Why stannous chloride is added during the estimation of iron?
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Explanation:
Excess Sn2+ prepared here is removed by adding mercuric chloride which gets converted to insoluble mercurous chloride.
Answered by
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Answer:
The excess stannous chloride is removed by the addition of mercuric chloride. The ferrous iron formed is titrated with standard Potassium dichromate solution in the presence of Sulphuric acid and Phosphoric acid using diphenylamine as indicator. Procedure: HCl and heat the solution to boiling.
Explanation:
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