Question 1

SF3+, has a tetrahedral electron-pair geometry and a trigonal-pyramidal molecular geometry. The hybridization of the central sulfur atom is ________.

Accepted Answer

Question 2

Benzene, C6H6, consists of a six member ring of sp2 hybridized carbon atoms. Each carbon atom has one unhybridized p orbital. How many π2p bonding, antibonding, and nonbonding molecular orbitals exist for benzene?

Accepted Answer

A)   Three π2p molecular orbitals exist; two bonding and one antibonding.
B)   Three π2p molecular orbitals exist; one bonding, one antibonding, and one nonbonding.
C)   Six π2p molecular orbitals exist; three bonding and three antibonding.
D)   Six π2p molecular orbitals exist; two bonding, two nonbonding, and two antibonding.
E)   Twelve π2p molecular orbitals exist; six bonding and six antibonding.F) B) and C)
G) B) and E)

Question 3

The electron configuration of a particular diatomic species is: [core electrons](σ2s) 2(σ*2s) 2(σ2p) 2(π2p) 3(π*2p) 0
What is the bond order for this species?

Accepted Answer

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

Question 4

What is the molecular geometry around an atom that has 2 σ bonds, 2 π bonds, and 0 lone pair of electrons?

Accepted Answer

A)   linear
B)   trigonal planar
C)   tetrahedral
D)   bent
E)   trigonal pyramidalF) A) and B)
G) A) and C)

Question 5

In molecular orbital theory, the bond order is defined as 1/2 × (the number of electrons in ________ orbitals minus the number of electrons in antibonding orbitals).

Accepted Answer

The answer of In molecular orbital theory, the bond order...

Question 6

Which of the following hybridized atoms is impossible to form?

Accepted Answer

A)   An sp hybridized nitrogen atom
B)   An sp2 hybridized oxygen atom
C)   An sp3 hybridized boron atom
D)   An sp3 hybridized phosphorus atom
E)   An sp3 hybridized hydrogen atomF) A) and E)
G) C) and D)

Question 7

Which of the underlined atoms (C1, C2, N, and O)  are sp2 hybridized? 1, C2, N, and O)  are sp2 hybridized?   A)  N and O B)  C1 and N C)  C1 and O D)  C2 and N E)  C1 and C2" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   N and O
B)   C1 and N
C)   C1 and O
D)   C2 and N
E)   C1 and C2F) B) and D)
G) A) and E)

Question 8

For which of the following molecules or ions does the central atom have sp hybridization: N3-, O3, and SF3+?

Accepted Answer

A)   N3- only
B)   O3 only
C)   SF3+ only
D)   O3 and SF3+
E)   SF3+ and N3-F) A) and B)
G) A) and C)

Question 9

Diagram 9-1
The molecular orbital diagram below may be used for the following problem(s) . For oxygen and fluorine, the σ2p orbital should be lower in energy than the π2p orbitals. However, the diagram will still yield correct bond order and magnetic behavior for these molecules
2-? A)  1 B)  1.5 C)  2 D)  2.5 E)  3" class="answers-bank-image d-inline" rel="preload" >
-Refer to Diagram 9-1. According to molecular orbital theory, what is the bond order of O2-?

Accepted Answer

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

Question 10

What is the molecular geometry around a central atom that is sp2 hybridized, has three sigma bonds, and one pi bond?

Accepted Answer

A)   trigonal-planar
B)   trigonal-pyramidal
C)   bent
D)   T-shaped
E)   tetrahedralF) B) and D)
G) A) and C)

Question 11

In valence bond theory, each sigma bond in CH4 is formed from the overlap of a hydrogen atom's 1s orbital with a(n) ________ hybridized orbital on the carbon atom.

Accepted Answer

Question 12

Atomic orbitals combine most effectively to form molecular orbitals when

Accepted Answer

A)   electrons in the orbitals have no spins.
B)   electrons in the orbitals have the same spin.
C)   the atoms have an equal number of valence electrons.
D)   the atomic orbitals have similar energies.
E)   only d-orbitals are used in bonding.F) C) and D)
G) A) and B)

Question 13

For which of the following molecules does the carbon atom have sp3 hybridization?

Accepted Answer

A)   Cl2CO
B)   CO
C)   CS2
D)   CH2Cl2
E)   HCNF) A) and E)
G) C) and E)

Question 14

A molecular orbital that decreases the electron density between two nuclei is said to be ____.

Accepted Answer

A)   hybridized
B)   bonding
C)   antibonding
D)   pi-bonding
E)   nonpolarF) A) and B)
G) A) and C)

Question 15

Which diatomic molecule or ion has valence electron molecular orbital configuration provided below? [core electrons](σ2s) 2(σ*2s) 2(σ2p) 2(π2p) 4(π*2p) 3

Accepted Answer

A)   B2
B)   O2-
C)   O22+
D)   Ne2
E)   Li2F) A) and B)
G) A) and C)

Question 16

Diagram 9-1
The molecular orbital diagram below may be used for the following problem(s) . For oxygen and fluorine, the σ2p orbital should be lower in energy than the π2p orbitals. However, the diagram will still yield correct bond order and magnetic behavior for these molecules
+ B)  CO C)  CN- D)  OF- E)  NO" class="answers-bank-image d-inline" rel="preload" >
-Refer to Diagram 9-1. Assuming that the molecular orbital energy diagram for a homonuclear diatomic molecule applies to a heteronuclear diatomic molecule, which of the following species is paramagnetic?

Accepted Answer

A)   NO+
B)   CO
C)   CN-
D)   OF-
E)   NOF) A) and B)
G) A) and C)

Question 17

What is the hybridization of carbon atoms present in acetylene?

Accepted Answer

A)   sp
B)   sp2
C)   sp3
D)   sp4
E)   sp5F) A) and E)
G) C) and D)

Question 18

What is the hybridization of oxygen atom O? 2 C)  sp3 D)  sp4 E)  none" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   sp
B)   sp2
C)   sp3
D)   sp4
E)   noneF) A) and B)
G) B) and D)

Question 19

If 7 orbitals on one atom overlap 7 orbitals on a second atom, how many molecular orbitals will be formed?

Accepted Answer

A)   1
B)   2
C)   7
D)   14
E)   None of theseF) A) and B)
G) A) and C)

Question 20

Which theory, valence bond or molecule orbital, correctly predicts the existence of paramagnetic molecules?

Accepted Answer

Molecular ...

Exam 10: Bonding and Molecular Structure Orbital Hybridization and Molecular Orbitals

What is the hybridization of carbon atoms present in acetylene?

Correct Answer
verified

Which theory, valence bond or molecule orbital, correctly predicts the existence of paramagnetic molecules?

Correct Answer
verified
Molecular ...
View Answer

What is the hybridization of oxygen atom O?

Correct Answer
verified

Correct Answer
verified

For which of the following molecules or ions does the central atom have sp hybridization: N₃^-, O₃, and SF₃+?

Correct Answer
verified

Correct Answer
verified

Which of the underlined atoms (C₁, C₂, N, and O) are sp² hybridized?

Correct Answer
verified

Benzene, C₆H₆, consists of a six member ring of sp² hybridized carbon atoms. Each carbon atom has one unhybridized p orbital. How many π_2p bonding, antibonding, and nonbonding molecular orbitals exist for benzene?

Correct Answer
verified

Which diatomic molecule or ion has valence electron molecular orbital configuration provided below? [core electrons](σ_2s) ²(σ_2s) ²(σ_2p) ²(π_2p) ⁴(π_2p) ³

Correct Answer
verified

What is the molecular geometry around a central atom that is sp² hybridized, has three sigma bonds, and one pi bond?

Correct Answer
verified

SF₃⁺, has a tetrahedral electron-pair geometry and a trigonal-pyramidal molecular geometry. The hybridization of the central sulfur atom is ________.

Correct Answer
verified

If 7 orbitals on one atom overlap 7 orbitals on a second atom, how many molecular orbitals will be formed?

Correct Answer
verified

A molecular orbital that decreases the electron density between two nuclei is said to be ____.

Correct Answer
verified

For which of the following molecules does the carbon atom have sp³ hybridization?

Correct Answer
verified

In molecular orbital theory, the bond order is defined as 1/2 × (the number of electrons in ________ orbitals minus the number of electrons in antibonding orbitals).

Correct Answer
verified

In valence bond theory, each sigma bond in CH₄ is formed from the overlap of a hydrogen atom's 1s orbital with a(n) ________ hybridized orbital on the carbon atom.

Correct Answer
verified

What is the molecular geometry around an atom that has 2 σ bonds, 2 π bonds, and 0 lone pair of electrons?

Correct Answer
verified

The electron configuration of a particular diatomic species is: [core electrons](σ_2s) ²(σ_2s) ²(σ_2p) ²(π_2p) ³(π_2p) ⁰ What is the bond order for this species?

Correct Answer
verified

Which of the following hybridized atoms is impossible to form?

Correct Answer
verified

Atomic orbitals combine most effectively to form molecular orbitals when

Correct Answer
verified

Exam 10: Bonding and Molecular Structure Orbital Hybridization and Molecular Orbitals

What is the hybridization of carbon atoms present in acetylene?

Correct AnswerverifiedShow Answer

Which theory, valence bond or molecule orbital, correctly predicts the existence of paramagnetic molecules?

Correct AnswerverifiedMolecular ...View AnswerShow Answer

What is the hybridization of oxygen atom O?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

For which of the following molecules or ions does the central atom have sp hybridization: N3-, O3, and SF3+?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Which of the underlined atoms (C1, C2, N, and O) are sp2 hybridized?

Correct AnswerverifiedShow Answer

Benzene, C6H6, consists of a six member ring of sp2 hybridized carbon atoms. Each carbon atom has one unhybridized p orbital. How many π2p bonding, antibonding, and nonbonding molecular orbitals exist for benzene?

Correct AnswerverifiedShow Answer

Which diatomic molecule or ion has valence electron molecular orbital configuration provided below? [core electrons](σ2s) 2(σ*2s) 2(σ2p) 2(π2p) 4(π*2p) 3

Correct AnswerverifiedShow Answer

What is the molecular geometry around a central atom that is sp2 hybridized, has three sigma bonds, and one pi bond?

Correct AnswerverifiedShow Answer

SF3+, has a tetrahedral electron-pair geometry and a trigonal-pyramidal molecular geometry. The hybridization of the central sulfur atom is ________.

Correct AnswerverifiedShow Answer

If 7 orbitals on one atom overlap 7 orbitals on a second atom, how many molecular orbitals will be formed?

Correct AnswerverifiedShow Answer

A molecular orbital that decreases the electron density between two nuclei is said to be ____.

Correct AnswerverifiedShow Answer

For which of the following molecules does the carbon atom have sp3 hybridization?

Correct AnswerverifiedShow Answer

In molecular orbital theory, the bond order is defined as 1/2 × (the number of electrons in ________ orbitals minus the number of electrons in antibonding orbitals).

Correct AnswerverifiedShow Answer

In valence bond theory, each sigma bond in CH4 is formed from the overlap of a hydrogen atom's 1s orbital with a(n) ________ hybridized orbital on the carbon atom.

Correct AnswerverifiedShow Answer

What is the molecular geometry around an atom that has 2 σ bonds, 2 π bonds, and 0 lone pair of electrons?

Correct AnswerverifiedShow Answer

The electron configuration of a particular diatomic species is: [core electrons](σ2s) 2(σ*2s) 2(σ2p) 2(π2p) 3(π*2p) 0 What is the bond order for this species?

Correct AnswerverifiedShow Answer

Which of the following hybridized atoms is impossible to form?

Correct AnswerverifiedShow Answer

Atomic orbitals combine most effectively to form molecular orbitals when

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified
Molecular ...
View Answer

Correct Answer
verified

Correct Answer
verified

For which of the following molecules or ions does the central atom have sp hybridization: N₃^-, O₃, and SF₃+?

Correct Answer
verified

Correct Answer
verified

Which of the underlined atoms (C₁, C₂, N, and O) are sp² hybridized?

Correct Answer
verified

Benzene, C₆H₆, consists of a six member ring of sp² hybridized carbon atoms. Each carbon atom has one unhybridized p orbital. How many π_2p bonding, antibonding, and nonbonding molecular orbitals exist for benzene?

Correct Answer
verified

Which diatomic molecule or ion has valence electron molecular orbital configuration provided below? [core electrons](σ_2s) ²(σ_2s) ²(σ_2p) ²(π_2p) ⁴(π_2p) ³

Correct Answer
verified

What is the molecular geometry around a central atom that is sp² hybridized, has three sigma bonds, and one pi bond?

Correct Answer
verified

SF₃⁺, has a tetrahedral electron-pair geometry and a trigonal-pyramidal molecular geometry. The hybridization of the central sulfur atom is ________.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

For which of the following molecules does the carbon atom have sp³ hybridization?

Correct Answer
verified

Correct Answer
verified

In valence bond theory, each sigma bond in CH₄ is formed from the overlap of a hydrogen atom's 1s orbital with a(n) ________ hybridized orbital on the carbon atom.

Correct Answer
verified

Correct Answer
verified

The electron configuration of a particular diatomic species is: [core electrons](σ_2s) ²(σ_2s) ²(σ_2p) ²(π_2p) ³(π_2p) ⁰ What is the bond order for this species?

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified