DP Chemistry (first assessment 2025)

Test builder »

Question 21M.1A.SL.TZ2.24

Date	May 2021	Marks available	[Maximum mark: 1]	Reference code	21M.1A.SL.TZ2.24
Level	SL	Paper	1A	Time zone	TZ2
Command term	Identify	Question number	24	Adapted from	N/A

24.

[Maximum mark: 1]

21M.1A.SL.TZ2.24

Which is in the same homologous series as CH₃OCH₃?

A. CH₃COCH₃

B. CH₃COOCH₃

C. CH₃CH₂CH₂OH

D. CH₃CH₂CH₂OCH₃

[1]

Markscheme

D

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.