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Carbon compounds

1. Write down the general formula of alkanes and write down the properties of a homologous series.

2. State two chemical reactions that an alkane undergoes. Give chemical equations for the example that you choose.

3. Write down the general formula of alkenes and state the differences between saturated hydrocarbons and unsaturated hydrocarbons.

4. State all the chemical reactions that are undergone by alkenes. Give chemical equations for the chemical reactions.

5. What is the isomerism. Draw all the structural isomers for C5H12 and C5H10. Give the names of the isomers.

6. Draw the structural formulae and name the first four members in the alcohol homologous series with the general formula CnH2n+1OH.

7. Describe how ethanol is produced in the laboratory.

8. State two physical and three chemical properties of ethanol. Give equations for the chemical properties of ethanol.

9. Give 3 uses of alcohol and 3 adverse effects of alcohol.

10. Draw the structural formula and name the first three members of the carboxylic acid homologous series with the general formula CnH2n+1COOH.

11. Describe how a sample of ethanoic acid is prepared in the laboratory.

12. Give three chemical properties of ethanoic acid. Give the equation and observations when ethanoic undergoes these reations.

13. The general formula of an ester is CnH2n+1COOCnH2n+1. Write the structural formula and draw the structural formula of the esters formed between a)ethanoic acid and methanol b) methanoic acid and ethanol c) propanoic acid and methanol.

14. What are the adverse effects of saturated fats on the health of a person.

15. Explain how coagulation of latex occurs in the laboratory and naturally.

16. How is natural rubber vulcanised in the laboratory. State the advantages of vulcanised rubber when compared with natural rubber.

 

Questions on Chapter 2 from WAJA 2008

Questions from WAJA 2009

Questions from WAJA 2010

 

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