11 markeasy
Which of these compounds is a tertiary alcohol?
Choose your answer
2-methylpropan-2-ol
3-methylbutan-2-ol
2,2-dimethylpropan-1-ol
3,3-dimethylbutan-2-ol
Chemistry
Organic Chemistry: Alcohols — Multiple-Choice Questions (Edexcel IAL Chemistry): Exam Questions
Exam code:YCH118 questions · 10 marks · ≈ 10 min
21 markeasy
Which reagent would convert an alcohol into an alkene?
Choose your answer
acidified potassium dichromate(VI)
anhydrous calcium sulfate
concentrated phosphoric acid
ethanolic potassium hydroxide
31 markeasy
A primary alcohol is heated under reflux with acidified potassium dichromate(VI).
What is the organic product?
Choose your answer
An aldehyde
A carboxylic acid
An ester
A ketone
41 markmedium
Which of these compounds does not react with acidified potassium dichromate(VI)?
Choose your answer
CH3CH2OH
CH3CHOHCH3
CH3CH2CHO
CH3COCH3
52 marksmedium
(a)
Organic reactions can be classified in different ways.
How should the reaction shown be classified?
Choose your answer
addition
oxidation
polymerisation
substitution
(b)
How should the reaction shown be classified?
Choose your answer
addition
oxidation
reduction
substitution
62 marksmedium
(a)
Some alcohols react with concentrated phosphoric(V) acid, H3PO4 , to form alkenes.
What type of reaction occurs?
Choose your answer
addition
elimination
hydrolysis
substitution
(b)
The structure of 2-methylpentan-3-ol is shown.
This alcohol reacts with concentrated phosphoric(V) acid. How many different alkenes can form?
Choose your answer
one
two
three
four
71 markmedium
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]
Choose your answer
4.8 dm3
8.4 dm3
12.0 dm3
16.8 dm3
81 markmedium
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]
Choose your answer
10.8 g
36.0 g
40.8 g
83.3 g