Question 1

What is the oxidation number of iodine in I2?

Accepted Answer

A)   -1
B)   0
C)   +1
D)   +7
E)   -7F) A) and C)
G) A) and B)

Question 2

H3PO4 is a strong acid.

Accepted Answer

A) True 
 B)False

Question 3

Based on the solubility rules, which one of these compounds is insoluble in water?

Accepted Answer

A)   NaCl
B)   MgBr2
C)   FeCl2
D)   AgBr
E)   ZnCl2F) C) and E)
G) B) and E)

Question 4

Which of the following is soluble in water?

Accepted Answer

A)   AgCl
B)   Rb2CrO4
C)   Hg2I2
D)   CaSO4
E)   PbBr2F) B) and D)
G) B) and C)

Question 5

A 4.691-g sample of MgCl2 is dissolved in enough water to give 750. mL of solution. What is the magnesium ion concentration in this solution?

Accepted Answer

A)   6.25 M
B)   6.57 × 10-2 M
C)   4.38 × 10-2 M
D)   3.29 × 10-2 M
E)   2.19 ×10-2 MF) D) and E)
G) A) and C)

Question 6

The substance (CH3CH2) 2NH is considered to be

Accepted Answer

A)   a weak acid.
B)   a weak base.
C)   a strong acid.
D)   a strong base.
E)   neither acidic nor basic.F) None of the above
G) A) and E)

Question 7

Which of these compounds is a weak electrolyte?

Accepted Answer

A)   HCl
B)   NH3
C)   C6H12O6 (glucose) 
D)   N2
E)   KClF) B) and D)
G) None of the above

Question 8

What is the oxidation number of sulfur in sulfuric acid?

Accepted Answer

A)   +1
B)   +6
C)   -2
D)   -4
E)   +4F) C) and D)
G) D) and E)

Question 9

If aqueous solutions of lead(II)  nitrate and sodium sulfate are mixed, which insoluble precipitate is formed?

Accepted Answer

A)   NaNO3
B)   Na2NO3
C)   PbSO4
D)   Pb2SO4
E)   PbSF) B) and E)
G) A) and E)

Question 10

Which process defines how an ionic compound breaks apart into its constituent ions upon dissolution?

Accepted Answer

A)   electrolysis
B)   dissociation
C)   division
D)   ionization
E)   decompositionF) D) and E)
G) A) and B)

Question 11

What volume of a 0.452 M NaOH solution is needed to neutralize 85.0 mL of a 0.176 M solution of H2SO4?

Accepted Answer

A)   218.3 mL
B)   66.2 mL
C)   38.4 mL
D)   436.6 mL
E)   33.1 mLF) B) and C)
G) B) and E)

Question 12

Identify NaOH as an electrolyte or nonelectrolyte.

Accepted Answer

The answer of Identify NaOH as an electrolyte or nonelectrolyte....

Question 13

Identify the net ionic equation for the following reaction: 2NaCl(aq)  + Hg2(NO3) 2(aq)  → 2NaNO3(aq)  + Hg2Cl2(s)

Accepted Answer

A)   Na+(aq)  + NO3- (aq)  → NaNO3(aq) 
B)   Hg22+(aq)  + 2Cl-(aq)  → Hg2Cl2(s) 
C)   2Hg+(aq)  + 2Cl-(aq)  → 2HgCl(s) 
D)   Hg2(NO3) 2(aq)  → Hg22+(aq)  + 2NO3-(aq) 
E)   Hg22+(aq)  → Hg2(s) F) C) and D)
G) B) and E)

Question 14

Which one of the following is a strong acid?

Accepted Answer

A)   CH3COOH
B)   H2SO3
C)   NH3
D)   H3PO4
E)   HClO3F) D) and E)
G) A) and D)

Question 15

Hydration is the process in which organic solvent molecules surround a solute particle.

Accepted Answer

A) True 
 B)False

Question 16

Ammonium carbonate is not water soluble.

Accepted Answer

A) True 
 B)False

Question 17

Balance the following oxidation-reduction equation: Li(s)  + O2(g)  → Li2O(s)

Accepted Answer

A)   2Li(s)  + O2(g)  → Li2O(s) 
B)   Li(s)  + O2(g)  → Li2O(s) 
C)   4Li(s)  + O2(g)  → 2Li2O(s) 
D)   2Li(s)  + O2(g)  → 2Li2O(s) 
E)   2Li(s)  + O2(g)  → 4Li2O(s) F) B) and E)
G) A) and E)

Question 18

Which of these compounds is a strong electrolyte?

Accepted Answer

A)   H2O
B)   O2
C)   H2SO4
D)   C6H12O6 (glucose) 
E)   CH3COOH (acetic acid) F) None of the above
G) C) and D)

Question 19

A(n) ________ is a substance that has a distinctly different color in acidic and basic media and is used in acid-base titrations to find the endpoint of the titration.

Accepted Answer

The answer of A(n) ________ is a substance that has...

Question 20

The substance HClO4 is considered to be

Accepted Answer

A)   a weak acid.
B)   a weak base.
C)   a strong acid.
D)   a strong base.
E)   neither acidic nor basic.F) C) and D)
G) All of the above

Exam 4: Reactions in Aqueous Solutions

Which of the following is soluble in water?

Correct AnswerverifiedShow Answer

What volume of a 0.452 M NaOH solution is needed to neutralize 85.0 mL of a 0.176 M solution of H2SO4?

Correct AnswerverifiedShow Answer

Hydration is the process in which organic solvent molecules surround a solute particle.

Correct AnswerverifiedShow Answer

Based on the solubility rules, which one of these compounds is insoluble in water?

Correct AnswerverifiedShow Answer

Balance the following oxidation-reduction equation: Li(s) + O2(g) → Li2O(s)

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Which of these compounds is a strong electrolyte?

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Identify NaOH as an electrolyte or nonelectrolyte.

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Which one of the following is a strong acid?

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A 4.691-g sample of MgCl2 is dissolved in enough water to give 750. mL of solution. What is the magnesium ion concentration in this solution?

Correct AnswerverifiedShow Answer

What is the oxidation number of iodine in I2?

Correct AnswerverifiedShow Answer

Ammonium carbonate is not water soluble.

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If aqueous solutions of lead(II) nitrate and sodium sulfate are mixed, which insoluble precipitate is formed?

Correct AnswerverifiedShow Answer

A(n) ________ is a substance that has a distinctly different color in acidic and basic media and is used in acid-base titrations to find the endpoint of the titration.

Correct AnswerverifiedShow Answer

Identify the net ionic equation for the following reaction: 2NaCl(aq) + Hg2(NO3) 2(aq) → 2NaNO3(aq) + Hg2Cl2(s)

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What is the oxidation number of sulfur in sulfuric acid?

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Which of these compounds is a weak electrolyte?

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The substance HClO4 is considered to be

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Which process defines how an ionic compound breaks apart into its constituent ions upon dissolution?

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H3PO4 is a strong acid.

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The substance (CH3CH2) 2NH is considered to be

Correct AnswerverifiedShow Answer

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What volume of a 0.452 M NaOH solution is needed to neutralize 85.0 mL of a 0.176 M solution of H₂SO₄?

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Balance the following oxidation-reduction equation: Li(s) + O₂(g) → Li₂O(s)

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A 4.691-g sample of MgCl₂ is dissolved in enough water to give 750. mL of solution. What is the magnesium ion concentration in this solution?

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What is the oxidation number of iodine in I₂?

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Identify the net ionic equation for the following reaction: 2NaCl(aq) + Hg₂(NO₃) ₂(aq) → 2NaNO₃(aq) + Hg₂Cl₂(s)

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The substance HClO₄ is considered to be

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H₃PO₄ is a strong acid.

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The substance (CH₃CH₂) ₂NH is considered to be

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