1. For reactions A and B below: i) Find the oxidation numbers for each atom in the reactants and products
ii) Write the balanced half-reaction equations. [6]
Identify the oxidizing and reducing agents. [4]
A) 4 Fe(s) + 3 02(g) → 2 Fe2O3(s)
B) Cu(s) + 4 HNO.(ag) - Cu(NO..lag) + 2 H. O) +2 NO.(a)

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