1. A student has been asked to draw all the alkene isomers of C₄H₈ and draws the following. Which of the following statements about the student's diagram is correct?

Question 1 of 29

2. Write the word equation for the reaction between methane and bromine

Question 2 of 29

3. State the general formula for alkenes

Question 3 of 29

4. What does volatile mean? Which fraction of crude oil is the most volatile?

Question 4 of 29

5. What is used to test if something is an alkane or and alkene?

Question 5 of 29

6. What is the name of this molecule?

Question 6 of 29

7. Name this molecule

Question 7 of 29

8. What does the following diagram represent?

Question 8 of 29

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

Question 9 of 29

10. What are isomers?

Question 10 of 29

11. Why does incomplete combustion occur?

Question 11 of 29

12. Why are alkanes classified as saturated hydrocarbons?

Question 12 of 29

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

Question 13 of 29

14. What is the name of this molecule?

Question 14 of 29

15. Explain the term hydrocarbon

Question 15 of 29

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

Question 16 of 29

17. Recall a use of refinery gases

Question 17 of 29

18. Recall all the possible products of the incomplete combustion of alkanes

Question 18 of 29

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

Question 19 of 29

20. What is the process of joining monomers together called?

Question 20 of 29

21. State the temperature for the cracking of hydrocarbons

Question 21 of 29

22. Crude oil contains a surplus of long chain alkanes and there is much higher demand for shorter chain alkanes. What process is used to deal with this imbalance?

Question 22 of 29

23. What is the name of the process in which crude oil is separated into its various components?

Question 23 of 29

24. What two things can be added together to produce a dibromoalkane?

Question 24 of 29

25. Why are alkenes classified as unsaturated hydrocarbons?

Question 25 of 29

26. Of which homologous series is >C=C< (a carbon-to-carbon double bond) the functional group?

Question 26 of 29

27. What is meant by the term biodegradable?

Question 27 of 29

28. What is crude oil?

Question 28 of 29

29. In what type of reaction is an atom or group of atoms added to a molecule without taking anything away?

Question 29 of 29


 

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