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.

How are dioxygen adducts of cobaltocenes prepared? 

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 suitable diagrams, explain the synergic bonding in metal carbonyls. 

 Calculate the Effective Atomic Number (EAN) of the Mn(CO)4NO complex. Here how is the
ligand NO treated as? In this was how the ligand NO becomes analogous to CO and N2?

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

Give the classification of organotransition metal alkyls and aryls along with suitable
examples for each type.

With the help of suitable chemical equations explain how the mixed-substituent
polymers of phosphazenes are synthesized?

2. a) Which ones of the following species will exhibit inorganic aromaticity:
a) S N b) S N c) S N 3 3 4 5 3 5
  ? Justify your answer.

Give the second postulate of VSEPR theory. Predict at the structure of the molecule
sulfur tetrafluoride with the help of VSEPR theory. Draw the structure.

Explain the trends in melting points of alkali, alkaline earth and transition metals of
fourth, fifth and sixth periods along with suitable illustration.

 Kavya Literature 

 Shankaracharya and Advaita philosophy 

The trading organizations (guilds) of South India 

Property rights of women 

Kaivarta rebellion 

 Discuss the Chola naval expedition of Southeast Asia. 

Describe the cultural contribution of Pala dynasty. 

 Write a note on the Arab conquest of Sindh. 

 Write an essay on the Chola kingship and local administration of Chola.