Arkansas State University 
Department of Chemistry
and Physics
CHEM2004
Exam 8

 

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