grade 12 Chemistry review

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The oxidation number of N in (NH4)3PO4 (ammonium phosphate) is:

-3

The oxidation number of Fe in K3Fe(CN)6 is:

+3

In the following chemical reaction the oxidizing agent is 1. 5H2O2 + 2MnO4 – + 6H+ → 2Mn2+ + 8H2O + 5O2

MnO4 –

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