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

The sp 3 d 2 atomic hybrid orbital set accommodates

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22. The sp 3 d 2 atomic hybrid orbital set accommodates _____ electron pairs. a. 2 b. 3 c. 4 d. 5 e. 6 23. The hybridizations of bromine in BrF 5 and of arsenic in AsF 5 are _____ and _____, respectively.
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24. There are _____ unhybridized p atomic orbitals in an sp-hybridized carbon atom. 25. When three atomic orbitals are mixed to form hybrid orbitals, how many hybrid orbitals are formed? 26. In the overall process of hybrid orbital formation, the purpose of promoting one or more electrons is to ____________. a. increase the number of atomic orbitals b. increase the number of unpaired electrons c. increase the number of hybrid orbitals d. make sure that every atomic orbital is occupied prior to hybridization e. make sure that all of the electrons in atomic orbitals are unpaired prior to hybridization 27. A typical triple bond ____________. 28. In order to exhibit delocalized π bonding, a molecule must have ____________. 29. The carbon-carbon σ bond in ethylene, CH 2 CH 2 , results from the overlap of ____________. 30. In order for rotation to occur about a double bond, ____________. a. the σ bond must be broken b. the π bond must be broken c. the bonding must be delocalized d. the bonding must be localized e. the σ and π bonds must both be broken
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