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Iron has two oxidation states, so it can form ions Fe²⁺. How can you test a solution to find out which ion is present. Outline...

Iron has two oxidation states, so it can form ions Fe²⁺. How can you test a solution to find out which ion is present. Outline the tests and give the results for both ions.

Answers

Add NaOH(aq) to the solution of Fe²⁺ and Fe³⁺ separately until in excess.
Fe²⁺- dirt green precipitate. is formed insoluble in excess.
Fe³⁺ - yellow red-brown precipitate. formed insoluble in excess

sharon kalunda answered the question on May 20, 2019 at 10:56

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