Test Bank for Organic Chemistry, 9th Edition by Paula Yurkanis Bruice
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Organic Chemistry
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Organic Chemistry
Test Bank for Organic Chemistry,9e 9th Edition by Paula Yurkanis Bruice. Complete Chapters (Chap 1 to 28) test bank are included with answers.
PART 1: AN INTRODUCTION TO THE STUDY OF ORGANIC CHEMISTRY
1. Remembering General Chemistry: Electronic Structure and Bonding
2. Acids and Bases: Centra...
SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.
1) Atoms with the same number of protons but different numbers of neutrons are called 1)
________.
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
2) What element is represented by the following electronic configuration? 2)
1s22s22p5
A) N B) Al C) O D) C E) F
3) How many unpaired electrons are present in the electronic configuration of carbon (atomic 3)
number = 6)?
A) none B) one C) two D) three E) four
4) The atomic number of boron is 5. The electronic configuration of boron is 4)
A) 2s22p3.
B) 1s22s3.
C) 1s22s22p1.
D) 1s22s23s1.
E) 1s22p3.
5) Which of the following statements describes the third shell that surrounds the nucleus of an 5)
atom?
A) The total number of atomic orbitals present in the third shell is 16.
B) The maximum number of electrons that can occupy the third shell is 18.
C) The third shell contains only s and p atomic orbitals.
D) All third shell elements must have d electrons.
E) The third shell can contain f orbitals.
6) What is the electronic configuration of N3-? 6)
A) 1s22s22p3
B) 1s22s22p4
C) 1s22s22p63s1
D) 1s22s22p6
E) 1s22s2
SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.
7) What is the electronic configuration of Ca2+? 7)
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
8) Which of the following atoms is the least electronegative? 8)
A) B B) Na C) I D) P E) O
1
, 9) The compound CH3NH2 contains a C-N bond. Which of the following describes the charge on 9)
the nitrogen in this compound?
A) -1
B) slightly positive
C) slightly negative
D) uncharged
E) +1
10) Which of the following compounds have atoms that are held together by electrostatic attraction? 10)
A) KCl
B) CF 4
C) NH3
D) both A and B
E) both B and C
11) What type of bonding is found in CH3CH2CH2CH2CH2CH3? 11)
A) ionic B) covalent C) hydrogen D) polar
12) Which of the following contain polar covalent bonds? 12)
A) NH3
B) KF
C) H2
D) Na2O
E) both A and C
13) Which of the following covalent bonds has the largest dipole moment? 13)
A) C-C B) H-N C) C-O D) C-H E) H-F
SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.
14) Using the symbol δ+ and δ-, show the direction of the polarity in the O-H bond. 14)
15) What atomic property determines the polarity of a chemical bond? 15)
16) What two factors determine the size of a bond's dipole moment? 16)
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
17) How many nonbonding pairs of electrons are in H2NOH? 17)
A) 0 B) 1 C) 2 D) 3 E) 4
2
, 18) The formal charge on nitrogen in the following compound is 18)
A) +1 B) +3 C) +2 D) 0
19) Which of the following is the most likely Lewis structure for C2H2? 19)
A)
B) H-CC-H
C)
D)
E)
20) Which of the following Lewis structures is correct for CH2N2? 20)
A) : CH2—N=N :
B)
C)
D)
E)
3
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