Question 1

According to molecular orbital (MO) theory,the twelve outermost electrons in the O2 molecule are distributed as follows:

Accepted Answer

A)  12 in bonding MOs,0 in antibonding MOs.
B)  10 in bonding MOs,2 in antibonding MOs.
C)  9 in bonding MOs,3 in antibonding MOs.
D)  8 in bonding MOs,4 in antibonding MOs.
E)  7 in bonding MOs,5 in antibonding MOs.F) A) and B)
G) C) and D)

Question 2

In one sentence state the basic principle of valence bond theory.

Accepted Answer

A covalent bond forms when the...

Question 3

The angles between sp2 hybrid orbitals are 109.5°.

Accepted Answer

A) True 
 B)False

Question 4

What type of hybridization is needed to explain why ethyne (acetylene,C2H2),is linear?

Accepted Answer

Question 5

Valence bond theory predicts that sulfur will use _____ hybrid orbitals in sulfur dioxide,SO2.

Accepted Answer

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

Question 6

Valence bond theory predicts that tin will use _____ hybrid orbitals in SnCl3-.

Accepted Answer

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

Question 7

Hybrid orbitals of the sp3d type occur in sets of four.

Accepted Answer

A) True 
 B)False

Question 8

A molecule with the formula AX2 uses _________ to form its bonds.

Accepted Answer

A)  sp hybrid orbitals
B)  sp2 hybrid orbitals
C)  sp3 hybrid orbitals
D)  sp3d hybrid orbitals
E)  sp3d2 hybrid orbitalsF) A) and E)
G) C) and D)

Question 9

According to valence bond theory,which of the following molecules involves sp2 hybridization of orbitals on the central atom? (central atom is bold)

Accepted Answer

A)  C2H2
B)  C2H4
C)  C2H6
D)  CO2
E)  H2OF) B) and D)
G) A) and D)

Exam 11: Theories of Covalent Bonding

According to molecular orbital (MO) theory,the twelve outermost electrons in the O₂ molecule are distributed as follows:

Correct Answer
verified

What type of hybridization is needed to explain why ethyne (acetylene,C₂H₂),is linear?

Correct Answer
verified

The angles between sp² hybrid orbitals are 109.5°.

Correct Answer
verified

Valence bond theory predicts that tin will use _____ hybrid orbitals in SnCl₃^-.

Correct Answer
verified

Valence bond theory predicts that sulfur will use _____ hybrid orbitals in sulfur dioxide,SO₂.

Correct Answer
verified

In one sentence state the basic principle of valence bond theory.

Correct Answer
verified
A covalent bond forms when the...
View Answer

Hybrid orbitals of the sp³d type occur in sets of four.

Correct Answer
verified

According to valence bond theory,which of the following molecules involves sp² hybridization of orbitals on the central atom? (central atom is bold)

Correct Answer
verified

A molecule with the formula AX₂ uses _________ to form its bonds.

Correct Answer
verified

Exam 11: Theories of Covalent Bonding

According to molecular orbital (MO) theory,the twelve outermost electrons in the O2 molecule are distributed as follows:

Correct AnswerverifiedShow Answer

What type of hybridization is needed to explain why ethyne (acetylene,C2H2),is linear?

Correct AnswerverifiedShow Answer

The angles between sp2 hybrid orbitals are 109.5°.

Correct AnswerverifiedShow Answer

Valence bond theory predicts that tin will use _____ hybrid orbitals in SnCl3-.

Correct AnswerverifiedShow Answer

Valence bond theory predicts that sulfur will use _____ hybrid orbitals in sulfur dioxide,SO2.

Correct AnswerverifiedShow Answer

In one sentence state the basic principle of valence bond theory.

Correct AnswerverifiedA covalent bond forms when the...View AnswerShow Answer

Hybrid orbitals of the sp3d type occur in sets of four.

Correct AnswerverifiedShow Answer

According to valence bond theory,which of the following molecules involves sp2 hybridization of orbitals on the central atom? (central atom is bold)

Correct AnswerverifiedShow Answer

A molecule with the formula AX2 uses _________ to form its bonds.

Correct AnswerverifiedShow Answer

According to molecular orbital (MO) theory,the twelve outermost electrons in the O₂ molecule are distributed as follows:

Correct Answer
verified

What type of hybridization is needed to explain why ethyne (acetylene,C₂H₂),is linear?

Correct Answer
verified

The angles between sp² hybrid orbitals are 109.5°.

Correct Answer
verified

Valence bond theory predicts that tin will use _____ hybrid orbitals in SnCl₃^-.

Correct Answer
verified

Valence bond theory predicts that sulfur will use _____ hybrid orbitals in sulfur dioxide,SO₂.

Correct Answer
verified

Correct Answer
verified
A covalent bond forms when the...
View Answer

Hybrid orbitals of the sp³d type occur in sets of four.

Correct Answer
verified

According to valence bond theory,which of the following molecules involves sp² hybridization of orbitals on the central atom? (central atom is bold)

Correct Answer
verified

A molecule with the formula AX₂ uses _________ to form its bonds.

Correct Answer
verified