1. State the raw materials needed for manufacture of ethanol by the fermentation of sugars.

Question 1 of 14

2. What type of reaction is the complete combustion of ethanol?

Question 2 of 14

3. A few drops of what should be added to ethanoic acid and ethanol to produce ethyl ethanoate?

Question 3 of 14

4. What is the name of this ester?

Question 4 of 14

5. Of which homologous series is -OH the functional group?

Question 5 of 14

6. What is the molecular formula of ethanol?

Question 6 of 14

7.

In the production of ethanol by fermentation, why is the process done in the absence of air?

Question 7 of 14

8. Of which homologous series is -COO- the functional group?

Question 8 of 14

9. What is the functional group of a carboxylic acid?

Question 9 of 14

10. Which ester is produced when ethanol and ethanoic acid react in the presence of an acid catalyst?

Question 10 of 14

11. Vinegar is an aqueous solution which always includes which compound?

Question 11 of 14

12. Name this molecule

Question 12 of 14

13. What observation is made when an aqueous solution of a carboxylic acid reacts with a metal? What product is responsible for this observation?

Question 13 of 14

14. What 2 properties makes esters useful in food flavourings and in perfumes?

Question 14 of 14


 

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