Chemistry of Main Group Elements-II
Question 1. What is multicentre bonding? Explain the structure of Diborane.
Question 2. Give order of basic character of Hydrides of Nitrogen family. Explain with reason.
Question 3. Give order of reducing character of Hydrides of Oxygen family. Explain with reason.
Question 4. While H2O is liquid all other hydrides of group are gases at room temperature, why?
Question 5. What are oxo acids? Give industrial preparation of Sulphuric acid.
Question 6. Among Halogens and Interhalogen compounds, which are more reactive and why?
Question 7. What structure PCl5 adopts in gaseous and solid medium? Explain these structures on basis of VBT & VSEPR.
Question 8. Predict the geometry & shape of ClF3, BrF5, IF7 & [ClF2]- on basis of VBT & VSEPR.
Question 9. How pseudo-halogens resembles with halogens?
Question 10. Group 18 elements are Noble rather than inert, how?
Question 11. What do you mean by clathrate? How they are prepared?
Question 12. Explain the structure and chemical properties of XeF4, XeF6.
Question 13. Differentiate between organic & inorganic polymers.
Question 14. Classify silicates on basis of their structure. Give example of each.
Question 15. Give ring opening mechanism of cyclic siloxanes.
Question 16. What is borazine? Why it is called inorganic benzene?
Question 17. Explain bonding in triphosphazene.
Question 18. Write short note on substitution on phosphazene to alter side chains.