A-LevelChemistryChemical periodicity9701/12 · May/June 2017 · Q351 Mark

Which chlorides, when added to water, can produce a solution with a pH of less than 5? 1 SiCl₄ 2 AlCl₃ 3 MgCl₂

A1, 2 and 3 are correct

B1 and 2 only are correct

C2 and 3 only are correct

D1 only is correct

✓ Correct answer

B: 1 and 2 only are correct

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Topic: Chemical periodicity, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, May/June 2017 Paper 1 Variant 2, question 35.

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