9.1 Consider the redox reaction given below.
9.1.1 Define oxidation reaction in terms of electron transfer. (2)
Write down the:
9.1.2 Formula of the reducing agent. (2)
9.1.3 Reduction half reaction (2)
9.2 Consider the redox reaction below:
9.2.1 Determine the oxidation number of nitrogen (N) in 
. (2)
9.2.2 Balance the above chemical equation using the ion-electron method. (4)
[12]