Question 1

Which one of these elements is a liquid at room temperature

Accepted Answer

A)   bromine
B)   chlorine
C)   fluorine
D)   iodine
E)   seleniumF) A) and E)
G) C) and D)

Question 2

Select basic oxide from the choices given.

Accepted Answer

A)   CaO
B)   SiO2
C)   CO2
D)   P4O6
E)   H2O2F) All of the above
G) D) and E)

Question 3

The following accurately depicts the balanced chemical equation for a laboratory preparation of nitrogen gas.NH4NO2(s) $\rarr$ 2H2O(g) + N2(g)

Accepted Answer

A) True 
 B)False  True

Question 4

Which of these aqueous solutions has the highest pH

Accepted Answer

A)   0.100 M NaOH
B)   0.100 M Na2O
C)   0.100 M Na3N
D)   All of these solutions have the same pH due to the leveling effect.
E)   These all are solutions of weak bases, so Kb values are needed in order to decide.F) A) and C)
G) B) and D)

Question 5

When liquid phosphorus trichloride reacts with water, the products are

Accepted Answer

A)   PCl5 and H3PO4.
B)   H3PO3 and Cl2.
C)   H3PO4 and HCl.
D)   H3PO4 and Cl2.
E)   H3PO3 and HCl.F) D) and E)
G) A) and E)

Question 6

Which of these substances is being considered as a replacement fuel for gasoline

Accepted Answer

A)   D2O
B)   H2
C)   NO2
D)   F2
E)   HeF) B) and E)
G) A) and C) B

Question 7

In which of the following compounds is sulfur in a positive oxidation state

Accepted Answer

A)   H2S
B)   S8
C)   CaS
D)   MnS
E)   SO3F) A) and B)
G) B) and E)

Question 8

What element is the most abundant by mass in Earth's crust

Accepted Answer

A)   Fe
B)   H
C)   K
D)   P
E)   OF) A) and C)
G) B) and E)

Question 9

Of the three oxides SiO2, MgO, and P4O10, the most acidic oxide is P4O10.

Accepted Answer

A) True 
 B)False

Question 10

The presence of ozone in the upper atmosphere is important because

Accepted Answer

A)   O3 absorbs outgoing radiation from the earth's surface, thus helping to keep the earth warm.
B)   O3 absorbs harmful solar radiation.
C)   O3 dissolves in water droplets and is very reactive.
D)   O3 is a major reactant in photosynthesis.E) All of the above
F) None of the above

Question 11

Select acidic oxide from the choices given.

Accepted Answer

A)   CaO
B)   Na2O
C)   Na2O2
D)   P4O6
E)   KOHF) A) and D)
G) B) and E)

Question 12

Determine all of the ionic hydrides from the compounds listed below.
I. CaH2 
II. H2S 
III. SiH4

Accepted Answer

A)   I only
B)   II only
C)   I and II
D)   I and III
E)   II and IIIF) A) and D)
G) B) and E)

Question 13

Ozone (O3)  and oxygen gas (O2)  are examples of

Accepted Answer

A)   isotopes.
B)   allotropes.
C)   polymorphs.
D)   alloys.
E)   amphoterism.F) A) and B)
G) A) and C)

Question 14

List the following acids in order of increasing acid strength: HOCl, HClO3, HClO4.

Accepted Answer

A)   HOCl 3 4
B)   HClO4 3 
C)   HClO3 4 
D)   HOCl 4 3
E)   HClO3 4F) A) and B)
G) B) and C)

Question 15

Which one of these elements is not a gas at room temperature

Accepted Answer

A)   chlorine
B)   fluorine
C)   nitrogen
D)   oxygen
E)   sulfurF) All of the above
G) B) and D)

Question 16

The following is a balanced chemical equation that depicts the production of chlorine by the chlor-alkali process. $2 \mathrm{NaCl}(\mathrm{aq})+2 \mathrm{H}_{2} \mathrm{O}(\mathrm{l}) \xrightarrow{\text { electrolysis }~~} 2 \mathrm{NaOH}(\mathrm{aq})+\mathrm{H}_{2}(\mathrm{g})+\mathrm{Cl}_{2}(\mathrm{g})$

Accepted Answer

A) True 
 B)False

Question 17

Write the chemical formula of the superoxide ion.

Accepted Answer

A)   O2-
B)   O-
C)   O2-
D)   O22-
E)   None of the aboveF) A) and C)
G) All of the above

Question 18

Which of these aqueous solutions has the lowest pH

Accepted Answer

A)   0.100 M NaOH
B)   0.100 M Na2O
C)   0.100 M Na3N
D)   All of these solutions have the same pH due to the leveling effect.
E)   These all are solutions of weak bases, so Kb values are needed in order to decide.F) A) and B)
G) B) and C)

Question 19

Choose the true statement concerning the relative acid strengths of H2SO4 and H2SO3.

Accepted Answer

A)   H2SO4 is a stronger acid than H2SO3 because the S in H2SO4 has a more positive oxidation state than the S in H2SO3 which influences the polarity of the O-H bonds.
B)   H2SO4 is a weaker acid than H2SO3 because the S in H2SO4 has a more positive oxidation state than the S in H2SO3 which influences the polarity of the O-H bonds.
C)   H2SO4 is a stronger acid than H2SO3 because the S in H2SO4 has a less positive oxidation state than the S in H2SO3 which influences the polarity of the O-H bonds.
D)   H2SO4 is a weaker acid than H2SO3 because the S in H2SO4 has a more negative oxidation state than the S in H2SO3 which influences the polarity of the O-H bonds.E) A) and B)
F) B) and C) A

Question 20

Which of the following choices is/are ionic oxides
I. SrO 
II. SiO2 
III. SO2

Accepted Answer

A)   I only
B)   II only
C)   III only
D)   I and II
E)   II and IIIF) B) and E)
G) A) and E)

Exam 22: Nonmetallic Elements and Their Compounds

Which one of these elements is a liquid at room temperature

Correct Answer
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Select basic oxide from the choices given.

Correct Answer
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The following accurately depicts the balanced chemical equation for a laboratory preparation of nitrogen gas.NH₄NO₂(s) $\rarr$ 2H₂O(g) + N₂(g)

Correct Answer
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True

Which of these aqueous solutions has the highest pH

Correct Answer
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When liquid phosphorus trichloride reacts with water, the products are

Correct Answer
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Which of these substances is being considered as a replacement fuel for gasoline

Correct Answer
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B

In which of the following compounds is sulfur in a positive oxidation state

Correct Answer
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What element is the most abundant by mass in Earth's crust

Correct Answer
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Of the three oxides SiO₂, MgO, and P₄O₁₀, the most acidic oxide is P₄O₁₀.

Correct Answer
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The presence of ozone in the upper atmosphere is important because

Correct Answer
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Select acidic oxide from the choices given.

Correct Answer
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Determine all of the ionic hydrides from the compounds listed below. I. CaH₂ II. H₂S III. SiH₄

Correct Answer
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Ozone (O₃) and oxygen gas (O₂) are examples of

Correct Answer
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List the following acids in order of increasing acid strength: HOCl, HClO₃, HClO₄.

Correct Answer
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Which one of these elements is not a gas at room temperature

Correct Answer
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Correct Answer
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Write the chemical formula of the superoxide ion.

Correct Answer
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Which of these aqueous solutions has the lowest pH

Correct Answer
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Choose the true statement concerning the relative acid strengths of H₂SO₄ and H₂SO_3.

Correct Answer
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A

Which of the following choices is/are ionic oxides I. SrO II. SiO₂ III. SO₂

Correct Answer
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Exam 22: Nonmetallic Elements and Their Compounds

Which one of these elements is a liquid at room temperature

Correct AnswerverifiedShow Answer

Select basic oxide from the choices given.

Correct AnswerverifiedShow Answer

The following accurately depicts the balanced chemical equation for a laboratory preparation of nitrogen gas.NH4NO2(s) →\rarr→ 2H2O(g) + N2(g)

Correct AnswerverifiedTrue

Which of these aqueous solutions has the highest pH

Correct AnswerverifiedShow Answer

When liquid phosphorus trichloride reacts with water, the products are

Correct AnswerverifiedShow Answer

Which of these substances is being considered as a replacement fuel for gasoline

Correct AnswerverifiedB

In which of the following compounds is sulfur in a positive oxidation state

Correct AnswerverifiedShow Answer

What element is the most abundant by mass in Earth's crust

Correct AnswerverifiedShow Answer

Of the three oxides SiO2, MgO, and P4O10, the most acidic oxide is P4O10.

Correct AnswerverifiedShow Answer

The presence of ozone in the upper atmosphere is important because

Correct AnswerverifiedShow Answer

Select acidic oxide from the choices given.

Correct AnswerverifiedShow Answer

Determine all of the ionic hydrides from the compounds listed below. I. CaH2 II. H2S III. SiH4

Correct AnswerverifiedShow Answer

Ozone (O3) and oxygen gas (O2) are examples of

Correct AnswerverifiedShow Answer

List the following acids in order of increasing acid strength: HOCl, HClO3, HClO4.

Correct AnswerverifiedShow Answer

Which one of these elements is not a gas at room temperature

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Write the chemical formula of the superoxide ion.

Correct AnswerverifiedShow Answer

Which of these aqueous solutions has the lowest pH

Correct AnswerverifiedShow Answer

Choose the true statement concerning the relative acid strengths of H2SO4 and H2SO3.

Correct AnswerverifiedA

Which of the following choices is/are ionic oxides I. SrO II. SiO2 III. SO2

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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The following accurately depicts the balanced chemical equation for a laboratory preparation of nitrogen gas.NH₄NO₂(s) $\rarr$ 2H₂O(g) + N₂(g)

Correct Answer
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True

Correct Answer
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Correct Answer
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Correct Answer
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B

Correct Answer
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Correct Answer
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Of the three oxides SiO₂, MgO, and P₄O₁₀, the most acidic oxide is P₄O₁₀.

Correct Answer
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Correct Answer
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Correct Answer
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Determine all of the ionic hydrides from the compounds listed below. I. CaH₂ II. H₂S III. SiH₄

Correct Answer
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Ozone (O₃) and oxygen gas (O₂) are examples of

Correct Answer
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List the following acids in order of increasing acid strength: HOCl, HClO₃, HClO₄.

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Choose the true statement concerning the relative acid strengths of H₂SO₄ and H₂SO_3.

Correct Answer
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A

Which of the following choices is/are ionic oxides I. SrO II. SiO₂ III. SO₂

Correct Answer
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