Test Bank of Organic Chemistry 4th
Edition By Janice Smith
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Chapter 1: Structure and Bonding
1. What is the ground-state electronic configuration of a carbon atom?
A) 1s2, 2s2, 2p5 B) 1s2, 2s2, 2p2 C) 1s2, 2s2, 2p6 D) 1s2, 2s2, 2p4
2. What is the ground-state electronic configuration of a fluorine atom?
A) 1s2, 2s2, 2p2 B) 1s2, 2s2, 2p3 C) 1s2, 2s2, 2p4 D) 1s2, 2s2, 2p5
3. What is the ground-state electronic configuration of a magnesium cation (Mg2+)?
A) 1s2, 2s2, 2p6 C) 1s2, 2s2, 2p6, 3s2
B) 1s2, 2s2, 2p6, 3s1 D) 1s2, 2s2, 2p6, 3s2, 3p2
4. What is the ground-state electronic configuration of a chlorine anion (Cl—)?
A) 1s2, 2s2, 2p6 C) 1s2, 2s2, 2p6, 3s2, 3p5
B) 1s2, 2s2, 2p6, 3s2, 3p6 D) 1s2, 2s2, 2p6, 3s2, 3p4
5. Which of the following statements about valence electrons is true?
A) They are the most tightly held electrons.
B) They do not participate in chemical reactions.
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C) They are the outermost electrons.
D) They reveal the period number of a second-row element.
6. Which of the following statements about bonding is true?
A) Covalent bonds result from the transfer of electrons from one element to another.
B) Ionic bonds result from the transfer of electrons from a metal to a non-metal.
C) Ionic bonds result from the sharing of electrons between two non-metals.
D) Covalent bonds result from the sharing of electrons between two metals.
7. Which of the following would you expect to have ionic bonds?
A) CO B) FBr C) NF3 D) NaCl
8. Which of the following molecules has nonpolar covalent bonds?
A) HCl B) N2 C) CHCl3 D) NO
9. Which of the following molecules contain both covalent and ionic bonds?
A) I, II B) I, IV C) II, III D) II, IV
10. Arrange the following bonds in decreasing order of ionic character, putting the most
ionic first.
A) I > II > III > IV C) IV > III > II > I
B) IV > II > I > III D) IV > II > III > I
11. Which of the following statements correctly describes the typical number of bonds for
carbon, nitrogen, and oxygen in most neutral organic molecules?
A) Carbon forms 4 covalent bonds, nitrogen forms 2 covalent bonds and oxygen forms
3 covalent bonds.
B) Carbon forms 4 covalent bonds, nitrogen forms 3 covalent bonds and oxygen forms
2 covalent bonds.
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C) Carbon forms 4 covalent bonds, nitrogen forms 5 covalent bonds and oxygen forms
2 covalent bonds.
D) Carbon forms 4 covalent bonds, nitrogen forms 5 covalent bonds and oxygen forms
4 covalent bonds.
12. Which is not an acceptable Lewis structure for the anion CH2NCO—?
A) I B) II C) III D) IV
13. Which of the following Lewis structures is correct?
A) I B) II C) III D) IV
14. Which of the following Lewis structures is correct?
A) I, II B) I, III C) II, III D) III, IV
15. Which is the correct Lewis structure for acetic acid (CH3CO2H)?
A) I B) II C) III D) IV
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16. In which of the following ions does carbon have a formal charge?
A) I B) II C) III D) None of the above
17. In which of the following ions does carbon have a formal charge?
A) I B) II C) III D) None of the above
18. What is the formal charge of carbon in carbon monoxide (CO) when drawn with a triple
bond?
A) 0 B) -2 C) -1 D) +1
19. Which of the following statements about constitutional isomers is true?
A) Constitutional isomers are different molecules having different molecular formula.
B) Constitutional isomers are different molecules having same molecular formula.
C) Constitutional isomers are same molecules having different molecular formula.
D) Constitutional isomers are same molecules having the same molecular formula.
20. How many constitutional isomers are there for a molecule having the molecular formula
C2H6O?
A) 1 B) 2 C) 3 D) 4
21. How many constitutional isomers are there for a molecule having the molecular C3 H8 O?
A) 1 B) 2 C) 3 D) 4
22. How many constitutional isomers are there for a molecule having the molecular formula
C3H6?
A) 1 B) 2 C) 3 D) 4
23. How many constitutional isomers are there for a molecule having the molecular formula
C2H4Cl2?
A) 1 B) 2 C) 3 D) 4
24. How many different isomers are there for a compound having the molecular formula
C3H6O?
A) 4 B) 5 C) 6 D) 7
Page 4
Edition By Janice Smith
For Order This And Any Other Course, Assignments,
Discussions, Quizzes, Exams, Test Banks And Solutions
Manuals
Contact us At
Or Visit Our website ACEHOMEWORK.NET
Chapter 1: Structure and Bonding
1. What is the ground-state electronic configuration of a carbon atom?
A) 1s2, 2s2, 2p5 B) 1s2, 2s2, 2p2 C) 1s2, 2s2, 2p6 D) 1s2, 2s2, 2p4
2. What is the ground-state electronic configuration of a fluorine atom?
A) 1s2, 2s2, 2p2 B) 1s2, 2s2, 2p3 C) 1s2, 2s2, 2p4 D) 1s2, 2s2, 2p5
3. What is the ground-state electronic configuration of a magnesium cation (Mg2+)?
A) 1s2, 2s2, 2p6 C) 1s2, 2s2, 2p6, 3s2
B) 1s2, 2s2, 2p6, 3s1 D) 1s2, 2s2, 2p6, 3s2, 3p2
4. What is the ground-state electronic configuration of a chlorine anion (Cl—)?
A) 1s2, 2s2, 2p6 C) 1s2, 2s2, 2p6, 3s2, 3p5
B) 1s2, 2s2, 2p6, 3s2, 3p6 D) 1s2, 2s2, 2p6, 3s2, 3p4
5. Which of the following statements about valence electrons is true?
A) They are the most tightly held electrons.
B) They do not participate in chemical reactions.
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C) They are the outermost electrons.
D) They reveal the period number of a second-row element.
6. Which of the following statements about bonding is true?
A) Covalent bonds result from the transfer of electrons from one element to another.
B) Ionic bonds result from the transfer of electrons from a metal to a non-metal.
C) Ionic bonds result from the sharing of electrons between two non-metals.
D) Covalent bonds result from the sharing of electrons between two metals.
7. Which of the following would you expect to have ionic bonds?
A) CO B) FBr C) NF3 D) NaCl
8. Which of the following molecules has nonpolar covalent bonds?
A) HCl B) N2 C) CHCl3 D) NO
9. Which of the following molecules contain both covalent and ionic bonds?
A) I, II B) I, IV C) II, III D) II, IV
10. Arrange the following bonds in decreasing order of ionic character, putting the most
ionic first.
A) I > II > III > IV C) IV > III > II > I
B) IV > II > I > III D) IV > II > III > I
11. Which of the following statements correctly describes the typical number of bonds for
carbon, nitrogen, and oxygen in most neutral organic molecules?
A) Carbon forms 4 covalent bonds, nitrogen forms 2 covalent bonds and oxygen forms
3 covalent bonds.
B) Carbon forms 4 covalent bonds, nitrogen forms 3 covalent bonds and oxygen forms
2 covalent bonds.
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C) Carbon forms 4 covalent bonds, nitrogen forms 5 covalent bonds and oxygen forms
2 covalent bonds.
D) Carbon forms 4 covalent bonds, nitrogen forms 5 covalent bonds and oxygen forms
4 covalent bonds.
12. Which is not an acceptable Lewis structure for the anion CH2NCO—?
A) I B) II C) III D) IV
13. Which of the following Lewis structures is correct?
A) I B) II C) III D) IV
14. Which of the following Lewis structures is correct?
A) I, II B) I, III C) II, III D) III, IV
15. Which is the correct Lewis structure for acetic acid (CH3CO2H)?
A) I B) II C) III D) IV
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16. In which of the following ions does carbon have a formal charge?
A) I B) II C) III D) None of the above
17. In which of the following ions does carbon have a formal charge?
A) I B) II C) III D) None of the above
18. What is the formal charge of carbon in carbon monoxide (CO) when drawn with a triple
bond?
A) 0 B) -2 C) -1 D) +1
19. Which of the following statements about constitutional isomers is true?
A) Constitutional isomers are different molecules having different molecular formula.
B) Constitutional isomers are different molecules having same molecular formula.
C) Constitutional isomers are same molecules having different molecular formula.
D) Constitutional isomers are same molecules having the same molecular formula.
20. How many constitutional isomers are there for a molecule having the molecular formula
C2H6O?
A) 1 B) 2 C) 3 D) 4
21. How many constitutional isomers are there for a molecule having the molecular C3 H8 O?
A) 1 B) 2 C) 3 D) 4
22. How many constitutional isomers are there for a molecule having the molecular formula
C3H6?
A) 1 B) 2 C) 3 D) 4
23. How many constitutional isomers are there for a molecule having the molecular formula
C2H4Cl2?
A) 1 B) 2 C) 3 D) 4
24. How many different isomers are there for a compound having the molecular formula
C3H6O?
A) 4 B) 5 C) 6 D) 7
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