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A-LevelChemistryGroup 179701/12 · Oct/Nov 2019 · Q171 Mark

Solid sodium iodide reacts with concentrated sulfuric acid to form more than one product that contains sulfur. What is the lowest oxidation number of sulfur in these products?

A-2
B0
C+4
D+6

✓ Correct answer

A: -2

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About this question

Topic
Group 17, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source
A-Level Chemistry, Oct/Nov 2019 Paper 1 Variant 2, question 17.

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