Pearson Edexcel International GCSE (9–1) · CHEMISTRY · Section
A quick introductory look at the alcohols
20 practice questions
Practice questions
11–20 of 20
Question 11
1 mark · Normal
Answer and check →The compound with the formula CH3CH2OH is correctly named:
- A.Ethanol
- B.Methanol
- C.Ethanoic acid
- D.Propanol
Question 12
2 marks · Normal
Answer and see the solution →Write the name and displayed formula of the functional group present in all alcohols.
Question 13
4 marks · Normal
Answer and see the solution →Alcohols form a homologous series. The structure and naming of these compounds follow certain rules.
(a)[1 mark]What does the suffix '-ol' show in the name of a compound?
(b)[1 mark]Write the name of the alcohol with the molecular formula C4H9OH.
(c)[2 marks]Explain how the '-ol' ending helps to distinguish alcohols from other organic compounds.
Question 14
4 marks · Normal
Answer and see the solution →This question is about the naming of alcohols.
(a)[1 mark]State the suffix used in the names of alcohols.
(b)The following compounds are alcohols:
Compound Structural Formula Methanol CH3OH Propanol C3H7OH (i)[1 mark]Explain why the names of these compounds end with this suffix.
(ii)[1 mark]Describe how the position of the functional group can be shown in the names of alcohols containing more than two carbon atoms.
(c)[1 mark]What would be the name of an alcohol with the structural formula CH3CH2CH2OH?
Question 15
2 marks · Normal
Answer and see the solution →State the name and structure of the functional group present in all alcohols.
Question 16
4 marks · Normal
Answer and see the solution →This question is about the naming of alcohols.
(a)[1 mark]State the suffix that is used in the names of alcohols.
(b)[3 marks]Explain, with an example, how the suffix you named in part (a) is used to identify an alcohol.
Question 17
3 marks · Normal
Answer and see the solution →A compound contains 12 hydrogen atoms and 6 oxygen atoms. It belongs to the alcohol homologous series.
Calculate the total number of hydroxyl () functional groups in this compound. Show your working.
Question 18
2 marks · Hard
Answer and see the solution →The compound 2-methylpropan-1-ol is an example of an alcohol.
Describe how the suffix in its name shows it is an alcohol.
Question 19
5 marks · Hard
Answer and see the solution →This question is about alcohols.
(a)[1 mark]State the functional group present in all alcohols.
(b)[1 mark]Give the displayed formula for the functional group found in alcohols.
(c)[2 marks]A student draws the following structural formula:
Identify the functional group in this compound and describe its role in classifying this molecule as an alcohol.
(d)[1 mark]Explain why different alcohols have similar chemical properties, referring to their structure.
Question 20
2 marks · Hard
Answer and see the solution →A student notices that the names of several compounds below all end in '-ol':
methanol, propanol, butanol
Explain what the suffix '-ol' shows about these compounds. Give a reason for your answer.