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Chemical Bonding and Molecular Structure
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Chemical Bonding and Molecular Structure
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25 Questions

1. Which of the following would have apermanent dipole moment?
2. Which one of the following is the correctorder of interactions?
3. In which of the following pairs - the twospecies are iso-structure?
4. Which of the following compounds has a - 3centre bond?
5. In BrF 3 molecule - the lone pairs occupyequatorial positions to minimize
6. Cation and anion combines in a crystal to form following type of compound.
7. Among the following which one is not paramagnetic? [Atomic numbers: Be = 4 - Ne =10 - As = 33 - Cl = ]17
8. Which of the following molecules is planar?
9. Which of the following does not apply tometallic bond?
10. Which one of the following arrangements represents the increasing bond orders of the given species?
11. Which of the following species contains three bond pairs and one lone pair around thecentral atom?
12. What is the dominant intermolecular force72Which of the following is not isostructuralwith SiCl4?
13. Which one of the following has the pyramidal shape?
14. Which statement is NOTcorrect?
15. Among the following the electron deficient compound is:
16. The electronegativity difference between Nand F is greater than that between Nand Hyetthe dipole moment of NH 31.5( D) is larger thanthat of NF 30.2( D) This is because
17. Linus Pauling received the Nobel Prize for his work on
18. Which of the following species has a linearshape?
19. The angle between the overlapping of one s orbital and one p-orbital is [1988]
20. Linear combination of two hybridizedorbitals belonging to two atoms and each havingone electron leads to a
21. The low density of ice compared to water isdue to
22. Which one of the following molecules will form a linear polymeric structure due to hydrogen bonding?
23. XeF 2 is isostructural with:
24. In which of the following pair both thespecies have sp3 hybridization?
25. Among LiCl - BeCl 2 BCl3 and CCl4 - the covalentbond character follows the order