Alcohols
11.6What the syllabus asks of you
- Describe the manufacture of ethanol by: (a) fermentation of aqueous glucose at 25–35 °C in the presence of yeast and in the absence of oxygen (b) catalytic addition of steam to ethene at 300 °C and 6000 kPa / 60 atm in the presence of an acid catalyst including a comparison of the advantages and disadvantages of the two methods
- Describe the combustion of alcohols
- State the uses of ethanol as: (a) a solvent (b) a fuel
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Chapter 11: Alcohols
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Every question on Alcohols, untimed, marked as you go.
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18 questions
1May / June 2025 · Paper 12 · Q35Show mark scheme →
AAn alcohol with two carbon atoms in each molecule is called methanol.
BButanol can be combusted to give carbon dioxide and water only.
CEthanol is the only alcohol that can be oxidised to a carboxylic acid.
DPropanol can be made by the catalysed addition of steam to ethene.
Mark scheme
2Oct / Nov 2024 · Paper 11 · Q35Show mark scheme →
Apropan-1-ol; carboxylic acid
Bpropan-1-ol; ester
Cbutan-1-ol; carboxylic acid
Dbutan-1-ol; ester
Mark scheme
3Oct / Nov 2024 · Paper 12 · Q37Show mark scheme →
AStatements 1 and 2 are both true.
BStatement 1 is true. Statement 2 is false.
CStatement 1 is false. Statement 2 is true.
DStatements 1 and 2 are both false.
Mark scheme
4May / June 2024 · Paper 11 · Q37Show mark scheme →
Aethene; catalytic addition of steam at 300°C and 6000 kPa
Bethene; catalytic addition of steam at 30°C and 60 000 kPa
Cglucose; 135°C in the presence of yeast and absence of oxygen
Dglucose; 35°C in the presence of yeast and oxygen
Mark scheme
5May / June 2024 · Paper 12 · Q36Show mark scheme →
Abutan-1-ol, 6
Bbutan-2-ol, 12
Cpropan-1-ol, 3
Dpropan-2-ol, 6
Mark scheme
6Oct / Nov 2023 · Paper 11 · Q37Show mark scheme →
AC3H8O3 + 5O2 → 3CO2 + 4H2O
B2C3H8O3 + 3O2 → 6CO2 + 8H2
C2C3H8O3 + 7O2 → 6CO2 + 8H2O
D4C3H5O3 + 11O2 → 12CO2 + 10H2O
Mark scheme
7Oct / Nov 2023 · Paper 12 · Q36Show mark scheme →
Astatement 1 = true, statement 2 = true
Bstatement 1 = true, statement 2 = false
Cstatement 1 = false, statement 2 = true
Dstatement 1 = false, statement 2 = false
Mark scheme
8May / June 2023 · Paper 11 · Q37Show mark scheme →
A9
B10
C18
D19
Mark scheme
9May / June 2022 · Paper 12 · Q19Show mark scheme →
AC$_4$H$_9$OH(l) + 5O$_2$(g) $\rightarrow$ 4CO$_2$(g) + 5H$_2$O(g) $\Delta H$ = –2676 kJ / mol
BC$_4$H$_9$OH(l) + 5O$_2$(g) $\rightarrow$ 4CO$_2$(g) + 5H$_2$O(g) $\Delta H$ = +2676 kJ / mol
CC$_4$H$_9$OH(l) + 6O$_2$(g) $\rightarrow$ 4CO$_2$(g) + 5H$_2$O(g) $\Delta H$ = –2676 kJ / mol
DC$_4$H$_9$OH(l) + 6O$_2$(g) $\rightarrow$ 4CO$_2$(g) + 5H$_2$O(g) $\Delta H$ = +2676 kJ / mol
Mark scheme
10May / June 2022 · Paper 12 · Q36Show mark scheme →
AAlcohol 1 can be made by the addition of steam to an alkene.
BAlcohol 2 can be made from glucose.
CAlcohol 3 is a renewable energy source.
DAlcohol 4 has only one other isomer.
Mark scheme
11May / June 2021 · Paper 12 · Q17Also set in May / June 2021 Paper 11Show mark scheme →
A1 only
B2 only
Cboth 1 and 2
Dneither 1 nor 2
Mark scheme
12May / June 2021 · Paper 12 · Q37Also set in May / June 2021 Paper 11, May / June 2016 Paper 11Show mark scheme →
A1 and 2
B1 and 3
C2 and 4
D3 and 4
Mark scheme
13Oct / Nov 2020 · Paper 11 · Q37Show mark scheme →
Acombustion, acidification, fermentation
Bcombustion, esterification, addition
Coxidation, acidification, addition
Doxidation, esterification, fermentation
Mark scheme
14May / June 2020 · Paper 12 · Q36Show mark scheme →
Aethanoic acid
Bethanol
Cpropanoic acid
Dpropanol
Mark scheme
15Oct / Nov 2019 · Paper 11 · Q36Show mark scheme →
A1 and 2 only
B1 and 3 only
C2 and 3 only
D1, 2 and 3
Mark scheme
16Oct / Nov 2019 · Paper 12 · Q37Show mark scheme →
Aaddition
Bcombustion
Cpolymerisation
Dsubstitution
Mark scheme
17May / June 2019 · Paper 12 · Q36Show mark scheme →
ACH3CO2H; 1 only
BC2H5CO2H; 1 only
CCH3CO2H; 2 only
DC2H5CO2H; 2 only
Mark scheme
18Oct / Nov 2017 · Paper 11 · Q37Show mark scheme →
A1, 2 and 3
B1 and 4
C2, 3 and 4
D2 and 3 only
Mark scheme