B-7.The bond identifed (with the arrow) in the following structure is best described as:(a)2sp–2sp2s(csp2–2sp3s(ep–2ps(bp–2pp(dsp2–2sp2sB-8.The total number of unshared pairsof electrons in the moleculeis(a)0(b)1(c(d)3B-9.Which of the following contains a triple bond?(a)SO2(b)HCN(c)C2H4(d)NH3B-10.Which one of the compounds shown is notan isomer of the other three?B-11.Which one of the following is the most stable Lewis structure? The answer must be correctin terms of bonds, unshared pairs of electrons, and formal charges.B-12.Repeat the previous question for the following Lewis structures.B-13.Which of the following molecules would you expect to be nonpolar?1.CH2F22.CO23.CF44.CH3OCH3(a)1 and 2(b)1 and 3(c)
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