return to Industrial Chemistry

VCE CHEMISTRY (3)

ETHENE (chapter 14)

1. List uses for ethene.

2. Briefly describe the composition of natural gas and crude oil

3. What is (i) a hydrocarbon
(ii) the general formula for an alkane
(iii) a saturated hydrocarbon
(iv) an homologous series

4. What is (i) an alkene
(ii) an unsaturated hydrocarbon
(iii) the general formula for an alkene

5. Write the name and formula for the first 10 alkanes and corresponding 9 alkenes.

6. Describe the production of ethene from crude oil. Include the process of fractional distillation and cracking (thermal and catalytic). Write an equation to represent the cracking process.

7. What is desulfurisation? Why is it used?

8. List the properties of ethene and draw its structure.

9. What types of reactions do unsaturated compounds undergo?

10. Describe the test for unsaturation. (Include an equation).

11. Describe how ethanol is produced from ethene (include an equation). How else can ethanol be produced?

12. Describe the production of polyethene, polystyrene and polyvinyl chloride. Show equations.

13. Attempt Q3-18. (As many as you have time to undertake)