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The Order of MO Energies in B2,C2,and N22p >

Question 84

Multiple Choice

The order of MO energies in B2,C2,and N22p > π2p) ,is different from the order in O2,F2,and Ne2 The order of MO energies in B<sub>2</sub>,C<sub>2</sub>,and N<sub>2</sub> (σ<sub>2p</sub> > π<sub>2p</sub>) ,is different from the order in O<sub>2</sub>,F<sub>2</sub>,and Ne<sub>2</sub> <sub> </sub>   This is due to ________. A) less effective overlap of p orbitals in O<sub>2</sub>, F<sub>2</sub>, and Ne<sub>2</sub> B) the more metallic character of boron, carbon and nitrogen as compared to oxygen, fluorine, and neon C) greater 2s-2p interaction in O<sub>2</sub>, F<sub>2</sub>, and Ne<sub>2</sub> D) greater 2s-2p interaction in B<sub>2</sub>, C<sub>2</sub>,<sub> </sub>and N<sub>2</sub> E) less effective overlap of p orbitals in B<sub>2</sub>, C<sub>2</sub>, and N<sub>2</sub> This is due to ________.


A) less effective overlap of p orbitals in O2, F2, and Ne2
B) the more metallic character of boron, carbon and nitrogen as compared to oxygen, fluorine, and neon
C) greater 2s-2p interaction in O2, F2, and Ne2
D) greater 2s-2p interaction in B2, C2, and N2
E) less effective overlap of p orbitals in B2, C2, and N2

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