE Chemistry Synthetic polymers. Each one has a worked solution and a mark scheme showing where the marks go.

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