DP Chemistry (first assessment 2025)

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Question 22M.1A.SL.TZ1.26

Date	May 2022	Marks available	[Maximum mark: 1]	Reference code	22M.1A.SL.TZ1.26
Level	SL	Paper	1A	Time zone	TZ1
Command term	State	Question number	26	Adapted from	N/A

26.

[Maximum mark: 1]

22M.1A.SL.TZ1.26

Which reagents and conditions are best for converting propan-1-ol into propanoic acid?

A. Reflux with acidified potassium dichromate (VI)

B. Reflux with aqueous sodium hydroxide

C. Distil with acidified potassium dichromate (VI)

D. Distil with aqueous sodium hydroxide

[1]

Markscheme

A

Syllabus sections

Structure 3. Classification of matter » Structure 3.2—Functional groups: Classification of organic compounds » Structure 3.2.3—A homologous series is a family of compounds in which successive members differ by a common structural unit, typically CH2. Each homologous series can be described by a general formula. Identify the following homologous series: alkanes, alkenes, alkynes, halogenoalkanes, alcohols, aldehydes, ketones, carboxylic acids, ethers, amines, amides and esters.