Question 1

Carbon dioxide is used in all of the following ways except

Accepted Answer

A)   to provide the "bite" in soft drinks.
B)   in fire extinguishers.
C)   as a refrigerant.
D)   in the Frasch process.
E)   in the manufacture of soda ash.F) A) and B)
G) None of the above

Question 2

Which of these choices is the electron configuration for the chloride ion?

Accepted Answer

A)   [Ne]3s23p5
B)   [Ne]3s23p7
C)   [Ne]3s23p4
D)   [Ar]4s1
E)   [Ar]F) None of the above
G) B) and E)

Question 3

Which of these elements is a liquid at room temperature?

Accepted Answer

A)   Hydrogen
B)   Nitrogen
C)   Bromine
D)   Sulfur
E)   PhosphorusF) C) and D)
G) B) and C)

Question 4

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

Accepted Answer

A) True 
 B)False

Question 5

Sulfuric acid is produced when sulfur dioxide dissolves in water.

Accepted Answer

A) True 
 B)False

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) A) and B)
G) None of the above

Question 7

What group of the periodic table is the element with the electron configuration [Ar]4s23d104p2?

Accepted Answer

A)   4A
B)   3A
C)   5A
D)   2A
E)   6AF) A) and B)
G) All of the above

Question 8

Which one of these species exists as a diatomic element at room temperature?

Accepted Answer

A)   Na
B)   N
C)   B
D)   Ar
E)   PF) A) and B)
G) A) and E)

Question 9

What is the charge on the monatomic ion of nitrogen, the nitride ion?

Accepted Answer

A)   -3
B)   +2
C)   -1
D)   -2
E)   +1F) D) and E)
G) A) and E)

Question 10

Which of these elements is most likely to exhibit an expanded octet in its compounds?

Accepted Answer

A)   C
B)   O
C)   N
D)   S
E)   NaF) A) and D)
G) A) and C)

Question 11

What type of bond is the O-H bond in CH3OH?

Accepted Answer

A)   Nonpolar covalent
B)   Ionic
C)   Coordinate covalent
D)   Polar ionic
E)   Polar covalentF) A) and C)
G) A) and E)

Question 12

Nonmetals are more electropositive than metals.

Accepted Answer

A) True 
 B)False

Question 13

Below is a representation of a sample of gas with molecules having the formula XO2. Which element could NOT be represented by X? 2. Which element could NOT be represented by X?   A)  N B)  S C)  C D)  O E)  Cl" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   N
B)   S
C)   C
D)   O
E)   ClF) B) and C)
G) B) and D)

Question 14

How many resonance structures does the sulfur dioxide molecule have?

Accepted Answer

A)   0
B)   3
C)   1
D)   2
E)   4F) None of the above
G) B) and C)

Question 15

Which of these compounds is most likely to be covalent?

Accepted Answer

A)   CaO
B)   CsOH
C)   LiF
D)   Sr(NO3) 2
E)   NF3F) A) and B)
G) All of the above

Question 16

Which of these pairs consists of isoelectronic species?

Accepted Answer

A)   Zn2+ and Cu2+
B)   Cl- and S
C)   Na+ and K+
D)   Mn2+ and Ar
E)   K+ and Cl-F) C) and E)
G) B) and C)

Question 17

What has metal and nonmetal characteristics?

Accepted Answer

The answer of What has metal and nonmetal characteristics?...

Question 18

Which of the following is the strongest acid?

Accepted Answer

A)   HClO3
B)   HBrO3
C)   HIO3
D)   HIO2
E)   HClOF) C) and E)
G) All of the above

Question 19

Which of these compounds does not follow the octet rule?

Accepted Answer

A)   PF5
B)   HF
C)   NF3
D)   AsCl3
E)   CF4F) A) and E)
G) A) and C)

Question 20

Which best represents the allotrope(s)  of oxygen?

Accepted Answer

A)   
B)   
C)   
D)   
E)   F) All of the above
G) B) and C)

Exam 25: Organic Chemistry

Which of the following is the strongest acid?

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Which one of these species exists as a diatomic element at room temperature?

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Which of these compounds does not follow the octet rule?

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Which best represents the allotrope(s) of oxygen?

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Which of these elements is most likely to exhibit an expanded octet in its compounds?

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What is the charge on the monatomic ion of nitrogen, the nitride ion?

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Which of these choices is the electron configuration for the chloride ion?

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

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Sulfuric acid is produced when sulfur dioxide dissolves in water.

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Which of these compounds is most likely to be covalent?

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Nonmetals are more electropositive than metals.

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What group of the periodic table is the element with the electron configuration [Ar]4s23d104p2?

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Below is a representation of a sample of gas with molecules having the formula XO2. Which element could NOT be represented by X?

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What has metal and nonmetal characteristics?

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

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Which of these pairs consists of isoelectronic species?

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What type of bond is the O-H bond in CH3OH?

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How many resonance structures does the sulfur dioxide molecule have?

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Which of these elements is a liquid at room temperature?

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Carbon dioxide is used in all of the following ways except

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

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What group of the periodic table is the element with the electron configuration [Ar]4s²3d¹⁰4p²?

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Below is a representation of a sample of gas with molecules having the formula XO₂. Which element could NOT be represented by X?

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What type of bond is the O-H bond in CH₃OH?

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