Chemistry 13th Edition By Raymond Chang – Test Bank

Description

Chemistry 13th Edition By Raymond Chang – Test Bank

 Sample Questions

Instant Download With Answers

Chapter 02

Atoms, Molecules, and Ions

 

 

Multiple Choice Questions

In a cathode ray tube

1. electrons pass from the anode to the cathode.
   B. electrons pass from the cathode to the anode.
   C. protons pass from the anode to the cathode.
   D. protons pass from the cathode to the anode.

 

Bloom’s Level: 4. Analyze
Difficulty: Medium
Gradable: automatic
Section: 02.02
Subtopic: Structure of the Atom
Topic: Components of Matter

2. The scientist who determined the magnitude of the electric charge of the electron was
   A.John Dalton.
   B. Robert Millikan.
   C. J. J. Thomson.
   D. Henry Moseley.
   E. R. Chang.

 

Bloom’s Level: 1. Remember
Difficulty: Easy
Gradable: automatic
Section: 02.02
Subtopic: Structure of the Atom
Topic: Components of Matter

 

 

 

3. When J. J. Thomson discovered the electron, what physical property of the electron did he measure?
   A.its charge, e
   B. its charge-to-mass ratio, e/m
   C. its temperature, T
   D. its mass, m
   E. its atomic number, Z

 

Bloom’s Level: 4. Analyze
Difficulty: Easy
Gradable: automatic
Section: 02.02
Subtopic: Structure of the Atom
Topic: Components of Matter

4. Which of the following scientists developed the nuclear model of the atom?
   A.John Dalton
   B. Robert Millikan
   C. J. J. Thomson
   D. Henry Moseley
   E. Ernest Rutherford

 

Bloom’s Level: 1. Remember
Difficulty: Easy
Gradable: automatic
Section: 02.02
Subtopic: Structure of the Atom
Topic: Components of Matter

5. Rutherford’s experiment with alpha particle scattering by gold foil established that
   A.protons are not evenly distributed throughout an atom.
   B. electrons have a negative charge.
   C. electrons have a positive charge.
   D. atoms are made of protons, neutrons, and electrons.
   E. protons are 1840 times heavier than electrons.

 

Bloom’s Level: 4. Analyze
Difficulty: Medium
Gradable: automatic
Section: 02.02
Subtopic: Structure of the Atom
Topic: Components of Matter

 

 

 

6. Atoms of the same element with different mass numbers are called
   A.ions.
   B. neutrons.
   C. allotropes.
   D. chemical families.
   E. isotopes.

 

Bloom’s Level: 2. Understand
Difficulty: Easy
Gradable: automatic
Section: 02.03
Subtopic: Atomic Number, Mass Number, Atomic Symbol, and Isotopes
Topic: Components of Matter

7. An atom of the isotope ¹³⁷Ba consists of how many protons (p), neutrons (n), and electrons (e)?
   A.56 p, 137 n, 56 e
   B. 56 p, 81 n, 56 e
   C. 137 p, 81 n, 56 e
   D. 56 p, 56 n, 56 e
   E. 81 p, 56 n, 81 e

 

Bloom’s Level: 4. Analyze
Difficulty: Medium
Gradable: automatic
Section: 02.03
Subtopic: Atomic Number, Mass Number, Atomic Symbol, and Isotopes
Topic: Components of Matter

8. Give the number of protons (p), neutrons (n), and electrons E) in one atom of ²³⁸U.
   A.146 p, 92 n, 92 e
   B. 92 p, 92 n, 92 e
   C. 92 p, 146 n, 92e
   D. 146 p, 28 n, 146 e
   E. 238 p, 146 n, 238 e

 

Bloom’s Level: 4. Analyze
Difficulty: Medium
Gradable: automatic
Section: 02.03
Subtopic: Atomic Number, Mass Number, Atomic Symbol, and Isotopes
Topic: Components of Matter

 

 

 

9. Which of the following are isotopes?
   A.¹⁴C and ¹³C
   B. ¹⁴C and ¹⁴N
   C. ¹⁴N and ¹⁴N^3-
   D. ¹²C and ¹²CO
   E. ¹⁴N and ¹⁴N₂

 

Bloom’s Level: 4. Analyze
Difficulty: Easy
Gradable: automatic
Section: 02.03
Subtopic: Atomic Number, Mass Number, Atomic Symbol, and Isotopes
Topic: Components of Matter

Complete the following chart, in order from left to right

1. 14, 7, 7, 7
   B. 14, 7, 14, 7
   C. 7, 7, 7, 7
   D. 7, 14, 7, 7
   E. Some other answer

 

Bloom’s Level: 4. Analyze
Difficulty: Medium
Gradable: automatic
Section: 02.03
Subtopic: Atomic Number, Mass Number, Atomic Symbol, and Isotopes
Topic: Components of Matter

 

 

 

Complete the following chart, in order from left to right

1. ⁴⁰Zr, 21
   B. ¹⁹K, 40
   C. ²¹K, 19
   D. ⁴⁰K, 21
   E. ³⁸Sr, 19

 

Bloom’s Level: 4. Analyze
Difficulty: Medium
Gradable: automatic
Section: 02.03
Subtopic: Atomic Number, Mass Number, Atomic Symbol, and Isotopes
Topic: Components of Matter

Complete the following chart, in order from left to right

1. ⁹⁷Zr, 97
   B. ⁴⁰Zr, 57
   C. ⁵⁷La, 40
   D. ⁹⁷Bk, 80
   E. ⁸⁰Hg, 97

 

Bloom’s Level: 4. Analyze
Difficulty: Medium
Gradable: automatic
Section: 02.03
Subtopic: Atomic Number, Mass Number, Atomic Symbol, and Isotopes
Topic: Components of Matter

 

 

 

Complete the following chart, in order from left to right

1. 40, 20, 20, 20
   B. 40, 20, 20, 18
   C. 20, 20, 40, 20
   D. 40, 20, 20, 22
   E. 20, 40, 20, 22

 

Bloom’s Level: 4. Analyze
Difficulty: Medium
Gradable: automatic
Section: 02.03
Subtopic: Atomic Number, Mass Number, Atomic Symbol, and Isotopes
Topic: Components of Matter

Complete the following chart, in order from left to right

1. ⁴He, 2
   B. ⁴Be, 4
   C. ⁴Be, 2
   D. ⁴He, 4
   E. ²H, 2

 

Bloom’s Level: 4. Analyze
Difficulty: Medium
Gradable: automatic
Section: 02.03
Subtopic: Atomic Number, Mass Number, Atomic Symbol, and Isotopes
Topic: Components of Matter

 

 

 

15. The elements in a column of the periodic table are known as
    A.metalloids.
    B. a period.
    C. noble gases.
    D. a group.
    E. nonmetals.

 

Bloom’s Level: 1. Remember
Difficulty: Easy
Gradable: automatic
Section: 02.04
Subtopic: Elements and the Periodic Table
Topic: Components of Matter

16. Which of the following elements is most likely to be a good conductor of electricity?
    A.N
    B. S
    C. He
    D. Cl
    E. Fe

 

Bloom’s Level: 3. Apply
Difficulty: Easy
Gradable: automatic
Section: 02.04
Subtopic: Atomic Number, Mass Number, Atomic Symbol, and Isotopes
Topic: Components of Matter

17. Which of the following elements is chemically similar to magnesium?
    A.sulfur
    B. calcium
    C. iron
    D. nickel
    E. potassium

 

Bloom’s Level: 3. Apply
Difficulty: Easy
Gradable: automatic
Section: 02.04
Subtopic: Atomic Number, Mass Number, Atomic Symbol, and Isotopes
Topic: Components of Matter

 

 

 

18. Which of the following elements is chemically similar to oxygen?
    A.sulfur
    B. calcium
    C. iron
    D. nickel
    E. sodium

 

Bloom’s Level: 3. Apply
Difficulty: Easy
Gradable: automatic
Section: 02.04
Subtopic: Atomic Number, Mass Number, Atomic Symbol, and Isotopes
Topic: Components of Matter

19. Which of the following elements is chemically similar to potassium?
    A.calcium
    B. arsenic
    C. phosphorus
    D. cerium
    E. cesium

 

Bloom’s Level: 3. Apply
Difficulty: Easy
Gradable: automatic
Section: 02.04
Subtopic: Atomic Number, Mass Number, Atomic Symbol, and Isotopes
Topic: Components of Matter

20. An anion is defined as
    A.a charged atom or group of atoms with a net negative charge.
    B. a stable atom.
    C. a group of stable atoms.
    D. an atom or group of atoms with a net positive charge.

 

Bloom’s Level: 1. Remember
Difficulty: Easy
Gradable: automatic
Section: 02.05
Subtopic: Molecules and Ions
Topic: Components of Matter

 

 

 

21. Which one of the following is an ion?
    A.B³⁺
    B. NaCl
    C. He
    D. ¹⁴C
    E. none of the above

 

Bloom’s Level: 4. Analyze
Difficulty: Easy
Gradable: automatic
Section: 02.05
Subtopic: Molecules and Ions
Topic: Components of Matter

22. Which one of the following elements is most likely to form a 2+ ion?
    A.calcium
    B. carbon
    C. fluorine
    D. oxygen
    E. sodium

 

Bloom’s Level: 4. Analyze
Difficulty: Easy
Gradable: automatic
Section: 02.05
Subtopic: Molecules and Ions
Topic: Components of Matter

23. Which one of the following elements is most likely to form a 2– ion?
    A.scandium
    B. selenium
    C. silicon
    D. strontium
    E. iodine

 

Bloom’s Level: 4. Analyze
Difficulty: Easy
Gradable: automatic
Section: 02.05
Subtopic: Molecules and Ions
Topic: Components of Matter

 

 

 

24. A magnesium ion, Mg²⁺, has
    A.12 protons and 13 electrons.
    B. 24 protons and 26 electrons.
    C. 12 protons and 10 electrons.
    D. 24 protons and 22 electrons.
    E. 12 protons and 14 electrons.

 

Bloom’s Level: 4. Analyze
Difficulty: Medium
Gradable: automatic
Section: 02.05
Subtopic: Molecules and Ions
Topic: Components of Matter

25. An aluminum ion, Al³⁺, has:
    A.13 protons and 13 electrons
    B. 27 protons and 24 electrons
    C. 16 protons and 13 electrons
    D. 13 protons and 10 electrons
    E. 10 protons and 13 electrons

 

Bloom’s Level: 4. Analyze
Difficulty: Medium
Gradable: automatic
Section: 02.05
Subtopic: Molecules and Ions
Topic: Components of Matter

26. An oxide ion, O^2–, has:
    A.8 protons and 10 electrons
    B. 10 protons and 8 electrons
    C. 8 protons and 9 electrons
    D. 8 protons and 7 electrons
    E. 10 protons and 7 electrons

 

Bloom’s Level: 4. Analyze
Difficulty: Medium
Gradable: automatic
Section: 02.05
Subtopic: Molecules and Ions
Topic: Components of Matter

 

 

 

27. A phosphide ion has:
    A.10 protons and 13 electrons
    B. 12 protons and 15 electrons
    C. 15 protons and 15 electrons
    D. 15 protons and 18 electrons
    E. 18 protons and 21 electrons

 

Bloom’s Level: 4. Analyze
Difficulty: Medium
Gradable: automatic
Section: 02.05
Subtopic: Molecules and Ions
Topic: Components of Matter

28. An iron(II) ion has:
    A.24 electrons and a charge of 2+
    B. 24 electrons and a charge of 2–
    C. 26 electrons and a charge of 2+
    D. 28 electrons and a charge of 2+
    E. 28 electrons and a charge of 2–

 

Bloom’s Level: 4. Analyze
Difficulty: Medium
Gradable: automatic
Section: 02.05
Subtopic: Molecules and Ions
Topic: Components of Matter

29. How many protons and electrons are present in one Br^– ion?
    A.35 p, 35 e
    B. 80 p, 81 e
    C. 35 p, 34 e
    D. 35 p, 36 e
    E. 80 p, 34 e

 

Bloom’s Level: 4. Analyze
Difficulty: Medium
Gradable: automatic
Section: 02.05
Subtopic: Molecules and Ions
Topic: Components of Matter

 

 

 

What are the two different ions present in the compound CaS?

1. Ca⁺, S^–
   B. Ca^2-, S²⁺
   C. Ca^–, S⁺
   D. Ca²⁺, S^2-
   E. Ca, S

 

Bloom’s Level: 4. Analyze
Difficulty: Medium
Gradable: automatic
Section: 02.06
Subtopic: Molecules and Ions
Topic: Components of Matter

31. What are the two different ions present in the compound Na₂S?
    A.Na₂⁺, S^2-
    B. Na⁺, S^2-
    C. Na²⁺, S^2-
    D. Na⁺, S^–
    E. Na²⁺, S^–

 

Bloom’s Level: 4. Analyze
Difficulty: Medium
Gradable: automatic
Section: 02.06
Subtopic: Molecules and Ions
Topic: Components of Matter

 

 

 

32. What are the two different ions present in the compound Li₃N?
    A.Li⁺, N^3-
    B. Li₃⁺, N^–
    C. Li₃³⁺, N^3-
    D. Li⁺, N^–
    E. Li³⁺, N^3-

 

Bloom’s Level: 4. Analyze
Difficulty: Medium
Gradable: automatic
Section: 02.06
Subtopic: Molecules and Ions
Topic: Components of Matter

33. What are the two different ions present in the compound FeCl₃?
    A.Fe²⁺, Cl₃^–
    B. Fe³⁺, Cl^3-
    C. Fe⁺, Cl^–
    D. Fe³⁺, Cl^–
    E. Fe⁺, Cl^–

 

Bloom’s Level: 4. Analyze
Difficulty: Medium
Gradable: automatic
Section: 02.06
Subtopic: Molecules and Ions
Topic: Components of Matter

34. What are the ions present in the compound CO₂?
    A.C⁴⁺, 2 O^2-
    B. C²⁺, 2 O^–
    C. C²⁺, O^2-
    D. C²⁺, O₂^2-
    E. no ions present

 

Bloom’s Level: 4. Analyze
Difficulty: Medium
Gradable: automatic
Section: 02.06
Subtopic: Molecules and Ions
Topic: Components of Matter

 

 

 

35. What are the ions present in the compound CH₄?
    A.C⁴⁺, H⁺
    B. C^4-, H⁺
    C. C^–, H⁺
    D. C^4- H⁴⁺
    E. no ions present

 

Bloom’s Level: 4. Analyze
Difficulty: Medium
Gradable: automatic
Section: 02.06
Subtopic: Molecules and Ions
Topic: Components of Matter

36. Which of the following is an example of an empirical formula?
    A.C₉H₁₂
    B. C₉H₁₈Cl₂
    C. C₆H₆
    D. N₂O₄
    E. C₂H₂O₂

 

Bloom’s Level: 4. Analyze
Difficulty: Medium
Gradable: automatic
Section: 02.06
Subtopic: Chemical Formulas
Topic: Components of Matter

37. What is the empirical formula for C₁₀H₂₂O₂?
    A.C₁₀H₂₂O₂
    B. C₅H₁₁O
    C. C₂₀H₄₄O₄
    D. C₂H₁₁O
    E. C₅H₁₁O₂

 

Bloom’s Level: 4. Analyze
Difficulty: Medium
Gradable: automatic
Section: 02.06
Subtopic: Chemical Formulas
Topic: Components of Matter

 

 

 

38. What is the empirical formula for C₆H₁₄O?
    A.C₆H₁₄O
    B. C₃H₇O
    C. C₂H₇O
    D. C₁₂H₂₈O₂
    E. CHO

 

Bloom’s Level: 4. Analyze
Difficulty: Medium
Gradable: automatic
Section: 02.06
Subtopic: Chemical Formulas
Topic: Components of Matter

39. What is the ion ClO₄^– named?
    A.chloride ion
    B. chlorite ion
    C. hypochlorite ion
    D. perchlorite ion
    E. perchlorate ion

 

Bloom’s Level: 1. Remember
Difficulty: Medium
Gradable: automatic
Section: 02.07
Subtopic: Nomenclature
Topic: Components of Matter

40. What is the formula for the ionic compound containing calcium ions and nitrate ions?
    A.Ca₃N₂
    B. Ca(NO₃)₂
    C. Ca₂NO₃
    D. Ca₂NO₂
    E. CaNO₃

 

Bloom’s Level: 3. Apply
Difficulty: Medium
Gradable: automatic
Section: 02.07
Subtopic: Nomenclature
Topic: Components of Matter

 

 

 

41. What is the formula for the ionic compound containing calcium ions and oxide ions?
    A.CaO
    B. Ca₂O
    C. CaO₂
    D. Ca₃O
    E. CaO₃

 

Bloom’s Level: 3. Apply
Difficulty: Medium
Gradable: automatic
Section: 02.07
Subtopic: Nomenclature
Topic: Components of Matter

42. What is the formula for the ionic compound containing iron (III) ions and iodide ions?
    A.FeI
    B. Fe₂I
    C. FeI₂
    D. FeI₃
    E. Fe₃I

 

Bloom’s Level: 3. Apply
Difficulty: Medium
Gradable: automatic
Section: 02.07
Subtopic: Nomenclature
Topic: Components of Matter

43. What is the formula for the ionic compound containing sodium ions and nitride ions?
    A.NaN
    B. Na₂N
    C. NNa₂
    D. Na₃N
    E. NNa₃

 

Bloom’s Level: 3. Apply
Difficulty: Medium
Gradable: automatic
Section: 02.07
Subtopic: Nomenclature
Topic: Components of Matter

 

 

44. What is the formula for the ionic compound containing barium ions and sulfate ions?
    A.BaSO₄
    B. Ba₂SO₄
    C. BaS
    D. Ba(SO₄)₂
    E. Ba₃S₂

 

Bloom’s Level: 3. Apply
Difficulty: Medium
Gradable: automatic
Section: 02.07
Subtopic: Nomenclature
Topic: Components of Matter

45. What are the two different ions present in the compound Al(NO₃)₃?
    A.Al³⁺, (NO₃)₃^–
    B. Al⁺, NO₃^–
    C. Al³⁺, NO₃^–
    D. Al³⁺, NO₃^3-
    E. Al⁺, (NO₃)₃^–

 

Bloom’s Level: 3. Apply
Difficulty: Medium
Gradable: automatic
Section: 02.07
Subtopic: Nomenclature
Topic: Components of Matter

46. What are the two different ions present in the compound NH₄NO₃?
    A.NH₄^–, NO₃⁺
    B. NH₄⁺, NO₃^–
    C. N^3-, H⁺, O^2-
    D. NH₄³⁺, NO^4-
    E. NH₄⁺, NO^3-

 

Bloom’s Level: 3. Apply
Difficulty: Medium
Gradable: automatic
Section: 02.07
Subtopic: Nomenclature
Topic: Components of Matter

 

 

 

47. Which is the correct formula for iron(II) phosphate?
    A.Fe₂PO₄
    B. Fe₃(PO₄)₂
    C. Fe₂PO₃
    D. Fe(PO₄)₂
    E. Fe(PO₃)₂

 

Bloom’s Level: 3. Apply
Difficulty: Medium
Gradable: automatic
Section: 02.07
Subtopic: Nomenclature
Topic: Components of Matter

48. Which of the following is the formula for hydroiodic acid?
    A.HIO₄
    B. HIO₃
    C. HIO₂
    D. HIO
    E. HI

 

Bloom’s Level: 3. Apply
Difficulty: Medium
Gradable: automatic
Section: 02.07
Subtopic: Nomenclature
Topic: Components of Matter

49. The formula for calcium phosphate is
    A.CaPO₄.
    B. Ca₃(PO₄)₂.
    C. Ca₂(PO₄)₃.
    D. Ca₃P₂.
    E. Ca₃(PO₃)₂.

 

Bloom’s Level: 3. Apply
Difficulty: Medium
Gradable: automatic
Section: 02.07
Subtopic: Nomenclature
Topic: Components of Matter

 

 

 

50. The formula for magnesium sulfate is
    A.MnS
    B. MgS
    C. MnSO₃
    D. MgSO₄
    E. MgSO₃

 

Bloom’s Level: 3. Apply
Difficulty: Medium
Gradable: automatic
Section: 02.07
Subtopic: Nomenclature
Topic: Components of Matter

51. The formula for sodium sulfide is
    A.NaS.
    B. K₂S.
    C. NaS₂.
    D. Na₂S.
    E. SeS.

 

Bloom’s Level: 3. Apply
Difficulty: Medium
Gradable: automatic
Section: 02.07
Subtopic: Nomenclature
Topic: Components of Matter

52. The name for NH₄NO₃ is
    A.ammonium nitrate.
    B. ammonium nitrogen trioxide.
    C. ammonia nitrogen oxide.
    D. hydrogen nitrogen oxide.
    E. hydrogen nitrate.

 

Bloom’s Level: 3. Apply
Difficulty: Medium
Gradable: automatic
Section: 02.07
Subtopic: Nomenclature
Topic: Components of Matter

 

 

Chapter 04

Reactions in Aqueous Solutions

 

 

Multiple Choice Questions

1. Which of the following compounds is a strong electrolyte?
   A.H₂O
   B. CH₃OH
   C. CH₃CH₂OH
   D. HF
   E. NaF

 

Bloom’s Level: 4. Analyze
Difficulty: Easy
Gradable: automatic
Section: 04.01
Subtopic: Ions in Water (Electrolytes)
Topic: Aqueous Solutions

2. Which of the following compounds is a weak electrolyte?
   A.HNO₃
   B. NaNO₃
   C. HNO₂
   D. NaNO₂
   E. NaOH

 

Bloom’s Level: 4. Analyze
Difficulty: Easy
Gradable: automatic
Section: 04.01
Subtopic: Ions in Water (Electrolytes)
Topic: Aqueous Solutions

 

 

 

3. Which of the following compounds is a strong electrolyte?
   A.H₂O
   B. N₂
   C. CH₃COOH (acetic acid)
   D. CH₃CH₂OH (ethanol)
   E. KOH

 

Bloom’s Level: 4. Analyze
Difficulty: Easy
Gradable: automatic
Section: 04.01
Subtopic: Ions in Water (Electrolytes)
Topic: Aqueous Solutions

4. Which of the following compounds is a weak electrolyte?
   A.HCl
   B. CH₃COOH (acetic acid)
   C. C₆H₁₂O₆ (glucose)
   D. O₂
   E. NaCl

 

Bloom’s Level: 4. Analyze
Difficulty: Easy
Gradable: automatic
Section: 04.01
Subtopic: Ions in Water (Electrolytes)
Topic: Aqueous Solutions

5. Which of the following compounds is a weak electrolyte?
   A.HCl
   B. NH₃
   C. C₆H₁₂O₆ (glucose)
   D. N₂
   E. KCl

 

Bloom’s Level: 4. Analyze
Difficulty: Easy
Gradable: automatic
Section: 04.01
Subtopic: Ions in Water (Electrolytes)
Topic: Aqueous Solutions

 

 

 

6. Which of the following compounds is a nonelectrolyte?
   A.NaF
   B. HNO₃
   C. CH₃COOH (acetic acid)
   D. NaOH
   E. C₆H₁₂O₆ (glucose)

 

Bloom’s Level: 4. Analyze
Difficulty: Easy
Gradable: automatic
Section: 04.01
Subtopic: Ions in Water (Electrolytes)
Topic: Aqueous Solutions

7. Which of the following compounds is a nonelectrolyte?
   A.NaOH
   B. HNO₃
   C. C₂H₆O(ethanol)
   D. KF
   E. CH₃COOH (acetic acid)

 

Bloom’s Level: 4. Analyze
Difficulty: Easy
Gradable: automatic
Section: 04.01
Subtopic: Ions in Water (Electrolytes)
Topic: Aqueous Solutions

8. Identify the major ionic species present in an aqueous solution of Na₂CO₃.
   A.Na₂⁺, CO₃^2–
   B. Na₂⁺, C^{2 –}, O₃
   C. Na⁺, C⁴⁺, O₃^2–
   D. Na⁺, C⁺, O^2–
   E. Na⁺, CO₃^2–

 

Bloom’s Level: 4. Analyze
Difficulty: Easy
Gradable: automatic
Section: 04.01
Subtopic: Ions in Water (Electrolytes)
Topic: Aqueous Solutions

 

 

 

9. Identify the major ionic species present in an aqueous solution of K₂SO₄.
   A.K²⁺, S⁶⁺, O₄^8–
   B. K²⁺, S⁶⁺, 4O^2–
   C. 2K⁺, S⁶⁺, O₄^8–
   D. 2K⁺, S⁶⁺, 4O^2–
   E. 2K⁺, SO₄^2–

 

Bloom’s Level: 4. Analyze
Difficulty: Easy
Gradable: automatic
Section: 04.01
Subtopic: Ions in Water (Electrolytes)
Topic: Aqueous Solutions

10. Identify the major ionic species present in an aqueous solution of NH₄ClO₄.
    A.NH₄⁺, Cl^–, 4O²
    B. N^3-, 4H⁺, Cl^–, 4O²
    C. 4NH⁺, 4ClO^–
    D. NH₄⁺, ClO₄^–
    E. NH₄Cl⁺, O₄^–

 

Bloom’s Level: 4. Analyze
Difficulty: Easy
Gradable: automatic
Section: 04.01
Subtopic: Ions in Water (Electrolytes)
Topic: Aqueous Solutions

11. Identify the major ionic species present in an aqueous solution of C₆H₁₂O₆ (glucose).
    A.6 C^–, 12 H⁺, 6 O^–
    B. 6 C⁺, 12 H⁺, 6 O^2-
    C. 6 CH²⁺, 6 O^2-
    D. C₆⁺, 12 H⁺, 6 O^2-
    E. no ions are present

 

Bloom’s Level: 4. Analyze
Difficulty: Easy
Gradable: automatic
Section: 04.01
Subtopic: Ions in Water (Electrolytes)
Topic: Aqueous Solutions

 

 

 

12. Identify the major ionic species present in an aqueous solution of FeCl₃.
    A.Fe⁺, Cl₃^–
    B. Fe³⁺, Cl₃^3-
    C. Fe³⁺, 3 Cl^–
    D. Fe²⁺, 3 Cl^–
    E. Fe⁺, 3 Cl^–

 

Bloom’s Level: 4. Analyze
Difficulty: Easy
Gradable: automatic
Section: 04.01
Subtopic: Ions in Water (Electrolytes)
Topic: Aqueous Solutions

13. Identify the major ionic species present in an aqueous solution of C₁₂H₂₂O₁₁ (sucrose).
    A.12 C^–, 22 H⁺, 11 O^–
    B. 12 C⁺, 22 H⁺, 11 O^2-
    C. 12 CH²⁺, 11 O^2-
    D. C₁₂⁺, 22 H⁺, 11 O^2-
    E. no ions are present

 

Bloom’s Level: 4. Analyze
Difficulty: Easy
Gradable: automatic
Section: 04.01
Subtopic: Ions in Water (Electrolytes)
Topic: Aqueous Solutions

14. The distinguishing characteristic of all electrolyte solutions is that they
    A.contain molecules.
    B. conduct electricity.
    C. react with other solutions.
    D. always contain acids.
    E. conduct heat.

 

Bloom’s Level: 4. Analyze
Difficulty: Easy
Gradable: automatic
Section: 04.01
Subtopic: Ions in Water (Electrolytes)
Topic: Aqueous Solutions

 

 

 

15. Based on the solubility rules, which one of the following compounds should be insoluble in water?
    A.NaCl
    B. MgBr₂
    C. FeCl₂
    D. AgBr
    E. ZnCl₂

 

Bloom’s Level: 5. Evaluate
Difficulty: Easy
Gradable: automatic
Section: 04.02
Subtopic: Writing Equations for Aqueous Ionic Reactions (Molecular, Total and Net Equations)
Topic: Aqueous Solutions

16. Based on the solubility rules, which of the following compounds should be insoluble in water?
    A.Na₂SO₄
    B. BaSO₄
    C. CuSO₄
    D. MgSO₄
    E. Rb₂SO₄

 

Bloom’s Level: 5. Evaluate
Difficulty: Easy
Gradable: automatic
Section: 04.02
Subtopic: Writing Equations for Aqueous Ionic Reactions (Molecular, Total and Net Equations)
Topic: Aqueous Solutions

 

 

 

17. Based on the solubility rules, which of the following compounds should be insoluble in water?
    A.CaCO₃
    B. (NH₄)₂CO₃
    C. Na₂CO₃
    D. K₂CO₃
    E. KNO₃

 

Bloom’s Level: 5. Evaluate
Difficulty: Easy
Gradable: automatic
Section: 04.02
Subtopic: Writing Equations for Aqueous Ionic Reactions (Molecular, Total and Net Equations)
Topic: Aqueous Solutions

18. Based on the solubility rules, which of the following should be soluble in water?
    A.Hg₂Cl₂
    B. Na₂S
    C. Ag₂CO₃
    D. Ag₂S
    E. BaSO₄

 

Bloom’s Level: 5. Evaluate
Difficulty: Easy
Gradable: automatic
Section: 04.02
Subtopic: Writing Equations for Aqueous Ionic Reactions (Molecular, Total and Net Equations)
Topic: Aqueous Solutions

19. Based on the solubility rules, which of the following should be soluble in water?
    A.AgBr
    B. AgCl
    C. Ag₂CO₃
    D. AgNO₃
    E. Ag₂S

 

Bloom’s Level: 5. Evaluate
Difficulty: Easy
Gradable: automatic
Section: 04.02
Subtopic: Writing Equations for Aqueous Ionic Reactions (Molecular, Total and Net Equations)
Topic: Aqueous Solutions

 

 

 

20. Based on the solubility rules, which of the following should be soluble in water?
    A.(NH₄)₃PO₄
    B. Ca₃(PO₄)₂
    C. AlPO₄
    D. Ag₃PO₄
    E. Mg₃(PO₄)₂

 

Bloom’s Level: 5. Evaluate
Difficulty: Easy
Gradable: automatic
Section: 04.02
Subtopic: Writing Equations for Aqueous Ionic Reactions (Molecular, Total and Net Equations)
Topic: Aqueous Solutions

21. Based on the solubility rules, which of the following should be soluble in water?
    A.CaSO₄
    B. BaSO₄
    C. PbSO₄
    D. K₂SO₄
    E. AgCl

 

Bloom’s Level: 5. Evaluate
Difficulty: Easy
Gradable: automatic
Section: 04.02
Subtopic: Writing Equations for Aqueous Ionic Reactions (Molecular, Total and Net Equations)
Topic: Aqueous Solutions

22. Which of the following will occur when a solution of Pb(NO₃)₂(aq) is mixed with a solution of KI(aq)?
    A.A precipitate of KNO₃ will form; Pb²⁺ and I^– are spectator ions.
    B. No precipitate will form.
    C. A precipitate of Pb(NO₃)₂ will form; K⁺ and I^– are spectator ions.
    D. A precipitate of PbI₂ will form; K⁺ and NO₃^– are spectator ions.
    E. A precipitate of PbI₂ will form; Pb²⁺ and I^– are spectator ions.

 

Bloom’s Level: 5. Evaluate
Difficulty: Medium
Gradable: automatic
Section: 04.02
Subtopic: Writing Equations for Aqueous Ionic Reactions (Molecular, Total and Net Equations)
Topic: Aqueous Solutions

 

 

 

23. Which of the following will occur when solutions of CuSO₄(aq) and BaCl₂(aq) are mixed?
    A.A precipitate of CuCl₂ will form; Ba²⁺ and SO₄^2– are spectator ions.
    B. A precipitate of CuSO₄ will form; Ba²⁺ and Cl^– are spectator ions.
    C. A precipitate of BaSO₄ will form; Cu²⁺ and Cl^– are spectator ions.
    D. A precipitate of BaCl₂ will form; Cu²⁺ and SO₄^2– are spectator ions.
    E. No precipitate will form.

 

Bloom’s Level: 5. Evaluate
Difficulty: Medium
Gradable: automatic
Section: 04.02
Subtopic: Writing Equations for Aqueous Ionic Reactions (Molecular, Total and Net Equations)
Topic: Aqueous Solutions

24. Which of the following will occur when solutions of ZnSO₄(aq) and MgCl₂(aq) are mixed?
    A.A precipitate of ZnCl₂ will form; Mg²⁺ and SO₄^2– will be spectator ions.
    B. A precipitate of ZnSO₄ will form ; Mg²⁺ and Cl^– will be spectator ions.
    C. A precipitate of MgSO₄ will form ; Zn²⁺ and Cl^– will be spectator ions.
    D. A precipitate of MgCl₂ will form ; Zn²⁺ and SO₄^2– will be spectator ions.
    E. No precipitate will form.

 

Bloom’s Level: 5. Evaluate
Difficulty: Medium
Gradable: automatic
Section: 04.02
Subtopic: Writing Equations for Aqueous Ionic Reactions (Molecular, Total and Net Equations)
Topic: Aqueous Solutions

 

 

 

25. Identify the precipitate(s) formed when solutions of Na₂SO₄(aq), Ba(NO₃)₂(aq), and NH₄ClO₄(aq) are mixed.
    A.Ba(ClO₄)₂
    B. BaSO₄ and (NH₄)₂SO₄
    C. NH₄NO₃ and NaClO₄
    D. BaSO₄
    E. NaClO₄

 

Bloom’s Level: 5. Evaluate
Difficulty: Medium
Gradable: automatic
Section: 04.02
Subtopic: Writing Equations for Aqueous Ionic Reactions (Molecular, Total and Net Equations)
Topic: Aqueous Solutions

26. Identify the precipitate(s) formed when solutions of NH₄Cl(aq), AgClO₃(aq), and NaCl(aq) are mixed.
    A.AgCl
    B. AgCl and NH₄ClO₃
    C. NH₄Cl and NaClO₃
    D. NH₄ClO₃
    E. AgNH₄

 

Bloom’s Level: 5. Evaluate
Difficulty: Medium
Gradable: automatic
Section: 04.02
Subtopic: Writing Equations for Aqueous Ionic Reactions (Molecular, Total and Net Equations)
Topic: Aqueous Solutions

 

 

 

27. Identify the precipitate(s) formed when solutions of Ca(ClO₄)₂(aq), K₂CO₃(aq), and NaNO₃(aq) are mixed.
    A.CaCO₃
    B. Na₂CO₃
    C. Ca(NO₃)₂ and NaClO₄
    D. CaCO₃ and Na₂CO₃
    E. KClO₄ and Ca(NO₃)₂

 

Bloom’s Level: 5. Evaluate
Difficulty: Medium
Gradable: automatic
Section: 04.02
Subtopic: Writing Equations for Aqueous Ionic Reactions (Molecular, Total and Net Equations)
Topic: Aqueous Solutions

28. Identify the precipitate(s) formed when solutions of Pb(NO₃)₂(aq), Mg(ClO₄)₂(aq), and (NH₄)₂SO₄(aq) are mixed.
    A.PbSO₄
    B. MgSO₄
    C. NH₄ClO₄
    D. NH₄NO₃ and NH₄ClO₄
    E. PbSO₄ and MgSO₄

 

Bloom’s Level: 5. Evaluate
Difficulty: Medium
Gradable: automatic
Section: 04.02
Subtopic: Writing Equations for Aqueous Ionic Reactions (Molecular, Total and Net Equations)
Topic: Aqueous Solutions

 

 

 

29. Identify the correct net ionic equation for the reaction that occurs when solutions of Pb(NO₃)₂ and NH₄Cl are mixed.
    A.

Pb(NO₃)₂(aq) + 2NH₄Cl(aq) ® NH₄NO₃(aq) + PbCl₂(s)

Pb²⁺(aq) + 2Cl^–(aq) ® PbCl₂(s)

1. Pb²⁺(aq) + 2NO₃^– (aq) + 2NH (aq) + 2Cl^–(aq) ® 2NH (aq) + 2NO₃^– (aq) + PbCl₂(s)
   D.

NH₄⁺(aq)+ NO₃^– (aq) ® 2NH₄NO₃(s)

1. No reaction occurs when the solutions are mixed.

 

Bloom’s Level: 5. Evaluate
Difficulty: Medium
Gradable: automatic
Section: 04.02
Subtopic: Writing Equations for Aqueous Ionic Reactions (Molecular, Total and Net Equations)
Topic: Aqueous Solutions

 

 

 

30. Identify the correct net ionic equation for the reaction that occurs when solutions of AgNO₃ and NH₄Cl are mixed.
    A.

AgNO₃(aq) + NH₄Cl(aq) ® AgCl(s) + NH₄Cl(aq)

NH₄⁺(aq) + NO₃^–(aq) ® NH₄NO₃(s)

AgNO₃(aq) + NH₄Cl(aq) ® AgCl(s) + NH₄Cl(s)

Ag⁺(aq) + Cl^–(aq) ® AgCl(s)

AgNO₃(aq) + NH₄⁺(aq) ® NH₄AgNO₃(s)

 

 

Bloom’s Level: 5. Evaluate
Difficulty: Medium
Gradable: automatic
Section: 04.02
Subtopic: Writing Equations for Aqueous Ionic Reactions (Molecular, Total and Net Equations)
Topic: Aqueous Solutions

 

 

 

31. Identify the correct net ionic equation for the reaction that occurs when solutions of Ba(ClO₄)₂ and K₂SO₄ are mixed.
    A.

Ba²⁺(aq) + SO₄^2-(aq) ® BaSO₄(s)

2K⁺(aq) + 2ClO₄^–(aq) ® K₂(ClO₄)₂(s)

K⁺(aq) + ClO₄^–(aq) ® KClO₄(s)

Ba(ClO₄)₂(aq) + K₂SO₄(aq) ® BaSO₄(s) + 2KClO₄(s)

1. Ba²⁺(aq) + K⁺(aq) + SO₄^2-(aq) ® KBaSO₄(s)

 

Bloom’s Level: 5. Evaluate
Difficulty: Medium
Gradable: automatic
Section: 04.02
Subtopic: Writing Equations for Aqueous Ionic Reactions (Molecular, Total and Net Equations)
Topic: Aqueous Solutions

 

 

 

32. Identify the correct net ionic equation for the reaction that occurs when solutions of Na₃PO₄ and Ca(NO₃)₂ are mixed.
    A.

Ca²⁺ + PO₄^2-(aq) ® CaPO₄(s)

3Ca²⁺(aq) + 2PO₄^3-(aq) ® Ca₃(PO₄)₂(s)

1. Na⁺(aq) + NO₃^– ® NaNO₃(s)
   D.Na⁺(aq) + Ca²⁺(aq) + PO₄^3-(aq) ® NaCaPO₄(s)
   E.

2 Na₃PO₄(aq) + 3Ca(NO₃)₂(aq) ® 6NaNO₃(s) + Ca₃(PO₄)₂(s)

 

 

Bloom’s Level: 5. Evaluate
Difficulty: Medium
Gradable: automatic
Section: 04.02
Subtopic: Writing Equations for Aqueous Ionic Reactions (Molecular, Total and Net Equations)
Topic: Aqueous Solutions

33. The common constituent in all acid solutions is
    A.H₂
    B. H⁺
    C. OH^–
    D. H₂SO₄
    E. Cl^–

 

Bloom’s Level: 2. Understand
Bloom’s Level: 5. Evaluate
Difficulty: Easy
Gradable: automatic
Section: 04.03
Subtopic: Acid-Base Definitions
Subtopic: Writing Equations for Aqueous Ionic Reactions (Molecular, Total and Net Equations)
Topic: Acids and Bases
Topic: Aqueous Solutions

 

 

 

34. Which of the following compounds is a weak acid?
    A.HF
    B. HCl
    C. HBr
    D. HI
    E. HClO₄

 

Bloom’s Level: 2. Understand
Difficulty: Easy
Gradable: automatic
Section: 04.03
Subtopic: Acid-Base Strengths
Subtopic: Weak acid Equilibrium Ka
Topic: Acids and Bases

35. Which of the following compounds is a strong acid?
    A.HF
    B. HI
    C. HClO₂
    D. H₂SO₃
    E. HNO₂

 

Bloom’s Level: 3. Apply
Difficulty: Easy
Gradable: automatic
Section: 04.03
Subtopic: Acid-Base Strengths
Topic: Acids and Bases

 

 

36. Which of the following compounds is a weak base?
    A.KOH
    B. Sc(OH)₃
    C. NH₃
    D. NH₄⁺
    E. CO₂

 

Bloom’s Level: 3. Apply
Difficulty: Easy
Gradable: automatic
Section: 04.03
Subtopic: Acid-Base Strengths
Subtopic: Weak Base equilibrium Kb
Topic: Acids and Bases

 

37. Which of the following ions is a weak acid?
    A.SO₄^2-
    B. H₂SO₄
    C. HSO₄^–
    D. HNO₃
    E. NO₃^–

 

Bloom’s Level: 2. Understand
Difficulty: Easy
Gradable: automatic
Section: 04.03
Subtopic: Acid-Base Strengths
Subtopic: Weak acid Equilibrium Ka
Topic: Acids and Bases

 

 

38. Identify the major ions present in an aqueous LiOH solution.
    A.Li²⁺, O^–, H^–
    B. Li⁺, OH^–
    C. LiO^–, H⁺
    D. Li⁺, O^2–, H⁺
    E. Li^–, OH⁺

 

Bloom’s Level: 2. Understand
Difficulty: Easy
Gradable: automatic
Section: 04.01
Subtopic: Acid-Base Definitions
Subtopic: Acid-Base Strengths
Topic: Acids and Bases

 

39. Identify the major ions present in an aqueous HNO₃ solution.
    A.HN⁺, O^2–
    B. OH^–, NO₃^–
    C. OH^–, NO
    D. H⁺, N^3–, O^2–
    E. H⁺, NO₃^–

 

Bloom’s Level: 2. Understand
Difficulty: Easy
Gradable: automatic
Section: 04.03
Subtopic: Acid-Base Definitions
Subtopic: Acid-Base Strengths
Topic: Acids and Bases

 

 

40. Identify the major ionic species present in an aqueous solution of H₂SO₄.
    A.S⁶⁺, O₃^6– (plus H₂O as a neutral species)
    B. H⁺, OH^–, S⁶⁺, 3O^2–
    C. 2H⁺, S⁶⁺, 4O^2–
    D. H⁺, HSO₄^–
    E. 2H⁺, SO₄^2–

 

Bloom’s Level: 2. Understand
Difficulty: Medium
Gradable: automatic
Section: 04.03
Subtopic: Acid-Base Definitions
Subtopic: Acid-Base Strengths
Topic: Acids and Bases