CHM 101 Chapter 9; Reading Quiz – Flashcards
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Which ABn molecule is trigonal pyramidal?
answer
NH3
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According to the VESPR model, the best arrangement of a given number of electron domains is _______.
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The one that minimizes repulsions among them.
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What is the molecular geometry of a molecule with four bonding domains and one nonbonding domain?
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Seesaw
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Which molecular geometry, of an ABn molecule, results in a polar molecule?
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Trigonal pyramidal
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According to valence-bond theory, the bond in HCl results from which of the following?
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Overlap of a 1s orbital of H and one of the lobes of a 3p orbital of Cl
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How many hybrid sp 3 orbitals are there?
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4
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What is the hybridization around the central atom in CO2?
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sp
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Which statement is correct considering a pi bond?
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A pi bond is one in which the electron density is not concentrated directly between the two nuclei of the bonding atoms.
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According to the molecular orbital theory, a bonding molecular orbital (MO) is formed when _______.
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The energy of the resulting MO is lower in energy than the two orbitals from which it was made
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Draw the MO diagram for the superoxide ion, O2 -. Which statement is true regarding the superoxide ion?
answer
It is attracted to a magnetic field.
