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UT CH 301 - CH 301 Worksheet 8 Key

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Worksheet 8 Key1.(a) C2H6H H .. .. sp3, 109.5°, nonpolar H : C : C : H Molecular, electronic geom.: .. .. tetrahedral H H(b) C2H4H H sp2, 120°,nonpolar .. .. Molecular, electronic geom..: H : C ::C : H trigonal planar(c) C2H2sp, 180°, nonpolar H:C:::C:H Molecular, electronic geom..:linear(d) CH3OHH Carbon: sp3, 109.5°.. .. Molecular, electronic geom.: H : C : O : H polar tetrahedral .. .. Oxygen: sp3, 109.5° H Molecular geom.: angularElectronic geom..: tetrahedral2.(a) BF3_ _ __ 2p_ _ _ _ _ __ sp3 2s (b) BeCl2__ __ __ ___ 2p 2p_ _ _ _ __ sp2 2s (c) C2H2_ _ __ __ __ 2p 2p_ _ _ __ sp 2s3. Each hypothetical molecule below is homonuclear (contains only one type of atom), diatomic(contains exactly two atoms), and yielded the following information in a molecular orbitaldiagram:Compound# Bonding Electrons# Anti-bonding ElectronsMolecule 1104Molecule 2122Molecule 31810Molecule 442Molecule 5164Molecule 662(a) Calculate the bond order for each molecule.(1) 3(2) 5(3) 4(4) 1(5) 6(6) 2(b) Rank the molecules from shortest to longest bond length.(5), (2), (3), (1), (6), (4)(c) List the molecules in order of strongest to weakest bonds.(5), (2), (3), (1), (6), (4)(d) Put the molecules in order of most stable to least stable.(5), (2), (3), (1), (6), (4)4. Draw an MO diagram for CO. Is it paramagnetic? No5. Explain why O2 and B2 are paramagnetic but H2, Li2, C2, and F2, are not.They both have unpaired spins in their MO


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UT CH 301 - CH 301 Worksheet 8 Key

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