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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 species contains three bond pairs and one lone pair around thecentral atom?
2. Which of the following is electron -deficient?
3. H2O has a non zero dipole moment whileBeF 2 has zero dipole moment because
4. Among the following orbital bonds - the angleis minimum between
5. Strongest hydrogen bond is shown by
6. In which of the following pairs ofmolecules/ ions - the central atoms have sp 2hybridization?
7. Which one of the following pairs isisostructural (i.e- having the same shape andhybridization) ?82Some of the properties of the two species - NO3- and H 3O+ are described belowWhich oneof them is correct?
8. The correct order of C-“O bond lengthamong CO - CO32- - CO2 is
9. Which of the following is paramagnetic?
10. Which of the following molecules has trigonal planar geometry?
11. In which one of the following molecules thecentral atom said to adopt sp 2 hybridization?
12. Which one of the following has the shortestcarbon carbon bond length?
13. Bond that must be overcome in convertingliquid CH 3OH to a gas?
14. In which of the following molecules the central atom does not have sp 3 hybridization?
15. In NO3-“ ion number of bond pair and lonepair of electrons on nitrogen atom respectivelyare
16. Among LiCl - BeCl 2 BCl3 and CCl4 - the covalentbond character follows the order
17. Bond order of 1.5 is shown by:
18. Which one of the following is the correctorder of interactions?
19. The number of unpaired electrons in aparamagnetic diatomic molecule of an elementwith atomic number 16 is
20. Which of the following species has a linearshape?
21. What is the dominant intermolecular force72Which of the following is not isostructuralwith SiCl4?
22. Which of the following bonds will be mostpolar?
23. Linus Pauling received the Nobel Prize for his work on
24. H2Ois dipolar - whereas BeF 2 is notIt isbecause
25. The correct order of the O-“Obond length inO2 - H2O2 and O3 is

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