Peh Yu Yun's answer to Charles's Junior College 1 H2 Maths Singapore question.

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Peh Yu Yun
Peh Yu Yun's answer
4 answers (A Helpful Person)
1st
First step: identify species that is oxidised and reduced;
Second step: split into oxidation and reduction half equations;
Third step: perform AOHE (elaboration in pic) ;
Fourth step: combine the 2 half equations and simplify