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Question 1
Methylated spirit is a product made from a mixture of substances. The table below shows the mass of the substances in a sample of methylated spirit. |
a) | Calculate the percentage by mass of ethanol in methylated spirit.
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b) | Ethanol can be produced through the process of fermentation. Write a word equation for the production of ethanol through fermentation.
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c) | Describe the conditions required for the production of ethanol via fermentation.
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d) | Draw the displayed formula of ethanol.
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Question 2
This question is about ethanol and ethanoic acid. |
a) | Ethanoic acid can be formed from ethanol. What type of reaction is this? A oxidation B reduction C displacement D combustion
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b) | Draw the structure of ethanoic acid to show all the covalent bonds.
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c) | Ethanoic acid reacts with sodium carbonate to form sodium ethanoate, water, and carbon dioxide. Balance the equation below to show the reaction.
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d) | Describe a test for the gas produced.
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Question 3
This questions is about alcohols and carboxylic acids. |
a) | Draw the structure of propanol to show all the covalent bonds.
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b) | Give two reasons why methanol, ethanol, propanol and butanol are all part of the same homologous series.
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c) | State one use of propanol.
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d) | Describe the process of producing a carboxylic acid from propanol.
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Question 4
This question is about the reaction between carboxylic acids and metal carbonates. |
a) | Ethanoic acid can be produced by oxidising ethanol. Describe a process for obtaining ethanol.
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b) | Draw the structure of ethanoic acid to show the covalent bonds.
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c) | Write the word equation for the reaction between ethanoic acid and sodium carbonate.
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d) | The gas produced is collected in a test tube. Describe a test to identify the gas.
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Question 5
This question is about alcohols, carboxylic acids, and esters. |
a) | Propanol can be produced by reacting propene with steam. Write a balanced symbol equation for the reversible reaction between propene with steam.
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b) | Describe how propanoic acid can be obtained from propanol.
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c) | Propanoic acid and ethanol are reacted to form an ester and one other product. Write a word equation for this reaction.
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d) | The ester formed in part c) has the formula C2H5CO2C2H5. Complete the diagram below to show the ester formed in part c).
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Question 6
This question is about carboxylic acids, alcohols and esters. |
a) | A student reacts a carboxylic acid with an alcohol to form the ester in the diagram below. State the name of the ester produced.
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b) | State the name of the carboxylic acid used in the reaction to produce the ester in part a).
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c) | Propanol is produced by reacting propene with steam in the presence of a catalyst. Write a balanced chemical equation to show the reversible reaction between propene and steam.
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d) | State one use of esters.
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Question 7
This question is about the incomplete combustion of ethanol. |
a) | Describe how ethanol can be produced from sugar.
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b) | Draw the displayed formula of ethanol to show the covalent bonds.
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c) | Write the balanced chemical equation for the incomplete combustion of ethanol.
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d) | State the name of the poisonous gas that is produced during the incomplete combustion of ethanol.
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e) | Explain why the gas produced during the incomplete combustion of ethanol is poisonous.
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Question 8
This question is about alcohols, carboxylic acids and esters. |
a) | Complete the table to show the missing information.
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b) | Write a balanced chemical equation for the production of methyl ethanoate.
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c) | Describe how butanoic acid can be formed from an alcohol.
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d) | State one property of alcohols that makes them suitable as fuels.
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Question 9
This question is about alcohols. |
a) | The table below shows information about the first four alcohols in the alcohol homologous series. Complete the table to show the missing information. The first one has been done for you.
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b) | Ethanol can be produced by reacting an alkene with steam. Write the chemical equation for this reversible reaction.
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c) | Which statement is correct about butanol? A butanol has the formula CH3CH2CH2COOH B butanol is a smaller molecule than propanol C butanol has a higher boiling point than ethanol D butanol is a hydrocarbon
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d) | What are the products formed when an alcohol reacts with a carboxylic acid? A ester only B ester + water C ester + carbon dioxide D ester + carbon dioxide + water
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