課程名稱︰觸媒化學
課程性質︰選修課
課程教師︰簡淑華 教授
開課學院：理學院
開課系所︰化學系
考試日期（年月日）︰2010年1月4日
考試時限（分鐘）：120分鐘
是否需發放獎勵金：是
（如未明確表示，則不予發放）
試題 :
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. 在同學的報告中，寫下一個你印象最深刻的報告，說明其大要，並評論之。
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