O-LevelChemistryAcids, Bases & Salts5070/12 · Oct/Nov 2019 · Q21 Mark

The diagrams show three stages, 1, 2 and 3, used in the preparation of a salt. Which row correctly shows the solubilities both of the reactants and of the salt formed in this preparation?

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Asolubility of reactants: both soluble, solubility of salt formed: insoluble

Bsolubility of reactants: both soluble, solubility of salt formed: soluble

Csolubility of reactants: one soluble, one insoluble, solubility of salt formed: insoluble

Dsolubility of reactants: one soluble, one insoluble, solubility of salt formed: soluble

✓ Correct answer

D: solubility of reactants: one soluble, one insoluble, solubility of salt formed: soluble

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Topic: Acids, Bases & Salts, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2019 Paper 1 Variant 2, question 2.

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