English, asked by rohitpatil6779, 2 months ago

copper sulphate is assayed by

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Answered by shikhachaudharypraka

Answer:

The assay is done on the basis of the oxidation-reduction reaction of iodine/thiosulphate. A solution of copper sulphate is first treated with potassium iodide and acetic acid. Cuprous iodide (CuI) is formed with iodine and the liberated iodine is titrated with 0.1 N sodium thiosulphate.

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