Question 1

In quantum mechanics a node (nodal surface or plane)  is ________ .

Accepted Answer

A)   location where  Ψ\varPsiΨ   is negative
B)   location where  Ψ\varPsiΨ   is positive
C)   location where  Ψ\varPsiΨ  2 is positive
D)   location where  Ψ\varPsiΨ  2 is negative
E)   location where  Ψ\varPsiΨ  is zero

Question 2

Identify the compound with the longest carbon - nitrogen bond.

Accepted Answer

A)   CH3CH2CH=NH
B)   CH3CH2NH2
C)   CH3CH2C≡N
D)   The length of the carbon-nitrogen bonds are the same

Question 3

Rank the following compounds in decreasing order of boiling point.  I > IV > II B)  II > I > IV > III C)  III > I > II > IV D)  IV > II > I > III E)  I > III > II > IV" class="answers-bank-image d-inline" rel="preload" >  I > IV > II B)  II > I > IV > III C)  III > I > II > IV D)  IV > II > I > III E)  I > III > II > IV" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   III > I > IV > II
B)   II > I > IV > III
C)   III > I > II > IV
D)   IV > II > I > III
E)   I > III > II > IV

Question 4

What is the correct Lewis structure for hydrocyanic acid, HCN, including the formal charges, if any?

Accepted Answer

A)   I
B)   II
C)   III
D)   IV
E)   V

Question 5

What is the hybridization state of the boron atom in the following compound? 2 C)  sp3 D)  sp3d E)  s2p" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   sp
B)   sp2
C)   sp3
D)   sp3d
E)   s2p

Question 6

Which of the following compounds is most soluble in water?

Accepted Answer

A)   I
B)   II
C)   III
D)   IV
E)   II and III

Question 7

What is the electronic configuration for the nitride ion?

Accepted Answer

A)   1s2 2s2 2p0
B)   1s2 2s2 2p2
C)   1s2 2s22p3
D)   1s2 2s22p4
E)   1s2 2s2 2p6

Question 8

Describe how soaps function as cleaning agents.

Accepted Answer

Soaps form clusters called micelles. The...

Question 9

What is the molecular geometry at the central atom in CH2Br2?

Accepted Answer

A)   trigonal planar
B)   trigonal pyramidal
C)   square planar
D)   tetrahedral
E)   None of these

Question 10

Which of the following compounds does not have dipole moment?

Accepted Answer

A)   HCl
B)   NCl3
C)   CO
D)   BF3
E)   All have dipole moment

Question 11

The molecular geometry of carbon tetrachloride, CCl4, is _________ .

Accepted Answer

A)   tetrahedral
B)   trigonal planar
C)   trigonal pyramidal
D)   square planar
E)   linear

Question 12

Carbon is considered to be _______.

Accepted Answer

A)   tetravalent
B)   divalent
C)   trivalent
D)   monovalent
E)   pentavalent

Question 13

Which of the following is the correct representation of the dipole for a P-Cl bond?

Accepted Answer

A)   I
B)   II
C)   III
D)   IV
E)   V

Question 14

Which of the following compounds has two lone pairs on the central atom?

Accepted Answer

A)   CO2
B)   SCl2
C)   NF3
D)   CS2
E)   SO3

Question 15

Which of the following compounds has a dipole moment? Indicate the direction of the dipole moment.

Accepted Answer

Compound I has no di...

Question 16

Interaction of the following two atomic orbitals results in what kind of molecular orbital, in the orientation shown?

Accepted Answer

pi bonding...

Question 17

The C-C sigma bond in ethyne (H-C ≡\equiv≡ C-H)  results from the overlap of which orbitals?

Accepted Answer

A)   sp-sp
B)   sp-sp3
C)   sp2-sp2
D)   sp-s
E)   p-p

Question 18

Draw the Lewis structure for HCOOH and predict the hybridization state, molecular geometry and approximate bond angle around the central atom.

Accepted Answer

<img  loading="lazy" src="/assets/images/blured-textbook.svg" class="d-inline m-1" alt="blured image" width="139" height="30">_TB4454_00...

Question 19

According to molecular orbital theory, the destructive interference of two atomic orbitals results in a(n) _______.

Accepted Answer

antibondin...

Question 20

Which of the following structures have a 1+ formal charge on the sulfur atom?

Accepted Answer

A)   I
B)   II
C)   III
D)   IV
E)   V

Exam 1: A Review of General Chemistry: Electrons, Bonds, and Molecular Properties

What is the electronic configuration for the nitride ion?

Correct AnswerverifiedShow Answer

Rank the following compounds in decreasing order of boiling point.

Correct AnswerverifiedShow Answer

Describe how soaps function as cleaning agents.

Correct AnswerverifiedSoaps form clusters called micelles. The...View AnswerShow Answer

What is the molecular geometry at the central atom in CH2Br2?

Correct AnswerverifiedShow Answer

Draw the Lewis structure for HCOOH and predict the hybridization state, molecular geometry and approximate bond angle around the central atom.

Correct Answerverified_TB4454_00...View AnswerShow Answer

Carbon is considered to be _______.

Correct AnswerverifiedShow Answer

The C-C sigma bond in ethyne (H-C ≡\equiv≡ C-H) results from the overlap of which orbitals?

Correct AnswerverifiedShow Answer

What is the correct Lewis structure for hydrocyanic acid, HCN, including the formal charges, if any?

Correct AnswerverifiedShow Answer

The molecular geometry of carbon tetrachloride, CCl4, is _________ .

Correct AnswerverifiedShow Answer

Which of the following compounds is most soluble in water?

Correct AnswerverifiedShow Answer

Interaction of the following two atomic orbitals results in what kind of molecular orbital, in the orientation shown?

Correct Answerverifiedpi bonding...View AnswerShow Answer

Which of the following compounds has two lone pairs on the central atom?

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Which of the following compounds does not have dipole moment?

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Identify the compound with the longest carbon - nitrogen bond.

Correct AnswerverifiedShow Answer

What is the hybridization state of the boron atom in the following compound?

Correct AnswerverifiedShow Answer

Which of the following structures have a 1+ formal charge on the sulfur atom?

Correct AnswerverifiedShow Answer

According to molecular orbital theory, the destructive interference of two atomic orbitals results in a(n) _______.

Correct Answerverifiedantibondin...View AnswerShow Answer

Which of the following compounds has a dipole moment? Indicate the direction of the dipole moment.

Correct AnswerverifiedCompound I has no di...View AnswerShow Answer

Which of the following is the correct representation of the dipole for a P-Cl bond?

Correct AnswerverifiedShow Answer

In quantum mechanics a node (nodal surface or plane) is ________ .

Correct AnswerverifiedShow Answer

Correct Answer
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Soaps form clusters called micelles. The...
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What is the molecular geometry at the central atom in CH₂Br₂?

Correct Answer
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_TB4454_00...
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Correct Answer
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The C-C sigma bond in ethyne (H-C $\equiv$ C-H) results from the overlap of which orbitals?

Correct Answer
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Correct Answer
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The molecular geometry of carbon tetrachloride, CCl₄, is _________ .

Correct Answer
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Correct Answer
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Correct Answer
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pi bonding...
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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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antibondin...
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Compound I has no di...
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Correct Answer
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Correct Answer
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