Question 1

Identify the molecular structure of the nitrate ion,  , and the hybridization of the N atomic orbitals.

Accepted Answer

The answer of Identify the molecular structure of the nitrate...

Question 2

What is the valence electron molecular orbital electron configuration of C2?

Accepted Answer

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D)   2? 
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E)   2? 
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E)    " class="answers-bank-image d-inline" rel="preload" >F) B) and E)
G) All of the above

Question 3

According to the molecular orbital energy level diagram below, which one of the following statements is not correct about NO, NO+, and +, and   ?   A)  The bond order in NO is 2.5. B)  NO+ has the shortest bond. C)  Only one of these species is paramagnetic. D)  The bond order in   is 2.0. E)    has the weakest bond." class="answers-bank-image d-inline" rel="preload" > ? +, and   ?   A)  The bond order in NO is 2.5. B)  NO+ has the shortest bond. C)  Only one of these species is paramagnetic. D)  The bond order in   is 2.0. E)    has the weakest bond." class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   The bond order in NO is 2.5.
B)   NO+ has the shortest bond.
C)   Only one of these species is paramagnetic.
D)   The bond order in +, and   ?   
A)   The bond order in NO is 2.5. 
B)   NO+ has the shortest bond. 
C)   Only one of these species is paramagnetic. 
D)   The bond order in   is 2.0. 
E)     has the weakest bond." class="answers-bank-image d-inline" rel="preload" > is 2.0.
E)   +, and   ?   
A)   The bond order in NO is 2.5. 
B)   NO+ has the shortest bond. 
C)   Only one of these species is paramagnetic. 
D)   The bond order in   is 2.0. 
E)     has the weakest bond." class="answers-bank-image d-inline" rel="preload" > has the weakest bond.F) A) and C)
G) B) and D)

Question 4

Which of the following molecules is linear?

Accepted Answer

A)   H2O
B)   H2S
C)   ICl3
D)   I3-
E)   SO2F) A) and B)
G) A) and D)

Question 5

Which of the following molecules has a carbon atom that is sp3 hybridized?

Accepted Answer

A)   C2H2
B)   H2CO
C)   CH3Cl
D)   C2H4
E)   C2H2Cl2F) C) and D)
G) B) and D)

Question 6

Predict the bond order of the NO- molecular ion.

Accepted Answer

A)   2
B)   2.5
C)   3
D)   1
E)   1.5F) B) and E)
G) None of the above A

Question 7

What hybridization is needed to describe the square planar molecular geometry of KrF4?

Accepted Answer

A)   sp3
B)   sp3d
C)   sp3d2
D)   sp2
E)   spF) C) and D)
G) A) and D)

Question 8

Which of the following compounds has a trigonal bipyramidal shape?

Accepted Answer

A)   ICl3
B)   BrF5
C)   PCl5
D)   PH3
E)   SiF4F) B) and E)
G) All of the above

Question 9

For which one of the following molecules (BF3, CF4, NF3, OF2, XeF4) is the electron geometry tetrahedral and the molecular geometry triangular pyramidal? Draw its Lewis structure with the correct bond angles.

Accepted Answer

<img  loading="lazy" src="/assets/images/blured-textbook.svg" class="d-inline m-1" alt="blured image" width="139" height="30"> In the diagram each...

Question 10

Which of the following molecules is paramagnetic?

Accepted Answer

A)   F2
B)   O2
C)   C2
D)   Be2
E)   "C2"F) A) and B)
G) B) and C)

Question 11

Which of the following has a local molecular geometry about a carbon atom that is trigonal planar?

Accepted Answer

A)   CH3CH2OH
B)   CH3OH
C)   C2H4
D)   CH3OCH3
E)   C2H2F) B) and C)
G) A) and B)

Question 12

Which of the following molecules has a trigonal pyramid shape?

Accepted Answer

A)   KrF4
B)   COCl2
C)   SeO32-
D)   NH4+
E)   O3F) C) and D)
G) B) and D)

Question 13

What is the hybridization of the oxygen in the H3O+ ion?

Accepted Answer

A)   sp2
B)   sp3
C)   sp3d
D)   sp
E)   sp3d2F) B) and E)
G) D) and E)

Question 14

Boron nitride, BN, is a new high tech material. According to the molecular orbital energy level diagram below, which one of the following statements is not correct about boron nitride? + has a longer bond than BN. C)  BN is paramagnetic. D)  The bond order in the cation BN+ is 1.5. E)  The anion BN- has a weaker bond than BN." class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   The bond order in BN is 2.0.
B)   The cation BN+ has a longer bond than BN.
C)   BN is paramagnetic.
D)   The bond order in the cation BN+ is 1.5.
E)   The anion BN- has a weaker bond than BN.F) B) and D)
G) B) and C)

Question 15

Predict the following three bond angles and give your rationale: N - C - C, O - C  O, and C - O - H. These bonding patterns appear in amino acids.

Accepted Answer

N - C - C: 109^°steric number of central C is 4 O - C O, 120^° steric number of C is 3 C - O - H: near but less than 109^°steric number of O is 4 but repulsion by lone pairs decreases angle

Question 16

Ethanol has the formula CH3CH2OH. The central carbon atom has a _____ local molecular geometry and _____ hybridization.

Accepted Answer

A)   trigonal planar; sp
B)   tetrahedral; sp3
C)   tetrahedral; sp2
D)   seesaw; sp2
E)   seesaw, sp3F) None of the above
G) D) and E)

Question 17

Of the following molecules (O3, SCl2, SO2, CS2, and CO2) which ones do you predict to have a bond angle of 180°?

Accepted Answer

Question 18

Which of the following molecules or ions is not polar?

Accepted Answer

A)   O3
B)   H2O
C)   SO2
D)   I3-
E)   S3F) A) and B)
G) D) and E)

Question 19

Use the 1s orbital of hydrogen to form atomic orbitals for H2 and draw the molecular orbital energy level diagram. Label the energy levels with the MO symbols. Which of the following species of hydrogen would you predict to be stable based on your energy level diagram? Explain.
H22+, H2+, H2, H2-, H22-

Accepted Answer

*____________...

Question 20

Predict the bond order of the NO+ molecular ion.

Accepted Answer

A)   2
B)   2.5
C)   3
D)   1
E)   1.5F) A) and E)
G) D) and E) C

Exam 9: Molecular Geometry and Bonding Theories

Identify the molecular structure of the nitrate ion, , and the hybridization of the N atomic orbitals.

Correct Answer
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What is the valence electron molecular orbital electron configuration of C₂?

Correct Answer
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According to the molecular orbital energy level diagram below, which one of the following statements is not correct about NO, NO⁺, and ?

Correct Answer
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Which of the following molecules is linear?

Correct Answer
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Which of the following molecules has a carbon atom that is sp³ hybridized?

Correct Answer
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Predict the bond order of the NO^- molecular ion.

Correct Answer
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A

What hybridization is needed to describe the square planar molecular geometry of KrF₄?

Correct Answer
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Which of the following compounds has a trigonal bipyramidal shape?

Correct Answer
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For which one of the following molecules (BF₃, CF₄, NF₃, OF₂, XeF₄) is the electron geometry tetrahedral and the molecular geometry triangular pyramidal? Draw its Lewis structure with the correct bond angles.

Correct Answer
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In the diagram each...
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Which of the following molecules is paramagnetic?

Correct Answer
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Which of the following has a local molecular geometry about a carbon atom that is trigonal planar?

Correct Answer
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Which of the following molecules has a trigonal pyramid shape?

Correct Answer
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What is the hybridization of the oxygen in the H₃O⁺ ion?

Correct Answer
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Boron nitride, BN, is a new high tech material. According to the molecular orbital energy level diagram below, which one of the following statements is not correct about boron nitride?

Correct Answer
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Predict the following three bond angles and give your rationale: N - C - C, O - C O, and C - O - H. These bonding patterns appear in amino acids.

Correct Answer
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N - C - C: 109^°steric number of central C is 4 O - C 11eaae02_08c0_ec3c_95d8_d59ad3716450_TB3833_11 O, 120^° steric number of C is 3 C - O - H: near but less than 109^°steric number of O is 4 but repulsion by lone pairs decreases angle

Ethanol has the formula CH₃CH₂OH. The central carbon atom has a _ local molecular geometry and _ hybridization.

Correct Answer
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Of the following molecules (O₃, SCl₂, SO₂, CS₂, and CO₂) which ones do you predict to have a bond angle of 180°?

Correct Answer
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Which of the following molecules or ions is not polar?

Correct Answer
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Correct Answer
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*____________...
View Answer

Predict the bond order of the NO⁺ molecular ion.

Correct Answer
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C

Exam 9: Molecular Geometry and Bonding Theories

Identify the molecular structure of the nitrate ion, , and the hybridization of the N atomic orbitals.

Correct AnswerverifiedShow Answer

What is the valence electron molecular orbital electron configuration of C2?

Correct AnswerverifiedShow Answer

According to the molecular orbital energy level diagram below, which one of the following statements is not correct about NO, NO+, and ?

Correct AnswerverifiedShow Answer

Which of the following molecules is linear?

Correct AnswerverifiedShow Answer

Which of the following molecules has a carbon atom that is sp3 hybridized?

Correct AnswerverifiedShow Answer

Predict the bond order of the NO- molecular ion.

Correct AnswerverifiedA

What hybridization is needed to describe the square planar molecular geometry of KrF4?

Correct AnswerverifiedShow Answer

Which of the following compounds has a trigonal bipyramidal shape?

Correct AnswerverifiedShow Answer

For which one of the following molecules (BF3, CF4, NF3, OF2, XeF4) is the electron geometry tetrahedral and the molecular geometry triangular pyramidal? Draw its Lewis structure with the correct bond angles.

Correct Answerverified In the diagram each...View AnswerShow Answer

Which of the following molecules is paramagnetic?

Correct AnswerverifiedShow Answer

Which of the following has a local molecular geometry about a carbon atom that is trigonal planar?

Correct AnswerverifiedShow Answer

Which of the following molecules has a trigonal pyramid shape?

Correct AnswerverifiedShow Answer

What is the hybridization of the oxygen in the H3O+ ion?

Correct AnswerverifiedShow Answer

Boron nitride, BN, is a new high tech material. According to the molecular orbital energy level diagram below, which one of the following statements is not correct about boron nitride?

Correct AnswerverifiedShow Answer

Predict the following three bond angles and give your rationale: N - C - C, O - C O, and C - O - H. These bonding patterns appear in amino acids.

Correct AnswerverifiedN - C - C: 109° steric number of central C is 4 O - C 11eaae02_08c0_ec3c_95d8_d59ad3716450_TB3833_11 O, 120° steric number of C is 3 C - O - H: near but less than 109° steric number of O is 4 but repulsion by lone pairs decreases angle

Ethanol has the formula CH3CH2OH. The central carbon atom has a _____ local molecular geometry and _____ hybridization.

Correct AnswerverifiedShow Answer

Of the following molecules (O3, SCl2, SO2, CS2, and CO2) which ones do you predict to have a bond angle of 180°?

Correct AnswerverifiedShow Answer

Which of the following molecules or ions is not polar?

Correct AnswerverifiedShow Answer

Correct Answerverified*____________...View AnswerShow Answer

Predict the bond order of the NO+ molecular ion.

Correct AnswerverifiedC

Correct Answer
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What is the valence electron molecular orbital electron configuration of C₂?

Correct Answer
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According to the molecular orbital energy level diagram below, which one of the following statements is not correct about NO, NO⁺, and ?

Correct Answer
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Correct Answer
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Which of the following molecules has a carbon atom that is sp³ hybridized?

Correct Answer
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Predict the bond order of the NO^- molecular ion.

Correct Answer
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A

What hybridization is needed to describe the square planar molecular geometry of KrF₄?

Correct Answer
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Correct Answer
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For which one of the following molecules (BF₃, CF₄, NF₃, OF₂, XeF₄) is the electron geometry tetrahedral and the molecular geometry triangular pyramidal? Draw its Lewis structure with the correct bond angles.

Correct Answer
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In the diagram each...
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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 hybridization of the oxygen in the H₃O⁺ ion?

Correct Answer
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Correct Answer
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Correct Answer
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N - C - C: 109^°steric number of central C is 4 O - C 11eaae02_08c0_ec3c_95d8_d59ad3716450_TB3833_11 O, 120^° steric number of C is 3 C - O - H: near but less than 109^°steric number of O is 4 but repulsion by lone pairs decreases angle

Ethanol has the formula CH₃CH₂OH. The central carbon atom has a _ local molecular geometry and _ hybridization.

Correct Answer
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Of the following molecules (O₃, SCl₂, SO₂, CS₂, and CO₂) which ones do you predict to have a bond angle of 180°?

Correct Answer
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Correct Answer
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Correct Answer
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*____________...
View Answer

Predict the bond order of the NO⁺ molecular ion.

Correct Answer
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C