Year 11 · SACE Stage 1
Redox reactions
Apply oxidation-number, electron-transfer, metal-reactivity and galvanic-cell rules.
Subtopics
0102030405
Oxidation numbers and redox identification
Assign oxidation numbers and identify oxidised and reduced species.
Not attempted8 questionsHalf-equations and electron balance
Balance redox half-equations in neutral or acidic conditions and combine them.
Not attempted8 questionsHalf-equations in neutral and alkaline water
Balance water and hydroxide in specified non-acidic half-equations.
Not attempted8 questionsMetal activity and displacement
Use supplied activity series to predict displacement, acid reactions and protection.
Not attempted8 questionsGalvanic cells and charge flow
Identify electrodes, signs, charge carriers and half-equations in simple cells.
Not attempted8 questions