A-LevelChemistryGroup 179701/12 · May/June 2015 · Q161 Mark

The diagram shows a diaphragm cell used for the electrolysis of brine. Brine is concentrated aqueous sodium chloride. [Figure] A solution of sodium chlorate(I), commonly used as bleach, can be made by mixing which two substances?

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AP and R

BP and S

CQ and R

DQ and S

✓ Correct answer

B: P and S

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Topic: Group 17, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, May/June 2015 Paper 1 Variant 2, question 16.

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