The oxides of the first series, potassium dichromate and potassium permanganate and what they do as oxidising agents, and the alloys and interstitial compounds that metals form.
3 lessons, about 1 h 40 min3 simulations11 problems5 practice questionsPython in every lesson
Created by StemPy LabThe oxides of the first series turn from basic to acidic as the oxidation state rises. Potassium dichromate: how it is made from chromite ore, the chromate and dichromate equilibrium, and what it does as an oxidising agent in acid.
Potassium permanganate: how it is made from manganese dioxide, what happens when it is heated, why it is purple, and what it becomes in acid, in neutral solution and in alkali.
Why d-block metals and their compounds are good catalysts, with the contact process and an iron(III) example. How the atoms of a metal mix in an alloy, and what happens when small atoms fill the gaps of a metal lattice.
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