JAMB Chemistry 2012 Objective — Question 22

Question 22 of 50 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2012 Objective paper, with the correct answer and a full explanation.

A major factor considered in selecting a suitable method for preparing a simple salt is its

A. crystalline form
B. melting point
C. reactivity with dilute acids
D. solubility in waterCorrect

Explanation

Solubility in water is a major factor to be considered when selecting a suitable method for preparing a salt. For instance, a water-insoluble salt like AgCl can be obtained by double decomposition: AgNO3(aq)+NaCl(aq)→AgCl(s)+NaNO3(aq).

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