CuSO4 5H2O can be obtained from an aqueous... | WAEC SSCE - Chemistry - 2001 (Objective)

Question 1 Report

CuSO₄ 5H₂O can be obtained from an aqueous solution of copper (ll) tetraoxosulphate (VI) by

evaporation to dryness

using chromatography

precipitation

crystallization

Answer Details

CuSO₄ 5H₂O can be obtained from an aqueous solution of copper (ll) tetraoxosulphate (VI) by crystallization. Crystallization is a process of separating a solid product from a liquid by allowing the liquid to evaporate under controlled conditions. In this case, an aqueous solution of copper (II) tetraoxosulphate (VI) can be heated to form a saturated solution. The solution is then cooled slowly to allow the formation of CuSO₄ 5H₂O crystals. These crystals can be collected by filtration to obtain the desired product. Therefore, the correct option is "crystallization".

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CuSO4 5H2O can be obtained from an aqueous solution of copper (ll) tetraoxosulphate (VI) by

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CuSO4 5H2O can be obtained from an aqueous solution of copper (ll) tetraoxosulphate (VI) by

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