Question 1

Which atomic orbitals overlap to form the carbon-carbon s and p bonding molecular orbitals of ethylene, H2C=CH2?

Accepted Answer

A)   Csp3 + Csp3, and C2p + C2p
B)   Csp3 + Csp3, and Csp2 + Csp2
C)   Csp2 + Csp2, and C2p + C2p
D)   Csp2 + Csp2, and Csp2 + Csp2E) A) and D)
F) A) and C)

Question 2

Which of the following pair does not represent resonance structures?

Accepted Answer

A)   IV
B)   II
C)   III
D)   IE) A) and B)
F) A) and C) C

Question 3

Avobenzone is an active ingredient in some common sunscreens. Which of the following is the correct molecular formula for avobenzone? 20H24O3 B)  C20H22O3 C)  C21H23O3 D)  C22O24O3" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   C20H24O3
B)   C20H22O3
C)   C21H23O3
D)   C22O24O3E) A) and B)
F) A) and C)

Question 4

Determine the geometry around the indicated atom in each species.

Accepted Answer

A)   I = Trigonal planar; II = linear; III = tetrahedral; IV = trigonal planar
B)   I = Tetrahedral; II = trigonal planar; III = linear; IV = tetrahedral
C)   I = Linear; II = tetrahedral; III = trigonal planar; IV = tetrahedral
D)   I = Linear; II = tetrahedral; III = trigonal planar; IV = linearE) All of the above
F) C) and D)

Question 5

What is the ground-state electronic configuration of a chlorine anion (Cl-) ?

Accepted Answer

A)   1s2, 2s2, 2p6
B)   1s2, 2s2, 2p6, 3s2, 3p5
C)   1s2, 2s2, 2p6, 3s2, 3p4
D)   1s2, 2s2, 2p6, 3s2, 3p6E) None of the above
F) A) and B) D

Question 6

Which of the following molecules does not have a net dipole moment of zero?

Accepted Answer

A)   BF3
B)   CO2
C)   NH3
D)   CCl4E) None of the above
F) B) and C)

Question 7

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

Accepted Answer

A)   Resonance structures differ only in the arrangement of electrons.
B)   There is no movement of electrons from one form to another.
C)   Resonance structures are not isomers.
D)   Resonance structures are in equilibrium with each other.E) All of the above
F) A) and B) D

Question 8

Which of the following statements about resonance structures is true?

Accepted Answer

A)   Resonance structures have the same placement of atoms but different arrangement of electrons.
B)   Resonance structures have the same placement of electrons but different arrangement of atoms.
C)   Resonance structures have different placement of atoms and different arrangement of electrons.
D)   Resonance structures have the same placement of atoms and the same arrangement of electrons.E) A) and D)
F) A) and B)

Question 9

Which of the following compounds has an atom with more than eight valence electrons?

Accepted Answer

A)   H2CO3
B)   H2SO4
C)   HBr
D)   H2OE) All of the above
F) A) and B)

Question 10

Which is the correct Lewis structure for acetic acid (CH3CO2H) ?

Accepted Answer

A)   III
B)   I
C)   IV
D)   IIE) A) and D)
F) B) and C)

Question 11

What is the hybridization for each of the indicated atoms in the following compound?

Accepted Answer

A)   I = sp; II = sp2; III = sp3.
B)   I = sp2; II = sp2; III = sp3.
C)   I = sp2; II = sp3; III = sp3.
D)   I = sp2; II = sp2; III = sp2.E) All of the above
F) A) and D)

Question 12

Which is not an acceptable Lewis structure for the anion CH2NCO-?

Accepted Answer

A)   II
B)   III
C)   I
D)   IVE) B) and D)
F) None of the above

Question 13

Which of the following statements correctly describes the typical number of bonds for carbon, nitrogen, and oxygen in most neutral organic molecules?

Accepted Answer

A)   Carbon forms 4 covalent bonds, nitrogen forms 3 covalent bonds, and oxygen forms 2 covalent bonds.
B)   Carbon forms 4 covalent bonds, nitrogen forms 5 covalent bonds, and oxygen forms 4 covalent bonds.
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 2 covalent bonds, and oxygen forms 3 covalent bonds.E) C) and D)
F) A) and B)

Exam 1: Acids, Bases, Structure and Bonding

Which atomic orbitals overlap to form the carbon-carbon s and p bonding molecular orbitals of ethylene, H2C=CH2?

Correct Answer
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Which of the following pair does not represent resonance structures?

Correct Answer
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C

Avobenzone is an active ingredient in some common sunscreens. Which of the following is the correct molecular formula for avobenzone?

Correct Answer
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Determine the geometry around the indicated atom in each species.

Correct Answer
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What is the ground-state electronic configuration of a chlorine anion (Cl^-) ?

Correct Answer
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D

Which of the following molecules does not have a net dipole moment of zero?

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

Correct Answer
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D

Which of the following statements about resonance structures is true?

Correct Answer
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Which of the following compounds has an atom with more than eight valence electrons?

Correct Answer
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Which is the correct Lewis structure for acetic acid (CH3CO2H) ?

Correct Answer
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What is the hybridization for each of the indicated atoms in the following compound?

Correct Answer
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Which is not an acceptable Lewis structure for the anion CH2NCO-?

Correct Answer
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Which of the following statements correctly describes the typical number of bonds for carbon, nitrogen, and oxygen in most neutral organic molecules?

Correct Answer
verified

Exam 1: Acids, Bases, Structure and Bonding

Which atomic orbitals overlap to form the carbon-carbon s and p bonding molecular orbitals of ethylene, H2C=CH2?

Correct AnswerverifiedShow Answer

Which of the following pair does not represent resonance structures?

Correct AnswerverifiedC

Avobenzone is an active ingredient in some common sunscreens. Which of the following is the correct molecular formula for avobenzone?

Correct AnswerverifiedShow Answer

Determine the geometry around the indicated atom in each species.

Correct AnswerverifiedShow Answer

What is the ground-state electronic configuration of a chlorine anion (Cl-) ?

Correct AnswerverifiedD

Which of the following molecules does not have a net dipole moment of zero?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedD

Which of the following statements about resonance structures is true?

Correct AnswerverifiedShow Answer

Which of the following compounds has an atom with more than eight valence electrons?

Correct AnswerverifiedShow Answer

Which is the correct Lewis structure for acetic acid (CH3CO2H) ?

Correct AnswerverifiedShow Answer

What is the hybridization for each of the indicated atoms in the following compound?

Correct AnswerverifiedShow Answer

Which is not an acceptable Lewis structure for the anion CH2NCO-?

Correct AnswerverifiedShow Answer

Which of the following statements correctly describes the typical number of bonds for carbon, nitrogen, and oxygen in most neutral organic molecules?

Correct AnswerverifiedShow Answer

Correct Answer
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C

Correct Answer
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Correct Answer
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What is the ground-state electronic configuration of a chlorine anion (Cl^-) ?

Correct Answer
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D

Correct Answer
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Correct Answer
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D

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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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