7. Решение задачи по химии №000 711

631. Will a red color appear under the action of ammonium thiocyanate: a) on solutions of iron-ammonium alum (NH4)2Fe(SO4)2*12H2O; b) on a solution of potassium hexacyano-(II)-ferrate K4[Fe(CN)6?. Motivate your answer.

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