Redox Reactions

In order to oxidise a mixture of 1 mole each of FeC2O4, Fe2(C2O4)3, FeSO4 and Fe2(SO4)3 in acidic medium, the number of moles of KMnO4 required is

1. 3
2. 2
3. 5
4. 7

Given below are two statements : In the light of the above statements, choose the correct answer from the options given below :

1. Both Statement I and Statement II are true
2. Both Statement I and Statement II are false
3. Statement I is true but Statement II is false
4. Statement I is false but Statement II is true

The species which does not undergo disproportionation reaction is :

1. ClO4-
2. ClO3-
3. ClO-
4. ClO2-