Department of Chemistry and Physics |
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CHEM2004 |
Exam 8
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CHEM2004 Final Exam 2009
Place answers on the answer sheet. Good Luck.
1. The number of bonds expected for S is
a) 1 b) 2 c) 3 d) 4
2. Which element has the highest enthalpy of atomization?
a) Sb b) P c) N d) F
3. Which is not an allotrope of oxygen?
a) atomic oxygen b) molecular oxygen
c) ozonide d) ozone
4. Which element would have the largest band gap?
a) O b) S c) Cl d) Au
5. Mineral used as molecular sieves for drying solvents
a) Fluorapatite b) Augite c) Zeolite d) Tremolite
6. The smallest radius for an element is
a) covalent b) anionic c) cationic d) van der Waal
7. Which ion is not precipitated with carbonate in the qual scheme?
a) Ca+2 b) Cu+2 c) Ba+2 d) Mg+2
8. Classify the basicity of SiO44-
a) nonbasic b) feebly basic
c) moderately basic d) very strongly basic
9. The hydration energy depends on three factors, which is not one of these three?
a) charge b) electronegativity
c) radius d) water polarity
10. The oxoanion for Mo+6
a) MoO4- b) MoO4-2 c) MoO5-3 d) MoO6-5
11. Cations which undergo a small amount of hydrolysis with water are classified as
a) nonacidic b) feebly acidic
c) moderately acidic d) very strongly acidic
12. Which is the strongest acid?
a) HClO4 b) HClO3 c) H2SO3 d) HNO2
13. Pyrex is made by adding what to the glass mixture?
a) B2O3 b) PbO c) SrO d) La2O3
14. Olivine is an example of
a) cyclic polysilicate b) chain polysilicate
c) linear silicates d) simple silicates
15. Asbestos are
a) pyroxenes b) amphiboles c) zeolites d) metasilicates
16. What color is Ni+2 solution?
a) blue b) green c) red d) yellow
17. For the half-reaction: IO - g I2, the number of electrons transferred is
a) 1 b) 2 c) 3 d) 4
18. The product for the Wilkinson process is
a) acetic acid b) olefin polymers
c) acetaldehyde d) hydrogenated olefins
19. Color of the Ba flame test
a) blue b) green c) red d) yellow
20. The reaction of CO with H2 to produce hydrocarbons and water is called
a) Fischer-Tropsch process b) Water gas shift reaction
c) Monsanto process d) Wacker process
21. Protein used for carrying ferrous ions across bacterial cell walls
a) myoglobin b) hemoglobin
c) metallothionein d) siderophore
22. Which ion is not a Group V ion?
a) Ca+2 b) Ba+2 c) Mg+2 d) V+3
23. Which is not a type of sulfur found in coal?
a) pyritic b) sulfatic c) carbonated d) organic
24. The metal found in the blood of scorpions
a) Fe b) Cu c) Co d) Cr
25. A prepared for bonding configuration of s1px1py1pz1 represents
a) Mg b) Al c) Si d) P
26. Which is not a good ligand?
a) fluoride b) bromide
c) water d) hydroxide
27. CeO2 is an example of a(n)
a) nonstoichiometric oxide b) spinel
c) refractory d) amphibole
28. For the compound M3X4, if the C.N. for M is 4, the C.N. for X is
a) 2 b) 3 c) 4 d) 12
29. The oxoanion of this element is found in detergent
a) Al b) Pb c) Ce d) B
30. M(OH2)4(OH)22+ is an example of a(n)
a) oxoanion b) oxoacid c) hydroxycation d) hydroxyanion
31. The number of valence electrons in Cu+2
a) 0 b) 2 c) 7 d) 9
32. Cadmium poisoning is associated with
a) itai itai b) Mad Hatter’s disease
c) Alzheimer’s d) arthritis
33. Which element shows the least metallic character?
a) Li b) Fr c) Rb d) K
34. Element most likely to form catenates
a) N b) O c) P d) S
35. For precipitation reactions, DG is
a) positive b) negative c) zero d) not important
36. Which ion below would have a colored solution?
a) Fe+3 b) Zn+2 c) Cl- d) Ti+4
37. Most common oxidation state for lanthanides
a) + 2 b) + 3 c) + 4 d) + 5
38. The reaction of CaO with SO3 gives
a) SCaO4 b) CaSO4 c) Ca2SO5 d) Ca3SO6
39. Number one chemical produced in terms of tons/year
a) sulfuric acid b) hydrochloric acid
c) nitric acid d) phosphoric acid
40. Which compound is not a hazardous electrochemical combination?
a) NaCl
b) TNT
c) NaN3
d) NH4NO3
41. Most metals precipitate with the addition of sulfide ion. Which metal does not give a black precipitate?
a) Co b) Ni c) Cd d) Hg
42. Volatile oxide used as a refrigerant and as a fire extinguisher
a) CO b) CO2 c) H2CO3 d) Na2CO3
43. Which element is associated with blood clotting?
a) Ca b) Al c) Fe d) Pb
44. The maximum (+) oxidation state for S is
a) +2 b) +4 c) +6 d) +8
45. Which Noble gas is most abundant?
a) Ar b) Kr c) Rn d) He
46. Which atom has the lowest polarizability?
a) O b) F c) I d) Cl
47. Allotrope of phosphorous that exists as tetrahedrals
a) white b) red c) black d) yellow
48. Transition metal found in sea squirts
a) Co b) Mo c) Cr d) V
49. Which is a physical property of nonmetals?
a) good conductors b) ductile
c) malleable d) transparent as thin sheets
50. Which Noble gas has the highest melting point?
a) H2 b) F2 c) Br2 d) I2