1. Why are alkanes classified as saturated hydrocarbons?

Question 1 of 29

2. What is the name of this molecule?

Question 2 of 29

3. When long chain alkanes are cracked, what is produced?

Question 3 of 29

4. Explain how crude oil is separated into fractions

Question 4 of 29

5.

A student has been asked to draw all the alkene isomers of C₄H₁₀ and draws the following. Which of the following statements about the student's diagram is correct?

Question 5 of 29

6. Write a chemical equation for the complete combustion of propane

Question 6 of 29

7. State the general formula for alkenes

Question 7 of 29

8. What is a substitution reaction?

Question 8 of 29

9. Explain the term unsaturated

Question 9 of 29

10. Why does incomplete combustion occur?

Question 10 of 29

11. Name this molecule

Question 11 of 29

12. State the names and molecular formulae of the first 5 alkanes

Question 12 of 29

13. Explain what an addition polymer is

Question 13 of 29

14. What is a substance called if it, when burned, releases heat energy?

Question 14 of 29

15. What is meant by the term biodegradable?

Question 15 of 29

16. Bromine is added to a sample of an alkane and also to a sample of an alkene. Describe the result of each.

Question 16 of 29

17. This diagram shows one repeat unit of a polymer. Name the monomer used to make this polymer.

Question 17 of 29

18. Recall a use of refinery gases

Question 18 of 29

19. Which fraction of crude oil is the most viscous?

Question 19 of 29

20. Explain why cracking is an important process in the oil industry

Question 20 of 29

21. A pupil has tried to write down various ways of representing butane using: molecular formula, displayed formula, general formula, empirical formula and stuctural formula. However she has missed one out. Which one?

Question 21 of 29

22. What is crude oil?

Question 22 of 29

23. What are isomers?

Question 23 of 29

24. When lots of these molecules have their double bond broken and they all join together into a long chain, what is the new molecule called?

Question 24 of 29

25. Explain the term hydrocarbon

Question 25 of 29

26.

What is the functional group of an alkene?

Question 26 of 29

27. What are the two products of the reaction between methane and bromine? (2)

Question 27 of 29

28. What is produced when an alkene reacts with bromine?

Question 28 of 29

29. What is the name of this molecule?

Question 29 of 29