106年 - 106 國立嘉義大學_轉學生招生考試試題_應用化學系：普通化學#144874

1. Give the systematic name for the following compounds: (10%)a. O2F2b. VF5

2. Give the formula for the following compounds: (10%)a. Tetraphosphorus decaoxideb. Titanium(IV) nitrate

3. Balance the following Oxidation-Reduction equations: (10%)a. ____ PbS(s) + ____ O2 (g)  ____ PbO (s) + ____ SO2(g)b. ____ H+(aq)+ ____Cr2O72- (aq) + ____ C2H5OH (l) ____ Cr3+(aq)+ ____ H2O (l)+____CO2(g)

4. Please compare the size of the Group 2A element (from beryllium tostrontium) after removing two electrons. (10%)

5. Please predict the most possible Lewis structure for SO42- andexplain the reason. (10%)

6. Please predict the bond order and choose the strongest bond fromO2, O2+, and O2-. (10%)

7. Silver crystallize in a cubic closet packed structure. The density ofsolid silver is 10.6 g/cm3. The atomic weight of silver is 107.9 g/mol.Please calculate the radius of silver atom based on the aboveconditions. (10%)

8. Fe(CN)63- ion is known to have one unpaired electron. Please explainthe reason. (10%)

9. Calculate the experimental osmotic pressure of Fe(NH4)2(SO4)2(aq) byusing the following conditions. The experimental values of van’t Hofffactor is 4.4, the solution’s concentration is 0.1 M, the temperature is 25°C. (10%)

10. The vapor pressure of water at 50°C is 93.7 torr. The heat ofvaporization of water at 25°C is 43.9 kJ/mol. Calculate the vaporpressure of water at 25°C. (10%)