Oxidation numbers and redox identification
Assign oxidation numbers and identify oxidised and reduced species.
Loading personal best…Year 11 · SACE Stage 1
Redox reactions
Apply oxidation-number, electron-transfer, metal-reactivity and galvanic-cell rules.
Subtopics
Half-equations and electron balance
Balance redox half-equations in neutral or acidic conditions and combine them.
Loading personal best…Half-equations in neutral and alkaline water
Balance water and hydroxide in specified non-acidic half-equations.
Loading personal best…Metal activity and displacement
Use supplied activity series to predict displacement, acid reactions and protection.
Loading personal best…Galvanic cells and charge flow
Identify electrodes, signs, charge carriers and half-equations in simple cells.
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