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7.2 Reactions of alkenes and alcohols

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Question 3
F

Alkenes react with the halogens chlorine, bromine and iodine. Alkenes also react with oxygen in combustion reactions.

a.

Name the functional group that all alkenes contain.

[1]
b.

Ethene reacts with iodine. Give the molecular formula of the product.

[1]
c.

Complete and balance the equation for the complete combustion of ethene by writing a number in each of the three spaces.

C2H4\text{C}_2\text{H}_4C2​H4​ + ....... O2\text{O}_2O2​ gives ....... CO2\text{CO}_2CO2​ + ....... H2O\text{H}_2\text{O}H2​O

[2]
Markscheme

7.2 Reactions of alkenes and alcohols Questions

  1. GCSE
  2. /Chemistry
  3. /7.2 Reactions of alkenes and alcohols

40 exam-style questions on AQA GCSE Chemistry 7.2 Reactions of alkenes and alcohols, covering 7.2.1 Structure and formulae of alkenes, 7.2.2 Reactions of alkenes, 7.2.3 Alcohols, 7.2.4a Carboxylic acids, and 7.2.4b Carboxylic acids as weak acids. Each one has a worked solution and a mark scheme showing where the marks go.

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