DP Chemistry (first assessment 2025)

Test builder »

Question 22M.1A.SL.TZ1.21

Date	May 2022	Marks available	[Maximum mark: 1]	Reference code	22M.1A.SL.TZ1.21
Level	SL	Paper	1A	Time zone	TZ1
Command term	Deduce	Question number	21	Adapted from	N/A

21.

[Maximum mark: 1]

22M.1A.SL.TZ1.21

In which of the following species would sulfur be reduced if converted to SCl₂?

A. S₂O₃^2–

B. H₂S

C. S

D. SO₂

[1]

Markscheme

D

Syllabus sections

Reactivity 3. What are the mechanisms of chemical change? » Reactivity 3.2—Electron transfer reactions » Reactivity 3.2.1—Oxidation and reduction can be described in terms of electron transfer, change in oxidation state, oxygen gain/loss or hydrogen loss/gain. Deduce oxidation states of an atom in a compound or an ion. Identify the oxidized and reduced species and the oxidizing and reducing agents in a chemical reaction.