DP Chemistry (first assessment 2025)

Test builder »

Question 19N.1A.HL.TZ0.38

Date	November 2019	Marks available	[Maximum mark: 1]	Reference code	19N.1A.HL.TZ0.38
Level	HL	Paper	1A	Time zone	TZ0
Command term	Deduce, Determine	Question number	38	Adapted from	N/A

38.

[Maximum mark: 1]

19N.1A.HL.TZ0.38

Which can show optical activity?

A. CHBrCHCl

B. CH₃CH₂CHBrCH₂CH₃

C. (CH₃)₂CBrCl

D. CH₃CH₂CH(CH₃)Br

[1]

Markscheme

D

Syllabus sections

Reactivity 3. What are the mechanisms of chemical change? » Reactivity 3.2—Electron transfer reactions » Reactivity 3.2.7—Secondary (rechargeable) cells involve redox reactions that can be reversed using electrical energy. Deduce the reactions of the charging process from given electrode reactions for discharge, and vice versa.