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Chapter 9 Review Packet --11-24-03[1]_1

A typical triple bond consists of a three sigma bonds

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31. A typical triple bond consists of __________. a. three sigma bonds b. three pi bonds c. one sigma and two pi bonds d. two sigma and one pi bond e. three ionic bonds 32. The N-N bond in H-N=N-H consists of ____________.
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33. There are __ σ and __ π bonds in the H 2 C=C = CH 2 molecule. 34. The hybridization of the central carbon in H 2 C = C = CH 2 is _____. 35. The hybridization of the carbon atom in carbon dioxide is _____. O=C=O a. sp 3 b. sp 2 c. sp d. sp 2 d e. sp 2 d 2 36. Electrons in ___ bonds remain localized between two atoms. Electrons in ___ bonds can become delocalized between more than two atoms. 37. Structural changes around a double bond in the ____ portion of rhodopsin molecule trigger the chemical reactions that result in vision. 38. The bond order of any molecule containing equal numbers of bonding and antibonding electrons is ____________. 39. Of the following, only _____ has unpaired electron(s). a. C 2 b. N 2 c. F 2 d. O 2 e. Li 2 40. Based on molecular orbital theory, there are __________ unpaired electrons in the OF + ion.
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41. In molecular orbital theory, the bond orders in H 2 , H 2 + , and H 2 - are _____, respectively 42. In molecular orbital theory, the bond order in the He + ion is _____. 2 43. According to molecular orbital theory, the bond order of the N 2 molecule is _____. a. 0 b. 1 c. 2 d. 3 e. 5 44. Using molecular orbital theory, the bond order of the Be Be bond in the Be 2 molecule is _____. 45. A molecular orbital can accommodate a maximum of _____ electron(s).
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