BRAINCAKE

Half Equations from Ionic Equations

AQA AS-level ChemistryOxidation and ReductionLesson 11 of 15

Half equations can be derived from net ionic equations.

for example

3Cu(s) + 8H+(aq) + 2NO3-(aq) → 3Cu2+ (aq) + 2NO(g) + 4H2O(l)

Sign in free to see the rest of this lesson, the R.E.C.I.P.E. recall steps and the quiz

BrainCake is free. Make an account in seconds and pick up where this page stops.

Continue with GoogleSign in with email

Key terms in this lesson

Spectator ion
An ion that is present in a reaction mixture but takes no part in the reaction, remaining unchanged.
Ionic equation
An equation that shows only the particles that react, leaving out spectator ions.
Half equation
An equation that shows only the oxidation or only the reduction part of a redox reaction, including the electrons transferred.

More in Oxidation and Reduction

All 15 lessons in Oxidation and Reduction · All AQA AS-level Chemistry topics