Question 1

Which of the following is an ionic bond?

Accepted Answer

A)   Br-Br
B)   C-Cl
C)   C-S
D)   Na-OE) A) and B)
F) C) and D)

Question 2

Which of the following is a tertiary alcohol?

Accepted Answer

A)   CH3CH2OCH3
B)   (CH3) 3COH
C)   (CH3) 2CHOH
D)   CH3CH2CH2OHE) C) and D)
F) None of the above

Question 3

Which of the following is a secondary (2 °\degree° )  amine?

Accepted Answer

A)   1
B)   2
C)   3
D)   4 E) All of the above
F) A) and B)

Question 4

Which of the following best represents the shape of the 2s atomic orbital of carbon?

Accepted Answer

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

Question 5

Which of the following compounds is a ketone?

Accepted Answer

A)   CH3CH2COOH
B)   CH3CH2CHO
C)   CH3CH2CH2OH
D)   CH3COCH3E) C) and D)
F) A) and D)

Question 6

What is the ground-state electronic configuration of a sodium cation (sodium: atomic number 11) ?

Accepted Answer

A)   1s22s22p63s1
B)   1s22s22p53s1
C)   1s22s22p6
D)   1s22s22p63s2E) All of the above
F) B) and C)

Question 7

Which of the following is a tertiary (3 °\degree° )  alcohol?

Accepted Answer

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

Question 8

Which of the following species possesses a formal charge?

Accepted Answer

A)   CCl4
B)   SiCl4
C)   AlCl4
D)   PCl3E) A) and B)
F) A) and C)

Question 9

Which of the following best represents an sp3 hybridized atomic orbital containing the lone pair of electrons of ammonia, NH3? 3 hybridized atomic orbital containing the lone pair of electrons of ammonia, NH3?   A)  1 B)  2 C)  3 D)  4" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

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

Question 10

Which atomic orbitals overlap to form the carbon-hydrogen s bonding molecular orbitals of ethyne, HCºCH?

Accepted Answer

A)   C2p + H1s
B)   C2sp + H1s
C)   C2sp2 + H1s
D)   C2sp3 + H1sE) A) and B)
F) B) and C)

Question 11

Which of the following is a polar covalent bond?

Accepted Answer

A)   Na-Cl
B)   C-Cl
C)   C-H
D)   Cl-ClE) A) and D)
F) All of the above

Question 12

Which of the following elements has the highest electronegativity?

Accepted Answer

A)   N
B)   C
C)   O
D)   SE) B) and C)
F) C) and D)

Question 13

What is the approximate value of the H-C-H bond angles in a methyl cation, CH3+?

Accepted Answer

A)   90 °\degree° 
B)   109 °\degree° 
C)   120 °\degree° 
D)   180 °\degree°E) None of the above
F) A) and B)

Question 14

Which of the following statements is not true regarding resonance structures?

Accepted Answer

A)   Each resonance structure is in rapid equilibrium with all of the other structures
B)   The resonance structures may have different energies
C)   All resonance structures must have the same arrangement of atoms
D)   All resonance structures must have the same number of electronsE) None of the above
F) B) and D)

Question 15

Which atomic orbitals overlap to form the C=O bond of acetone, (CH3) 2C=O?

Accepted Answer

A)   C 2sp3 + O 2sp2
B)   C 2sp2 + O 2p
C)   C 2sp2 + O 2sp2
D)   C 2sp3 + O 2spE) A) and D)
F) None of the above

Exam 1: Covalent Bonding and Shapes of Molecules

Which of the following is a tertiary (3 $\degree$ ) alcohol? $Which of the following is a tertiary (3 \degree ) alcohol? A) 1 B) 2 C) 3 D) 4$

Correct Answer
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Which of the following is an ionic bond?

Correct Answer
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Which of the following is a secondary (2 $\degree$ ) amine? $Which of the following is a secondary (2 \degree ) amine? A) 1 B) 2 C) 3 D) 4$

Correct Answer
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Which atomic orbitals overlap to form the C=O bond of acetone, (CH₃) ₂C=O?

Correct Answer
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Which of the following compounds is a ketone?

Correct Answer
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Which of the following is a tertiary alcohol?

Correct Answer
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Which of the following species possesses a formal charge?

Correct Answer
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Which of the following is a polar covalent bond?

Correct Answer
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What is the ground-state electronic configuration of a sodium cation (sodium: atomic number 11) ?

Correct Answer
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What is the approximate value of the H-C-H bond angles in a methyl cation, CH₃⁺?

Correct Answer
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Which of the following elements has the highest electronegativity?

Correct Answer
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Which of the following statements is not true regarding resonance structures?

Correct Answer
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Which atomic orbitals overlap to form the carbon-hydrogen s bonding molecular orbitals of ethyne, HCºCH?

Correct Answer
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Which of the following best represents an sp³ hybridized atomic orbital containing the lone pair of electrons of ammonia, NH₃?

Correct Answer
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Which of the following best represents the shape of the 2s atomic orbital of carbon?

Correct Answer
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Exam 1: Covalent Bonding and Shapes of Molecules

Which of the following is a tertiary (3 °\degree° ) alcohol?

Correct AnswerverifiedShow Answer

Which of the following is an ionic bond?

Correct AnswerverifiedShow Answer

Which of the following is a secondary (2 °\degree° ) amine?

Correct AnswerverifiedShow Answer

Which atomic orbitals overlap to form the C=O bond of acetone, (CH3) 2C=O?

Correct AnswerverifiedShow Answer

Which of the following compounds is a ketone?

Correct AnswerverifiedShow Answer

Which of the following is a tertiary alcohol?

Correct AnswerverifiedShow Answer

Which of the following species possesses a formal charge?

Correct AnswerverifiedShow Answer

Which of the following is a polar covalent bond?

Correct AnswerverifiedShow Answer

What is the ground-state electronic configuration of a sodium cation (sodium: atomic number 11) ?

Correct AnswerverifiedShow Answer

What is the approximate value of the H-C-H bond angles in a methyl cation, CH3+?

Correct AnswerverifiedShow Answer

Which of the following elements has the highest electronegativity?

Correct AnswerverifiedShow Answer

Which of the following statements is not true regarding resonance structures?

Correct AnswerverifiedShow Answer

Which atomic orbitals overlap to form the carbon-hydrogen s bonding molecular orbitals of ethyne, HCºCH?

Correct AnswerverifiedShow Answer

Which of the following best represents an sp3 hybridized atomic orbital containing the lone pair of electrons of ammonia, NH3?

Correct AnswerverifiedShow Answer

Which of the following best represents the shape of the 2s atomic orbital of carbon?

Correct AnswerverifiedShow Answer

Which of the following is a tertiary (3 $\degree$ ) alcohol? $Which of the following is a tertiary (3 \degree ) alcohol? A) 1 B) 2 C) 3 D) 4$

Correct Answer
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Correct Answer
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Which of the following is a secondary (2 $\degree$ ) amine? $Which of the following is a secondary (2 \degree ) amine? A) 1 B) 2 C) 3 D) 4$

Correct Answer
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Which atomic orbitals overlap to form the C=O bond of acetone, (CH₃) ₂C=O?

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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What is the approximate value of the H-C-H bond angles in a methyl cation, CH₃⁺?

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Which of the following best represents an sp³ hybridized atomic orbital containing the lone pair of electrons of ammonia, NH₃?

Correct Answer
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Correct Answer
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