课程名称︰触媒化学 课程性质︰选修课 课程教师︰简淑华 教授 开课学院：理学院 开课系所︰化学系 考试日期（年月日）︰2010年1月4日 考试时限（分钟）：120分钟 是否需发放奖励金：是 （如未明确表示，则不予发放） 试题 : 1.briefly answer the following questions: (1) What are the general steps in a heterogeneous catalytic reaction? (2) What are the criteria of a good catalyst? (3) will a catalyst change the chemical equilibrium of a given reaction system? (4) can a catalyst change a thermodynamically nonspontaneous reaction into a spontaneous reaction? (5) how can you judge if a catalytic reaction is in diffusion limitation? (6) what is kinetic compensation effect in catalytic reactions? (7) for the decomposition of N2O,which oxide will have higher activity, NiO or ZnO? give your reason. (8) what are the advantages and disadvantages of using SIMS for chemical analysis? (9) briefly describe how to prepare Raney nickel catalyst. (10) what is synthesis gas or so-called "syn gas"? 2. briefly explain or distinguish the following terms: (1) % conversion and TOF (turnover frequency). (2) demanding reaction and facile reaction (3) Rideal-Eley and Langmuir-Hinshelwood models of catalytic reactions. (4) the depletive chemisorption and cumulative adsorption in the Boundary-layer Theory. (5) Huttig temperature and Tammam temperature (6) n-type and p-type semiconductors (7) core electron, valence electron and Auger electron (8) energy dispersive(EDS) and wavelength dispersive(WDS) X-ray spectra (9) Bragg equation an Scherrer equation (10) steam-reforming and water-gas shift reaction 3. Concerning the adsorption of gas molecules on solid catalyst surfaces, (1) What are the features of the Langmuir adsorption isotherm? (2) Draw the type II adsorption isotherm by plotting "volume adsorbed" versus "P/P0", and indicate the "point B". (3) what information can be obtained from the adsorption and desorption isotherms? (4) what is BET surface area? briefly describe the general experimental procedure of the BET surface area measurement/ 4.(a) what is ESCA(XPS) spectroscopy? give the theoretical basis of the technique, and state the applications to the catalytic research? (b) AES and UPS are also powerful electron spectroscopic techniques. briefly describe the features of these two techniques. 5. Temperature programmed techniques are very useful tools in catalytic research, such as TPR, and TPD.(a) give the full name, describe the experimental method, and write the information can be obtained for TPR and TPD, respectively? 6. Give the complete name of each of the following spectroscopy or technique, and state their most significant application to the catalytic research? (1) DRIFT (2) EPR (3) SIMS (4) MAS-NMR (5) EXAFS 7. for each of the following quantities give the values or the order of the magnitude by citing the common units: (1) Enthalpies of physical and chemical adsorption. (2) particles with 60/80 mesh. (3) the pore size of microporous and mesoporous materials. (4) the cross-sectional area of a N2 molecules. (5) temperature of a liquid nitrogen. (6) IR region (in cm-1) of linearly and bridged adsorbed CO on noble metal surface. (7) IR bands (in cm-1) of Bronsted and Lewis acid sites upon pyridine-adsorption. (8) the applicable range of P/P0 for the BET equation. (9) the characteristic depth of ISS (ion scattering spectroscopy) analysis (10) energy of X-rays: Cu K(alpha) in A and Al K(alpha) line in eV. (11) pressure of UHV system. (12) the pore size of a x- or y- type (faujasite) zeolite. 8. Give the proper catalyst(s) for the following catalytic reactions or process (1) hydrogenation of benzene to cyclohexane (2) ammonia synthesis from N2 and H2. (3) hydrodesulfurization(HDS) (4) epoxidation of ethylene (5) decomposition of N2O. possible catalysts or the catalyst prime constituent for your reference: (a) Ni, Pt (b) the iron catalysts(Fe/K) (c) Ag/Al2O3 (d) Co9S8-MoS2/Al2O3 (e) Cu2O (h) V2O5/TiO2 (f) Ziegler-Natta catalyst(Ti,Cr) (g) TiO2 (i) H-ZSM-5 9. 在同学的报告中，写下一个你印象最深刻的报告，说明其大要，并评论之。 --

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