CourseCourseConceptConceptDocumentDocument

CAIE A-Level Chemistry AS 16 Hydroxy Compounds Questions

Practise alcohol preparation, classification, reactions, oxidation products, iodoform testing and relative acidity, selecting reagents and conditions for each transformation.

Syllabus
2028–2030
Course
Chemistry 9701
Level
AS

Covered syllabus points

16.1 Alcohols

Question 1

[Maximum number: 1]

The conversion of propan-1-ol into propan-2-ol can be completed in a two-stage synthesis.
The first stage is to heat the propan-1-ol with concentrated sulfuric acid.

Which reagent would be needed to complete the second stage?

A

cold dilute acidified manganate(VII) ions

B

hot concentrated acidified manganate(VII) ions

C

steam with phosphoric acid

D

aqueous sodium hydroxide

Question 2

[Maximum number: 1]

Compound X is a single, pure, optical isomer. Compound X is heated with an excess of concentrated H2SO4\mathrm{H}_{2} \mathrm{SO}_{4}. Only one organic product is formed.

What is compound X ?

A
Figure for Question 2 — CAIE A-Level Chemistry AS — Option A
B
Figure for Question 2 — CAIE A-Level Chemistry AS — Option B
C
Figure for Question 2 — CAIE A-Level Chemistry AS — Option C
D
Figure for Question 2 — CAIE A-Level Chemistry AS — Option D

Question 3

[Maximum number: 1]

Which compound is a secondary alcohol that can be dehydrated to form an alkene with Mr=70M_{\mathrm{r}}=70 ?

A
Figure for Question 3 — CAIE A-Level Chemistry AS — Option A
B
Figure for Question 3 — CAIE A-Level Chemistry AS — Option B
C
Figure for Question 3 — CAIE A-Level Chemistry AS — Option C
D
Figure for Question 3 — CAIE A-Level Chemistry AS — Option D

Question 4

[Maximum number: 1]

Four different alcohols are treated with alkaline I2(aq)\mathrm{I}_{2}(\mathrm{aq}).
Which row is correct?

name of alcohol

formulae of products

butan-2-ol

CH3COO−\mathrm{CH}_{3} \mathrm{COO}^{-}and CH3CI3\mathrm{CH}_{3} \mathrm{CI}_{3}

propan-1-ol

CH3COO−\mathrm{CH}_{3} \mathrm{COO}^{-}and CHI3\mathrm{CHI}_{3}

propan-2-ol

CH3COO−\mathrm{CH}_{3} \mathrm{COO}^{-}and CHI3\mathrm{CHI}_{3}

butan-2-ol

CH3CH2COO−\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{COO}^{-}and CH3I\mathrm{CH}_{3} \mathrm{I}

All question bank results loaded