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Introductory Chemistry, Hybrid Edition 6th Edition by Mark S. Cracolice - Test Bank

Introductory Chemistry, Hybrid Edition 6th Edition by Mark S. Cracolice - Test Bank   Instant Download - Complete Test Bank With Answers     Sample Questions Are Posted Below   1. Which of the following formulas are correctly written for elements as the exist in nature at room temperature and pressure? i. O2 ii. Ni …

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Introductory Chemistry, Hybrid Edition 6th Edition by Mark S. Cracolice – Test Bank

 

Instant Download – Complete Test Bank With Answers

 

 

Sample Questions Are Posted Below

 

1. Which of the following formulas are correctly written for elements as the exist in nature at room temperature and pressure?
i. O2
ii. Ni
iii. Si8
iv. C
v. Ar2
a. i only
b. iii only
c. iv only
d. i, ii, and iv
e. iii and iv
ANSWER: d
RATIONALE: Analysis: A. Incorrect. See Section 6.2, Goal 1. B. Incorrect. See Section 6.2, Goal 1. C. Incorrect. See Section 6.2, Goal 1. D. Correct. E. Incorrect. See Section 6.2, Goal 1.
POINTS: 1

2. For each of the following names, choose the correct formula:
i. Neon
ii. Hydrogen
iii. Iodine
iv. Carbon
v. Fluorine

i ii iii iv v
A Ne H2 I2 C F2
B Ne H I2 C F2
C Ne H I C F
D Ne H2 I C F
E Ne H2 I2 C2 F2

a. A
b. B
c. C
d. D
e. E
ANSWER: a
RATIONALE: Analysis: A. Correct. B. Incorrect. See Section 6.2, Goal 1. C. Incorrect. See Section 6.2, Goal 1. D. Incorrect. See Section 6.2, Goal 1. E. Incorrect. See Section 6.2, Goal 1.
POINTS: 1

3. Examine the model of a form of naturally occurring sulfur.

How should the formula for this form of sulfur be written?
a. S
b. S4
c. S8
d. S16
e. S2
ANSWER: c
RATIONALE: Analysis: A. Incorrect. See Section 6.2, Goal 1. B. Incorrect. See Section 6.2, Goal 1. C. Correct. D. Incorrect. See Section 6.2, Goal 1. E. Incorrect. See Section 6.2, Goal 1.
POINTS: 1

4. Which of the following elemental formulas are written as they would appear in a chemical equation?
i. Kr
ii. Cl2
iii. B
iv. Be
v. H2
a. ii and v
b. i and iii
c. iii and v
d. i, ii, iii, and v
e. i, ii, iii, iv, and v
ANSWER: e
RATIONALE: Analysis: A. Incorrect. See Section 6.2, Goal 1. B. Incorrect. See Section 6.2, Goal 1. C. Incorrect. See Section 6.2, Goal 1. D. Incorrect. See Section 6.2, Goal 1. E. Correct.
POINTS: 1

5. For each of the following names, choose the correct formula:
i. Carbon disulfide
ii. Dinitrogen pentoxide
iii. Boron trifluoride
iv. Silicon tetrabromide
v. Disulfur dichloride

i ii iii iv v
a. CS2 Ni2O5 BF3 SiBr4 S2Cl2
b. CS2 N2O5 BF3 SiBr4 S2Cl2
c. CaS2 N2O5 BF3 SiBr4 S2Cl2
d. CS2 N2O5 BoF3 SiBr7 SCl2
e. CS2 N2O5 BFl3 SiBr9 SCh
ANSWER: b
RATIONALE: Analysis: A. Incorrect. See Section 6.3, Goal 2. B. Correct. C. Incorrect. See Section 6.3, Goal 2. D. Incorrect. See Section 6.3, Goal 2. E. Incorrect. See Section 6.3, Goal 2.
POINTS: 1

6. For each of the following names, choose the correct formula.
i. Silicon tetrafluoride
ii. Disulfur decafluoride
iii. Sulfur trioxide
iv. Diphosphorus pentoxide
v. Dichlorine oxide

 

i ii iii iv v
a. SiF4 S2F10 SO3 P2O5 ClO2
b. SiF4 S2F10 SO3 P2O5 Cl2O
c. SiFl4 S2F7 SO3 Ph2O5 ClO2
d. SiFl4 S2Fl7 SO3 Ph2O5 Cl2O
e. SiFl4 S2Fl7 SO3 P2O5 Cl2O
ANSWER: b
RATIONALE: Analysis: A. Incorrect. See Section 6.3, Goal 2. B. Correct. C. Incorrect. See Section 6.3, Goal 2. D. Incorrect. See Section 6.3, Goal 2. E. Incorrect. See Section 6.3, Goal 2.
POINTS: 1

7. When nitrogen monoxide in the gas cylinder (1) reacts with air, nitrogen dioxide (2) is formed.

What are the formulas, respectively, for these two compounds?
a. 1 – N2O, 2 – N2O2
b. 1 – NO, 2 – N2O
c. 1 – NO, 2 – NO2
d. 1 – N2, 2 – NO
e. 1 – N2O2, 2 – N2O4
ANSWER: c
RATIONALE: Analysis: A. Incorrect. See Section 6.3, Goal 2. B. Incorrect. See Section 6.3, Goal 2. C. Correct. D. Incorrect. See Section 6.3, Goal 2. E. Incorrect. See Section 6.3, Goal 2.
POINTS: 1

8. Which of the following statements is false?
a. The first word in the name of a binary molecular compound is the name of the element appearing first in the chemical formula, including a prefix to indicate the number of atoms of that element in the molecule
b. The same two nonmetals often form more than one binary compound
c. If an element has no prefix in the name of a binary molecular compound, you may assume that there is only one atom of that element in the molecule
d. A compound whose formula ends in O5 is a pentaoxide rather than a pentoxide
e. The numerical prefix used in chemical names for the number 2 is di-
ANSWER: d
RATIONALE: Analysis: A. Incorrect. See Section 6.3, Goal 2. B. Incorrect. See Section 6.3, Goal 2. C. Incorrect. See Section 6.3, Goal 2. D. Correct. E. Incorrect. See Section 6.3, Goal 2.
POINTS: 1

9. What are the names for the compounds H2O and NH3, in that order?
a. Dihydrogen oxide, nitrogen trihydride
b. Dihydrogen oxide, ammonia
c. Water, nitrogen trihydride
d. Water, ammonia
e. Hydrated oxygen, hydrated nitrogen
ANSWER: d
RATIONALE: Analysis: A. Incorrect. See Section 6.3, Goal 3. B. Incorrect. See Section 6.3, Goal 3. C. Incorrect. See Section 6.3, Goal 3. D. Correct. E. Incorrect. See Section 6.3, Goal 3.
POINTS: 1

10. Which of the following is the common name for the compound H2O?
a. Dihydrogen oxide
b. Dihydrogen monoxide
c. Hydrogen hydroxide
d. Monohydrogen hydroxide
e. None of the choices is correct
ANSWER: e
RATIONALE: Analysis: A. Incorrect. See Section 6.3, Goal 3. B. Incorrect. See Section 6.3, Goal 3. C. Incorrect. See Section 6.3, Goal 3. D. Incorrect. See Section 6.3, Goal 3. E. Correct.
POINTS: 1

11. Which of the following is the correct formula for ammonia?
a. NH3
b. NH4+
c. Hg22+
d. Hg2+
e. None of the choices is correct
ANSWER: a
RATIONALE: Analysis: A. Correct. B. Incorrect. See Section 6.3, Goal 3. C. Incorrect. See Section 6.3, Goal 3. D. Incorrect. See Section 6.3, Goal 3. E. Incorrect. See Section 6.3, Goal 3.
POINTS: 1

12. What are the formulas of water and ammonia, in that order?
a. H2O, NH4
b. H2O, NH4+
c. H2O, NH3
d. HO2, NH4
e. HO2, NH4+
ANSWER: c
RATIONALE: Analysis: A. Incorrect. See Section 6.3, Goal 3. B. Incorrect. See Section 6.3, Goal 3. C. Correct. D. Incorrect. See Section 6.3, Goal 3. E. Incorrect. See Section 6.3, Goal 3.
POINTS: 1

13. For each of the following names, choose the correct formula.
i. Mercury(II) ion
ii. Nitride ion
iii. Zinc ion

i ii iii
a. Hg2+ N3– Zn2+
b. Hg22+ N3– Zn2+
c. Hg2+ N3– Zn+
d. Hg22+ N23– Zn+
e. Hg2+ N23– Zn+
ANSWER: a
RATIONALE: Analysis: A. Correct B. Incorrect. See Section 6.4, Goal 4. C. Incorrect. See Section 6.4, Goal 4. D. Incorrect. See Section 6.4, Goal 4. E. Incorrect. See Section 6.4, Goal 4.
POINTS: 1

14. For each of the following names, choose the correct formula.
i. Oxide ion
ii. Silver ion
iii. Manganese(II) ion

i ii iii
a. O22– Ag+ Mn2+
b. O2– Ag+ Mn2+
c. O22– Ag+ Mn+
d. O2– Ag+ Mg+
e. O2– Si+ Mg+
ANSWER: b
RATIONALE: Analysis: A. Incorrect. See Section 6.4, Goal 4. B. Correct. C. Incorrect. See Section 6.4, Goal 4. D. Incorrect. See Section 6.4, Goal 4. E. Incorrect. See Section 6.4, Goal 4.
POINTS: 1

15. For each of the following formulas, choose the correct name.
i. Pb2+
ii. S2–
iii. Ni2+

i ii iii
a. lead ion sulfur ion nickel ion
b. lead ion sulfur ion nickelide ion
c. lead(II) ion sulfur ion nickel ion
d. lead(II) ion sulfide ion nickel ion
e. lead(II) ion sulfide ion nickel(II) ion
ANSWER: e
RATIONALE: Analysis: A. Incorrect. See Section 6.4, Goal 4. B. Incorrect. See Section 6.4, Goal 4. C. Incorrect. See Section 6.4, Goal 4. D. Incorrect. See Section 6.4, Goal 4. E. Correct.
POINTS: 1

16. Which of the following name-formula pairs is/are correct?
i. Sodium ion / Na+
ii. Tin(II) ion / Ti2+
iii. Silver ion / Ag+
iv. Fluoride ion / Fl–
v. Manganese(III) ion / Mn3+
a. i only
b. i and ii
c. i, iii, and v
d. i, iii, iv, and v
e. all are correct
ANSWER: c
RATIONALE: Analysis: A. Incorrect. See Section 6.4, Goal 4. B. Incorrect. See Section 6.4, Goal 4. C. Correct. D. Incorrect. See Section 6.4, Goal 4. E. Incorrect. See Section 6.4, Goal 4.
POINTS: 1

17. Which of the following name-formula pairs is/are correct?
i. Phosphoric acid / H3PO3
ii. Sulfate ion / SO32–
iii. Bromate ion / BrO3–
iv. Hydrochloric acid / HCl
v. Carbonate ion / CO3–
a. i and ii
b. iii and iv
c. ii, iii, and iv
d. i, ii, iii, and iv
e. all are correct
ANSWER: b
RATIONALE: Analysis: A. Incorrect. See Section 6.5, Goal 5. B. Correct. C. Incorrect. See Section 6.5, Goal 5. D. Incorrect. See Section 6.5, Goal 5. E. Incorrect. See Section 6.5, Goal 5.
POINTS: 1

18. For each of the following names, choose the correct formula.
i. Hydrogen sulfide ion
ii. Hydrogen carbonate ion
iii. Hydrogen phosphate ion

i ii iii
a. HS2– HCO3– HPO3–
b. HS2– HCO3– HPO4–
c. HS– HCO3– HPO4–
d. HS– HCO3– HPO42–
e. HS– HCO32– HPO42–
ANSWER: d
RATIONALE: Analysis: A. Incorrect. See Section 6.5, Goal 5. B. Incorrect. See Section 6.5, Goal 5. C. Incorrect. See Section 6.5, Goal 5. D. Correct. E. Incorrect. See Section 6.5, Goal 5.
POINTS: 1

19. Examine the name given on the following laboratory reagent container. The formula has been washed off the container.

What formula should be placed on the container (?) and what is the formula of the anion formed by this acid’s total ionization in water, respectively?
a. H2SO3, SO32–
b. H2S, S2–
c. H2SO4, SO42–
d. H2SO4, HSO4–
e. H2SO2, SO22–
ANSWER: c
RATIONALE: Analysis: A. Incorrect. See Section 6.5, Goal 5. B. Incorrect. See Section 6.5, Goal 5. C. Correct. D. Incorrect. See Section 6.5, Goal 5. E. Incorrect. See Section 6.5, Goal 5.
POINTS: 1

20. For each of the following names, choose the correct formula.
i. Sulfite ion
ii. Phosphoric acid
iii. Hydrosulfuric acid

i ii iii
a. SO32– H3PO4 HS
b. SO42– H2PO4 HS
c. SO42– H2PO4 H2S
d. SO32– H2PO4 H2S
e. SO32– H3PO4 H2S
ANSWER: e
RATIONALE: Analysis: A. Incorrect. See Section 6.5, Goal 5. B. Incorrect. See Section 6.5, Goal 5. C. Incorrect. See Section 6.5, Goal 5. D. Incorrect. See Section 6.5, Goal 5. E. Correct.
POINTS: 1

21. Which of the following name-formula pairs is/are incorrect?
i. Bromous acid, HBrO2
ii. Nitrate ion, NO3–
iii. Periodate ion, IO3–
iv. Hydrofluoric acid, HFl
v. Telluric acid, H2TeO3 (tellurium, Z = 52)
a. i and ii
b. iii and iv
c. iv and v
d. i, ii, and iii
e. iii, iv, and v
ANSWER: e
RATIONALE: Analysis: A. Incorrect. See Section 6.5, Goal 5. B. Incorrect. See Section 6.5, Goal 5. C. Incorrect. See Section 6.5, Goal 5. D. Incorrect. See Section 6.5, Goal 5. E. Correct.
POINTS: 1

22. For each of the following formulas, choose the correct name.
i. H2PO4–
ii. HSO3–
iii. HCO3–
a. (i) dihydrogen phosphate ion (ii) hydrogen sulfite ion (iii) hydrogen carbonate ion
b. (i) bihydrogen phosphate ion (ii) hydrogen sulfite ion (iii) hydrogen carbonate ion
c. (i) dihydrogen phosphate ion (ii) hydrogen sulfate ion (iii) hydrogen carbonate ion
d. (i) bihydrogen phosphate ion (ii) hydrogen sulfate ion (iii) hydrogen carbonate ion
e. (i) dihydrogen phosphate ion (ii) hydrogen sulfate ion (iii) hydrocarbonic ion
ANSWER: a
RATIONALE: Analysis: A. Correct. B. Incorrect. See Section 6.6, Goal 6. C. Incorrect. See Section 6.6, Goal 6. D. Incorrect. See Section 6.6, Goal 6. E. Incorrect. See Section 6.6, Goal 6.
POINTS: 1

23. Which of the following name-formula pairs is/are correct?
i. HSeO3–, hydrogen selenite ion (Z = 34)
ii. HSO4–, hydrogen sulfite ion
iii. H2PO4–, bihydrogen phosphate ion
iv. HCO3–, hydrogen carbonate ion
a. i only
b. iii only
c. iv only
d. i and iii
e. i and iv
ANSWER: e
RATIONALE: Analysis: A. Incorrect. See Section 6.6, Goal 6. B. Incorrect. See Section 6.6, Goal 6. C. Incorrect. See Section 6.6, Goal 6. D. Incorrect. See Section 6.6, Goal 6. E. Correct.
POINTS: 1

24. Which of the following name-formula pairs is/are incorrect?
i. HCO3– / hydrogen carbonate ion
ii. HTe– / hydrogen telluride ion (Z = 52)
iii. H2PO4– / hydrogen phosphate ion
iv. HSO3– / hydrogen sulfite ion
a. iii only
b. i and ii
c. ii and iii
d. ii and iv
e. ii, iii, and iv
ANSWER: a
RATIONALE: Analysis: A. Correct. B. Incorrect. See Section 6.6, Goal 6. C. Incorrect. See Section 6.6, Goal 6. D. Incorrect. See Section 6.6, Goal 6. E. Incorrect. See Section 6.6, Goal 6.
POINTS: 1

25. What are the names for the species OH– and NH4+?
a. Oxyhydrogen ion, nitroquadrahydrogen ion
b. Oxyhydrogen ion, ammonium ion
c. Oxyhydrogen ion, ammonia ion
d. Hydroxide ion, ammonium ion
e. Hydroxide ion, ammonia ion
ANSWER: d
RATIONALE: Analysis: A. Incorrect. See Section 6.7, Goal 7. B. Incorrect. See Section 6.7, Goal 7. C. Incorrect. See Section 6.7, Goal 7. D. Correct. E. Incorrect. See Section 6.7, Goal 7.
POINTS: 1

26. Which of the following is the correct formula for the ammonium ion?
a. NH4
b. NH4+
c. NH3+
d. NH3
e. NH2–
ANSWER: b
RATIONALE: Analysis: A. Incorrect. See Section 6.7, Goal 7. B. Correct. C. Incorrect. See Section 6.7, Goal 7. D. Incorrect. See Section 6.7, Goal 7. E. Incorrect. See Section 6.7, Goal 7.
POINTS: 1

27. Which of the following is the correct formula for the hydroxide ion?
a. HO2–
b. HO2+
c. OH–
d. OH+
e. H3O+
ANSWER: c
RATIONALE: Analysis: A. Incorrect. See Section 6.7, Goal 7. B. Incorrect. See Section 6.7, Goal 7. C. Correct. D. Incorrect. See Section 6.7, Goal 7. E. Incorrect. See Section 6.7, Goal 7.
POINTS: 1

28. What are the formulas of the ammonium ion and the hydroxide ion, in that order?
a. NH4+, OH–
b. NH4+, OH+
c. NH4+, H3O+
d. NH3, OH–
e. NH3, HO2–
ANSWER: a
RATIONALE: Analysis: A. Correct. B. Incorrect. See Section 6.7, Goal 7. C. Incorrect. See Section 6.7, Goal 7. D. Incorrect. See Section 6.7, Goal 7. E. Incorrect. See Section 6.7, Goal 7.
POINTS: 1

29. What are the formulas of the compounds magnesium sulfate and lithium bromite?
a. Mg3(SO3)2, LiBr
b. MgSO3, LiBrO3
c. MgSO3, Li2BrO3
d. MgSO4, LiBrO2
e. MgSO4, Li2BrO3
ANSWER: d
RATIONALE: Analysis: A. Incorrect. See Section 6.8, Goal 8. B. Incorrect. See Section 6.8, Goal 8. C. Incorrect. See Section 6.8, Goal 8. D. Correct. E. Incorrect. See Section 6.8, Goal 8.
POINTS: 1

30. What are the names of the compounds ZnCO3 and LiNO2?
a. Zinc carbonate, lithium nitrite
b. Zinc carbonate, lithium nitrate
c. Zinc(II) carbonate, lithium nitrite
d. Zinc(II) carbonate, lithium nitrate
e. Zinc(II) carbonate, monolithium nitrite
ANSWER: a
RATIONALE: Analysis: A. Correct. B. Incorrect. See Section 6.8, Goal 8. C. Incorrect. See Section 6.8, Goal 8. D. Incorrect. See Section 6.8, Goal 8. E. Incorrect. See Section 6.8, Goal 8.
POINTS: 1

31. What are the formulas of the compounds cobalt(III) sulfate and manganese(II) hydroxide?
a. Co2(SO4)3, MgOH2
b. Co2(SO4)4, Mg(OH)2
c. Co2(SO4)3, Mn(OH)2
d. Co2(SO4)2, Mn2OH
e. CoSO4, Mn(OH)2
ANSWER: c
RATIONALE: Analysis: A. Incorrect. See Section 6.8, Goal 8. B. Incorrect. See Section 6.8, Goal 8. C. Correct. D. Incorrect. See Section 6.8, Goal 8. E. Incorrect. See Section 6.8, Goal 8.
POINTS: 1

32. What are the formulas of the compounds zinc phosphide and potassium hydrogen phosphate?
a. Zn2P3, K2HPO4
b. Zn3P2, K2HPO4
c. Zn2P3, KHPO4
d. Zn3P2, KHPO4
e. Zn2P3, KH2PO4
ANSWER: b
RATIONALE: Analysis: A. Incorrect. See Section 6.8, Goal 8. B. Correct. C. Incorrect. See Section 6.8, Goal 8. D. Incorrect. See Section 6.8, Goal 8. E. Incorrect. See Section 6.8, Goal 8.
POINTS: 1

33. What are the formulas of the compounds calcium periodate and potassium nitrite?
a. Ca(IO4)2, KNO2
b. Ca(IO3)2, KNO2
c. Ca(IO4)2, KNO3
d. Ca(IO3)2, KNO3
e. CaIO4, KNO3
ANSWER: a
RATIONALE: Analysis: A. Correct. B. Incorrect. See Section 6.8, Goal 8. C. Incorrect. See Section 6.8, Goal 8. D. Incorrect. See Section 6.8, Goal 8. E. Incorrect. See Section 6.8, Goal 8.
POINTS: 1

34. What are the formulas of the compounds aluminum sulfide and ammonium chlorate?
a. AlS, NH3ClO4
b. Al3S2, NH3ClO3
c. Al2S3, NH4ClO4
d. Al2S3, (NH4)2ClO3
e. Al2S3, NH4ClO3
ANSWER: e
RATIONALE: Analysis: A. Incorrect. See Section 6.8, Goal 8. B. Incorrect. See Section 6.8, Goal 8. C. Incorrect. See Section 6.8, Goal 8. D. Incorrect. See Section 6.8, Goal 8. E. Correct.
POINTS: 1

35. What are the names of the compounds Ni(HCO3)2 and CrCl2?
a. nitrogen hydrogen carbonate, chromic chloride
b. nitrogen hydrogen carbonate, copper(II) chloride
c. nickel hydrogen carbonate, copper chloride
d. nickel(II) hydrogen carbonate, chromium(II) chloride
e. nickel hydrogen carbonate, chromium chloride
ANSWER: d
RATIONALE: Analysis: A. Incorrect. See Section 6.9, Goal 9. B. Incorrect. See Section 6.9, Goal 9. C. Incorrect. See Section 6.9, Goal 9. D. Correct. E. Incorrect. See Section 6.9, Goal 9.
POINTS: 1

36. The solution shown in the flask is being prepared by dissolving Ni(NO3)2 in water but the lab assistant has run out of this compound and needs to order more.

What name should be looked for in the catalog to order more of this compound?
a. nickel nitride
b. nickel(II) nitrate
c. nickel nitrate
d. nickel nitrite
e. nickel(II) nitrogen oxide
ANSWER: b
RATIONALE: Analysis: A. Incorrect. See Section 6.9, Goal 9. B. Correct. C. Incorrect. See Section 6.9, Goal 9. D. Incorrect. See Section 6.9, Goal 9. E. Incorrect. See Section 6.9, Goal 9.
POINTS: 1

37. Which of the following formula-name pairs is/are correct?
i. GaCl2, gallium chloride (gallium, Z = 31)
ii. HS, hydrosulfuric acid
iii. Pb(NO2)2, lead(II) nitrate
iv. NaClO2, sodium chlorate
v. K3PO4, potassium phosphate
a. all are correct
b. i, iii, and v
c. v only
d. i, ii, iii, and iv
e. none is correct
ANSWER: c
RATIONALE: Analysis: A. Incorrect. See Section 6.9, Goal 9. B. Incorrect. See Section 6.9, Goal 9. C. Correct. D. Incorrect. See Section 6.9, Goal 9. E. Incorrect. See Section 6.9, Goal 9.
POINTS: 1

38. What are the names of the compounds Hg2Cl2 and Zn3(PO4)2?
a. Mercury(II) chloride, zinc phosphate
b. Mercury(II) chloride, zinc(II) phosphate
c. Mercury(II) chloride, zinc(III) phosphate
d. Mercury(I) chloride, zinc phosphate
e. Mercury(I) chloride, zinc(II) phosphate
ANSWER: d
RATIONALE: Analysis: A. Incorrect. See Section 6.9, Goal 9. B. Incorrect. See Section 6.9, Goal 9. C. Incorrect. See Section 6.9, Goal 9. D. Correct. E. Incorrect. See Section 6.9, Goal 9.
POINTS: 1

39. How many water molecules are associated with each formula unit of anhydrous cobalt perchlorate in Co(ClO4)2 • 6 H2O?
a. 2
b. 3
c. 4
d. 5
e. 6
ANSWER: e
RATIONALE: Analysis: A. Incorrect. See Section 6.10, Goal 10. B. Incorrect. See Section 6.10, Goal 10. C. Incorrect. See Section 6.10, Goal 10. D. Incorrect. See Section 6.10, Goal 10. E. Correct.
POINTS: 1

40. Gypsum or calcium sulfate dihydrate is shown in the image.

What would be the formula for the anhydrous form of the compound produced when it is strongly heated?
a. CaSO4 • 2 H2O
b. CaSO4 • H2O
c. CaS • 2 H2O
d. CaS
e. CaSO4
ANSWER: e
RATIONALE: Analysis: A. Incorrect. See Section 6.10, Goal 11. B. Incorrect. See Section 6.10, Goal 11. C. Incorrect. See Section 6.10, Goal 11. D. Incorrect. See Section 6.10, Goal 11. E. Correct.
POINTS: 1

41. How many water molecules are associated with one formula unit of manganese(II) chloride in
MnCl2 • 4 H2O?
a. 1
b. 2
c. 3
d. 4
e. 5
ANSWER: d
RATIONALE: Analysis: A. Incorrect. See Section 6.10, Goal 10. B. Incorrect. See Section 6.10, Goal 10. C. Incorrect. See Section 6.10, Goal 10. D. Correct. E. Incorrect. See Section 6.10, Goal 10.
POINTS: 1

42. What is the name of Cu(NO3)2 • 3 H2O?
a. Copper nitrate terthydrate
b. Copper(II) nitrate trihydrate
c. Copper nitrate terhydrate
d. Copper(II) nitrate terhydrate
e. Copper nitrate trihydrate
ANSWER: b
RATIONALE: Analysis: A. Incorrect. See Section 6.10, Goal 11. B. Correct. C. Incorrect. See Section 6.10, Goal 11. D. Incorrect. See Section 6.10, Goal 11. E. Incorrect. See Section 6.10, Goal 11.
POINTS: 1

43. What is the formula of barium hydroxide octahydrate?
a. Ba(OH)2 • 8 H2O
b. BaOH • 8 H2O
c. B(OH)3 • 8 H2O
d. B(OH)2 • 8 H2O
e. B(OH)3 + 8 H2O( )
ANSWER: a
RATIONALE: Analysis: A. Correct. B. Incorrect. See Section 6.10, Goal 11. C. Incorrect. See Section 6.10, Goal 11. D. Incorrect. See Section 6.10, Goal 11. E. Incorrect. See Section 6.10, Goal 11.
POINTS: 1

44. What is the formula of cobalt(II) nitrate hexahydrate?
a. [Co(NO3)2]6(H2O)
b. [Co2NO3]6(H2O)
c. Co(NO3)2 • 6 H2O
d. Cb(NO3)2 • 6 H2O
e. C2NO3 • 6 H2O
ANSWER: c
RATIONALE: Analysis: A. Incorrect. See Section 6.10, Goal 11. B. Incorrect. See Section 6.10, Goal 11. C. Correct. D. Incorrect. See Section 6.10, Goal 11. E. Incorrect. See Section 6.10, Goal 11.
POINTS: 1

45. What is the name of Fe(NO3)3 • 9 H2O?
a. Iron(III) nitrate ninhydrate
b. Iron(III) nitrate nonahydrate
c. Iron(III) nitrate heptahydrate
d. Iron(III) nitrite nonahydrate
e. Iron(III) nitrite heptahydrate
ANSWER: b
RATIONALE: Analysis: A. Incorrect. See Section 6.10, Goal 11. B. Correct. C. Incorrect. See Section 6.10, Goal 11. D. Incorrect. See Section 6.10, Goal 11. E. Incorrect. See Section 6.10, Goal 11.
POINTS: 1

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