GCE O-Level · Science (Chemistry, Biology) (5088)

Organic Chemistry: Practice Questions

5 multiple-choice questions marked as you go, and 3 written questions with worked solutions. All on Organic Chemistry.

8 questions15 marksFree, no account

Question 1

1 mark

Ethane reacts with chlorine gas in the presence of ultraviolet (UV) light. What type of reaction is this?

Question 2

1 mark

A student has two colorless liquids. One is an alkane and the other is an alkene. Which reagent can be used to distinguish between them, and what is the observation for the alkene?

Question 3

1 mark

Ethanol can be converted into ethanoic acid. Which of the following conditions and reagents would achieve this conversion?

Question 4

1 mark

Which statement correctly describes a homologous series?

Question 5

1 mark

Which of the following describes the manufacture of margarine from vegetable oils?

Question 6

2 marks

State the general formula of the alkanes homologous series and name the second member of this series.

Write your answer out first, then check it against the worked solution.

Question 7

3 marks

Describe a chemical test to distinguish between a sample of ethene and a sample of ethane, stating the observations for each.

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Question 8

5 marks

Ethane and ethene are both hydrocarbons that belong to different homologous series.

(a) State the general formula for the homologous series of alkanes and alkenes.
(b) Describe a chemical test to distinguish between ethane and ethene, including the observations for both substances.
(c) Ethene can undergo a process to form poly(ethene). Name this process and describe how the structure of the product is formed from its monomers.

Write your answer out first, then check it against the worked solution.

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