There is a solution mixture that contains the following anions: chromate, sulphate, chloride and iodide. Devise a separation scheme in that addition of a precipitating agent (first step) will form chromate and sulphate precipitates and leave the chloride and iodide in solution. Then continue with the scheme to isolate a chloride precipitate separate from an iodide precipitate.

Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
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Problem 66AP: Relative solubilities of salts in liquid ammonia can differsignificantly from those in water. Thus,...
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There is a solution mixture that contains the following anions: chromate, sulphate, chloride and iodide. Devise a separation scheme in that addition of a precipitating agent (first step) will form chromate and sulphate precipitates and leave the chloride and iodide in solution. Then continue with the scheme to isolate a chloride precipitate separate from an iodide precipitate.

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