What is Jahn Teller effect? As a manifestation of it show why high-spin d

Give an example of a transition metal-dinitrogen complex. Give suitable chemical equation for
its preparation. In what fashion can the two metal atoms be bridged by dinitrogen? What
happens when the dinitrogen ligands bind in side-on mode? Gives suitable diagrams.

Which metals form dinitrogen complexes? Which other ligands can coexist in a
nitrogen metal complex? Give any two examples of such complexes are prepared by
using nitrogen gas directly. Give suitable chemical equations.

With the help of a suitable example explain what fluxional organanometallic
compounds are. With the help of NMR studies how their presence was confirmed?

What are heterocarboranes? Which elements are involved in it? With suitable equation give the
preparation of any one multidecker metal sandwich complexes.

Give the octahedral as well as tetrahedral field electronic configuration for the Cr3+ and Mn2+
ions. Which site will be preferred by these ions, octahedral or tetrahedral? Justify your answer.

With the help of suitable diagram explain the Tolman cone angle in phosphines