1
1 mark
Which of these compounds is a tertiary alcohol?
2-methylpropan-2-ol
3-methylbutan-2-ol
2,2-dimethylpropan-1-ol
3,3-dimethylbutan-2-ol
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Organic Chemistry: Alcohols (Edexcel International A Level (IAL) Chemistry): Exam Questions
Exam code: YCH11
9 mins7 questions
2
1 mark
Which reagent would convert an alcohol into an alkene?
acidified potassium dichromate(VI)
anhydrous calcium sulfate
concentrated phosphoric acid
ethanolic potassium hydroxide
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1
1 mark
Which of these compounds does not react with acidified potassium dichromate(VI)?
CH3CH2OH
CH3CHOHCH3
CH3CH2CHO
CH3COCH3
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2a
1 mark
Organic reactions can be classified in different ways.
How should the reaction shown be classified?
addition
oxidation
polymerisation
substitution
2b
1 mark
How should the reaction shown be classified?
addition
oxidation
reduction
substitution
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3a
1 mark
Some alcohols react with concentrated phosphoric(V) acid, H3PO4 , to form alkenes.
What type of reaction occurs?
addition
elimination
hydrolysis
substitution
3b
1 mark
The structure of 2-methylpentan-3-ol is shown.
This alcohol reacts with concentrated phosphoric(V) acid.
How many different alkenes can form?
one
two
three
four
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4
1 mark
What is the minimum volume of oxygen gas, measured at room temperature and pressure, required for the complete combustion of 9.2 g of C3H8O3 (Mr = 92)?
[Molar volume of gas at room temperature and pressure = 24.0 dm3 mol−1]
4.8 dm3
8.4 dm3
12.0 dm3
16.8 dm3
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5
1 mark
The oxidation of propan-1-ol by acidified potassium dichromate(VI) forms propanoic acid with a yield of 36% by mass.
What mass of propan-1-ol is needed to form 37.0 g of propanoic acid in this reaction?
[Mr of propanoic acid = 74 Mr of propan-1-ol = 60]
10.8 g
36.0 g
40.8 g
83.3 g
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