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Unformatted text preview: specify any formal charges. Label the hybridization at the relevant atoms. a. Acetone, CH 3 COCH 3 C-H = 109 pm Angle CCC = 116 o Atoms C,C,C, and O are in the same plane b. 1-bromo-2-deuterioethylene, DHCCHBr All atoms are in the same plane. Two isomers are known. c. dimethyl sulfoxide (DMSO), (CH 3 ) 2 SO Angle CSO = 107 o Angle CSC = 97 o The dihedral angle defined by the CSC plane and the S-O bond = 116 o 4. Draw complete condensed Lewis structures of reactants and products, using lines for bonding and showing nonbonding electron pairs. Identify the Lewis acid and the Lewis base for each reaction. Use curved arrows to show the bond-making ad bond-breaking processes for the forward and reverse reactions. Explain the origins of the formal charges in the products. a. CH 3 SCH 3 + BF 3 (CH 3 ) 2 S +- B-F 3 b. CH 3 SH + CH 3 O-CH 3 S-+ CH 3 OH c. H 3 N + CH 3 Br H 3 N +-CH 3 + Br-...
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