作者sp050612 (sp050612)
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标题[试题] 99上 周必泰 普通化学丙 第二次小考
时间Fri Dec 3 11:01:31 2010
课程名称︰普通化学丙
课程性质︰必修
课程教师︰周必泰
开课学院：医学院
开课系所︰医学系
考试日期（年月日）︰991203
考试时限（分钟）：30分
是否需发放奖励金：是~谢谢
普通化学丙 QUIZ2
1.Scheme depicted below is the vibrational potential curve for a diatomic
molecule (curve A). The parabolic curve represents an ideal harmonic
oscillator (curve B).
a.Give the reason for the deviation of from curve B (ideal case) to curve
A (real case).(10)
b.Could molecule reside at the minimum energy of curve A? Why? What does
zero point energy mean?
2.We always use TMS as a reference for the H-NMR spectrum
a.Write down the structure of TMS(5)
b.Why TMS is commonly used as a reference?(5)
3.The NMR spectra below are for the organic compounds C4H8O and C4H10O.
C4H8O has a double bond, C4H10O has only single bonds. Deduce the structures
for these compounds(10)
(C4H8O图见课本P.703下图)
(C4H10O图见课本P.709右图)
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1F：推 ALegmontnick:done 12/03 13:52