ChemistryMediumHigh School (11–12)The d- and f-Block Elements › Transition Elements (d-Block)A-LevelIB
Created by StemPy LabAcidified permanganate oxidises iron(II) and the manganese ends as a very pale pink ion. What is the spin-only magnetic moment of that ion, in Bohr magnetons?
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← Ammonium dichromate, (NH₄)₂Cr₂O₇, decomposes on heating to nitrogen, chromium(III) oxide and steam. What mass of solid Cr₂O₃ is left when 75.6 g of it is heated until it stops changing? The molar masses are 252 g/mol for the dichromate and 152 g/mol for Cr₂O₃.In a neutral solution, potassium permanganate oxidises iodide ions to iodate ions and is itself reduced to MnO₂. How many grams of MnO₂ (molar mass 87 g/mol) form when 0.0640 mol of iodide is oxidised? →
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