课程名称︰普通化学甲 课程性质︰系上必修 课程教师︰林万寅 开课学院：理学院 开课系所︰物理系 考试日期（年月日）︰09.11.03 考试时限（分钟）：15min 是否需发放奖励金：是 （如未明确表示，则不予发放） 试题 : 1. Answer the following questions for the ions O2(+), O2(-), O2(2-). 12% (a) Draw the MO diagram for each ion. (b) Find the bond order for each ion. (c) Find the number of unpaired electron(s) for each ion. (d) For O2, O2(+), O2(-), and O2(2-), rank them in order of increasing bond length. 2. Draw the structure of each compound from the information of the chemical formula and NMR spectrum. The relative area of the signals are given in parenthesis. 8% (a) C2H3Cl3; NMR has on singlet singal (b) C3H6Cl2; NMR has triplet (4) and quient (2) signal (c) C3H6O; NMR has a triplet (3), a quintet (2), and a triplet (1)signal (c) C3H6O2; NMR has a singlet (1), a quartet (2), and a triplet (3)signal (singlet = 1; doublet = 2; quartet = 4; quintet = 5) --

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