Problem 1
Differentiate between low-valent metal clusters and high-valent metal clusters with the help of suitable examples.
Problem 2
Write short notes on (a) Chevrel phases (b) Zintl ions (c) Hexanuclear metal clusters
Problem 3
Discuss the rules to predict the skeletal structure of metal clusters with the help of suitable examples.
Problem 4
Discuss the structure of \(\mathrm{Re}_{2} \mathrm{Cl}_{8}\) and justify for its bond order using molecular orbital theory.
