MULTIPLE CHOICE QUESTIONS
Topic: Molecular geometry, polarity
Section: 2.3
Difficulty Level: Easy
1. Which molecule does not have a dipole
... [Show More] moment?
A)
B)
C)
D)
E) None of these
Ans: D
Topic: Molecular geometry, polarity
Section: 2.3
Difficulty Level: Easy
2. Of the following solvents which one does not have a zero dipole moment?
A) Pentane
B) Cyclohexane
C) Diethyl ether
D) Cyclopentane
E) None of these
Ans: C
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Topic: Molecular geometry, polarity
Section: 2.3
Difficulty Level: Easy
3. Which molecule has a zero dipole moment?
A) CH3Cl
B) CH2Cl2
C) CHCl3
D) CCl4
E) None of these
Ans: D
Topic: Molecular geometry, dipole moment
Section: 2.3
Difficulty Level: Easy
4. Which molecule would you expect to have no dipole moment (i.e., = 0 D)?
A) CHF3
B)
C) :NF3
D)
E) CH2F2
Ans: B
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Topic: Molecular geometry, dipole moment
Section: 2.3
Difficulty Level: Easy
5. Which molecule has a dipole moment greater than zero?
A)
B)
C)
D) More than one of these
E) None of these
Ans: D
Topic: Molecular geometry, dipole moment
Section: 2.3
Difficulty Level: Medium
6. Which of the following would have no net dipole moment
( = 0 D)?
A) CBr4
B) cis-1,2-Dibromoethene
C) trans:-1,2-Dibromoethene
D) 1,1-Dibromoethene
E) More than one of these
Ans: E
Topic: Molecular geometry, polarity
Section: 2.3
Difficulty Level: Medium
7. For a molecule to possess a dipole moment, which following condition is necessary but
not sufficient?
A) Three or more atoms in the molecule
B) Presence of one or more polar bonds
C) A non-linear structure
D) Presence of oxygen or fluorine
E) Absence of a carbon-carbon double or triple bond
Ans: B
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Topic: Molecular geometry, polarity
Section: 1.5 and 2.3
Difficulty Level: Easy
8. Which molecule has a zero dipole moment?
A) SO2
B) CO2
C) CO
D) CHCl3
E) None of these
Ans: B
Topic: Molecular geometry, polarity
Section: 1.5 and 2.3
Difficulty Level: Easy
9. Which molecule has a zero dipole moment?
A) CO2
B) CH4
C) CH3CH3
D)
E) All of these
Ans: E
Topic: Molecular geometry, polarity
Section: 1.5 and 2.3
Difficulty Level: Medium
10. Which molecule has a dipole moment of zero?
A) CHCl3
B) CH2Cl2
C) ClHC=CH2
D) trans-ClHC=CHCl
E) None of these
Ans: D [Show Less]