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7.2 Reactions of alkenes and alcohols

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Question 25

A molecular modelling program represents each atom by one sphere. One model represents a molecule of an alkene and contains 27 spheres in total.

a.

Calculate the number of carbon atoms and the number of hydrogen atoms in the molecule.

[2]
b.

The program changes the molecule to the alkane with the same number of carbon atoms.

Calculate the total number of spheres in the new model.

[2]
Markscheme

7.2 Reactions of alkenes and alcohols Questions

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

97 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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