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轉學考-普通化學
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94年 - 94 淡江大學 轉學考 普通化學#56053
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題組內容
5. An organic compound has molecular formula of CH
2
O.
(a) Draw the most likely Lewis structure for the compound,
其他申論題
(b) How should the element be classified?
#212790
(c) Are the atoms of this element diamagnetic or paramagnetic? (10%)
#212791
(a) Which atom should have a smaller first ionization energy: oxygen or sulfur?
#212792
(b) Which atom should have a higher second ionization energy: lithium or beryllium? Give your reason. (10%)
#212793
(b) Indicate the hybridization orbitals and formal charge for carbon and oxygen atom in this molecule. (10%)
#212795
(a) O3
#212796
(b) IF3
#212797
(c) I3-(l0%)
#212798
7. Write the ground-state electron configuration for 02 by molecular orbital theory and show that it is paramagnetic. (10%)
#212799
8. At 25°C, the vapor pressure of pure water is 23.76 nimllg and that of a dilute aqueous urea solution is 22.98 mmllg. Estimate the concentration in molality (m) of the solution. Urea is a nonvolatile compound. (10%)
#212800
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