Question 9

A silver Christmas tree can be made by placing copper wire, shaped in the form of
a tree, into a silver nitrate solution. The unbalanced equation for the reaction is:

Cu(s) + AgNO₃(aq) → Cu(NO₃)₂(aq) + Ag(s)

9.1 Define the term oxidation in terms of oxidation number. (2)

9.2 Write down the following for the reaction above:

9.2.1 Formula of the reducing agent (2)

9.2.2 Name of the oxidising agent (2)

9.2.3 Oxidation half-reaction (2)

9.2.4 Balanced net ionic equation using the ion-electron method (4)

9.3 Use oxidation numbers to explain your choice of oxidising agent in
QUESTION 9.2.2. (2)
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