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Oxidation states, redox equations and disproportionation

Redox and electrochemistry · Lesson 1 of 3

Lesson 1 of 3

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Lesson 1 of 3 · Redox and electrochemistry

Oxidation states, redox equations and disproportionation

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By the end you’ll be able to

assign oxidation states to atoms and ions in elements, compounds and complex ionic species using standard rules
identify oxidation and reduction from changes in oxidation state and electron transfer, and distinguish oxidising agents from reducing agents
balance redox equations in terms of atoms, charge and electrons using half-equations, including acidic conditions and ionic equations

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explain disproportionation as simultaneous oxidation and reduction of the same species and recognise examples involving halogens, halates or related inorganic species

interpret redox chemistry in experimental and written contexts, including feasibility clues from colour change, oxidation-state change and products formed

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