The standard reduction potentials of the following half-reactions are given:

Cr3+(aq) + 3e- ? Cr(s) E° = -0.74 VMnO4-(aq) + 8H+(aq) + 5e- ? Mn2+(aq) + 4H2O(l) E° = 1.51 V

What is the standard cell potential (E°cell) for the following reaction?

2Cr3+(aq) + 16H+(aq) + 5MnO4-(aq) ? 5Mn2+(aq) + 2Cr(s) + 8H2O(l)

Part B: Using valence bond theory, explain the difference in bond length between the N-O bonds in nitric oxide (NO) and nitrous oxide (N2O).

Part C: Discuss the applications of zeolites in catalysis and their industrial importance