Question 1

The acidity of oxides of main group elements increases down a group, from top to bottom.

Accepted Answer

A) True 
 B)False

Question 2

What is the formal charge on the bromine atom in BrO3-?

Accepted Answer

A)   +2
B)   -2
C)   0
D)   -1
E)   +1F) B) and D)
G) B) and E)

Question 3

Ozone is both a pollutant and a natural component of the atmosphere.

Accepted Answer

A) True 
 B)False

Question 4

Nitrous oxide, N2O, is

Accepted Answer

A)   a brown poisonous gas that is one of the chemicals involved in the production of photochemical smog.
B)   a colorless gas used in the production of nitric acid.
C)   a gas that supports combustion.
D)   an allotrope of nitrogen.
E)   a paramagnetic gas.F) All of the above
G) A) and B)

Question 5

Which of the following is a commercial application of phosphate compounds?

Accepted Answer

A)   Detergents
B)   Toothpaste
C)   Fertilizers
D)   Flame retardants
E)   All of the answers are correct.F) None of the above
G) A) and B)

Question 6

How many covalent bonds will a nitrogen atom usually form?

Accepted Answer

A)   8
B)   2
C)   5
D)   3
E)   1F) A) and C)
G) B) and D)

Question 7

Which of the following is not an isotope of hydrogen?

Accepted Answer

A)   Deuterium
B)   Tritium
C)   Hydronium
D)   All of these are isotopes of hydrogen.E) A) and C)
F) B) and C)

Question 8

Which of these atoms is the most electronegative?

Accepted Answer

A)   Si
B)   Cl
C)   P
D)   F
E)   CF) D) and E)
G) All of the above

Question 9

________ ________ are formed when molecular hydrogen combines directly with an alkali metal.

Accepted Answer

The answer of ________ ________ are formed when molecular hydrogen...

Question 10

What is the general electron configuration for atoms of the halogen group?

Accepted Answer

A)   ns2np6
B)   ns1
C)   ns2np7
D)   ns2(n -1) d7
E)   ns2np5F) B) and C)
G) A) and E)

Question 11

Which of these has a nonpolar covalent bond (i.e., pure covalent) ?

Accepted Answer

A)   Se-I
B)   Na-Br
C)   H-F
D)   Cl-Cl
E)   H-ClF) B) and E)
G) A) and B)

Question 12

What is the total number of lone pairs in NCl3?

Accepted Answer

A)   8
B)   13
C)   6
D)   10
E)   9F) A) and E)
G) B) and D)

Question 13

Explain how foods get a rancid taste.

Accepted Answer

Polyunsaturated molecules, whi...

Question 14

The Haber process is the first step in the manufacture of sulfuric acid.

Accepted Answer

A) True 
 B)False

Question 15

________ is the charge (or oxidation number) of the hydrogen in an ionic hydride.

Accepted Answer

The answer of ________ is the charge (or oxidation number)...

Question 16

What name is given to a compound containing hydrogen and a metal or hydrogen and a nonmetal?

Accepted Answer

The answer of What name is given to a compound...

Question 17

Which of these choices is the electron configuration of a sulfide ion?

Accepted Answer

A)   [Ne]
B)   [Ne]3s23p2
C)   [Ar]
D)   [Ne]3s23p1
E)   [Ne]3s23p4F) None of the above
G) C) and D)

Question 18

What type of bond is the C - Cl bond in CCl4?

Accepted Answer

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

Question 19

What is the formal charge on the central nitrogen atom in N2O?

Accepted Answer

A)   -1
B)   +2
C)   0
D)   -2
E)   +1F) A) and B)
G) D) and E)

Question 20

One important feature of the chemistry of carbon is

Accepted Answer

A)   its large radius that allows other atoms to fit easily around it.
B)   its low electronegativity that allows it to ionize easily.
C)   its amphoteric behavior.
D)   its ability to form multiple bonds with hydrogen.
E)   its ability to catenate.F) A) and B)
G) A) and C)

Exam 25: Organic Chemistry

________ is the charge (or oxidation number) of the hydrogen in an ionic hydride.

Correct AnswerverifiedShow Answer

The Haber process is the first step in the manufacture of sulfuric acid.

Correct AnswerverifiedShow Answer

________ ________ are formed when molecular hydrogen combines directly with an alkali metal.

Correct AnswerverifiedShow Answer

Which of the following is a commercial application of phosphate compounds?

Correct AnswerverifiedShow Answer

What is the formal charge on the central nitrogen atom in N2O?

Correct AnswerverifiedShow Answer

One important feature of the chemistry of carbon is

Correct AnswerverifiedShow Answer

Which of these choices is the electron configuration of a sulfide ion?

Correct AnswerverifiedShow Answer

Explain how foods get a rancid taste.

Correct AnswerverifiedPolyunsaturated molecules, whi...View AnswerShow Answer

Which of these has a nonpolar covalent bond (i.e., pure covalent) ?

Correct AnswerverifiedShow Answer

Nitrous oxide, N2O, is

Correct AnswerverifiedShow Answer

Which of these atoms is the most electronegative?

Correct AnswerverifiedShow Answer

The acidity of oxides of main group elements increases down a group, from top to bottom.

Correct AnswerverifiedShow Answer

Which of the following is not an isotope of hydrogen?

Correct AnswerverifiedShow Answer

What is the formal charge on the bromine atom in BrO3-?

Correct AnswerverifiedShow Answer

How many covalent bonds will a nitrogen atom usually form?

Correct AnswerverifiedShow Answer

What is the total number of lone pairs in NCl3?

Correct AnswerverifiedShow Answer

What is the general electron configuration for atoms of the halogen group?

Correct AnswerverifiedShow Answer

What type of bond is the C - Cl bond in CCl4?

Correct AnswerverifiedShow Answer

What name is given to a compound containing hydrogen and a metal or hydrogen and a nonmetal?

Correct AnswerverifiedShow Answer

Ozone is both a pollutant and a natural component of the atmosphere.

Correct AnswerverifiedShow Answer

Correct Answer
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are formed when molecular hydrogen combines directly with an alkali metal.

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What is the formal charge on the central nitrogen atom in N₂O?

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Polyunsaturated molecules, whi...
View Answer

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Nitrous oxide, N₂O, is

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What is the formal charge on the bromine atom in BrO₃^-?

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What is the total number of lone pairs in NCl₃?

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What type of bond is the C - Cl bond in CCl₄?

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