Pearson Edexcel International AS Level · Chemistry (XCH11)

Introductory Organic Chemistry and Alkanes: Practice Questions

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

8 questions14 marksFree, no account

Question 1

1 mark

Which of the following is a common pollutant specifically formed during the incomplete combustion of alkane fuels?

Question 2

1 mark

What is the IUPAC name for the alkane shown in the skeletal formula below?

Question 3

1 mark

Alkanes are saturated hydrocarbons that can exhibit structural isomerism. How many structural isomers (including the straight-chain isomer) exist for an alkane with the molecular formula \( \text{C}_6\text{H}_{14} \)?

Question 4

1 mark

What is the general formula for a cycloalkane?

Question 5

1 mark

How many structural isomers are there for the alkane with the molecular formula \( \text{C}_4\text{H}_{10} \)?

Question 6

2 marks

Give the IUPAC name for the alkane with the structural formula \( \text{CH}_3\text{CH}(\text{CH}_3)\text{CH}_2\text{CH}_2\text{CH}_3 \) and state its molecular formula.

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

Question 7

2 marks

Define the term homolytic fission in the context of bond breaking in organic chemistry.

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

Question 8

5 marks

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

(a) Describe a chemical test to distinguish between ethane and ethene. State the reagent used and the observation for each compound.
(b) Ethene can be converted into ethane in an addition reaction. State the reagent and the catalyst required for this conversion.
(c) Draw the displayed formula for the product formed when ethene reacts with bromine water.

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

* The content provided by thinka is generated by AI and may not always be accurate or up-to-date. Please use it as a supplementary resource and verify with official materials.

You've seen the model answer. Now get yours marked.

This page can show you how a good answer looks. It cannot tell you what your answer was missing. thinka marks your written work against the real mark scheme in about 15 seconds.

Get My Answers Marked Back to the notes

Want more questions like these? Get a fresh set on this topic, graded as you go.

Practice More