Complete this sentence: The PCl5 molecule has

A) nonpolar bonds, and is a nonpolar molecule. B) nonpolar bonds, but is a polar molecule. C) polar bonds, and is a polar molecule. D) polar bonds, but is a nonpolar molecule. A) nonpolar bonds, and is a nonpolar molecule. B) nonpolar bonds, but is a polar molecule. C) polar bonds, and is a polar molecule. D) polar bonds, but is a nonpolar molecule.

The bond angle in SCl2 is expected to be

A) a little less than 109.5°. B) 109.5°. C) a little more than 109.5°. D) 120°. E) 180°. A) a little less than 109.5°. B) 109.5°. C) a little more than 109.5°. D) 120°. E) 180°.

The bond angle in Cl2O is expected to be approximately

A) 90°. B) 109.5°. C) 120°. D) 145°. E) 180°. A) 90°. B) 109.5°. C) 120°. D) 145°. E) 180°.

Which of the following substances is/are bent? (i)H2S (ii)CO2 (iii)ClNO (iv)NH2- (v)O3

A) only (iii) B) only (i)and (v) C) only (i), (iii), and (v) D) all are bent except for (iv) E) all are bent except for (ii) A) only (iii) B) only (i)and (v) C) only (i), (iii), and (v) D) all are bent except for (iv) E) all are bent except for (ii)

Exam 10: Chemical Bonding Ii: Molecular Geometry and Hybridization of Atomic Orbitals

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N,N-diethyl-m-tolumide (DEET)is the active ingredient in many mosquito repellents. How many sigma bonds and pi bonds are contained in a DEET molecule?

(Short Answer)

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Question 21

Which of the following is not true of molecular orbitals?

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Question 22

Ibuprofen is used as an analgesic for the relief of pain, and also to help reduce fever. What is the hybridization state of carbon indicated by the arrow in the structure of ibuprofen shown below?

(Multiple Choice)

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Question 23

Complete this sentence: The PCl₅ molecule has

(Multiple Choice)

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Question 24

In which of the following would the bonding be weakened with the addition of an electron to form the negative molecular ion?

(Multiple Choice)

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Question 25

What is the hybridization on the central atom in NO₃^- ?

(Multiple Choice)

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Question 26

Give the number of lone pairs around the central atom and the geometry of the ion PCl₄^-.

(Multiple Choice)

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Question 27

The bond angle in SCl₂ is expected to be

(Multiple Choice)

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Question 28

Give the number of lone pairs around the central atom and the geometry of the ion NO₂^-.

(Multiple Choice)

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Question 29

Which of the following correctly lists species in order of increasing bond order?

(Multiple Choice)

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Question 30

Which of the following species has the largest dipole moment (i.e., is the most polar)?

(Multiple Choice)

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Question 31

Give the number of lone pairs around the central atom and the molecular geometry of SeF₄.

(Multiple Choice)

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Question 32

The bond angle in Cl₂O is expected to be approximately

(Multiple Choice)

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Question 33

Draw a Lewis structure for PF₅ that shows the correct atom arrangement predicted by VSEPR theory.

(Essay)

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Question 34

Predict the geometry around the central atom in PO₄^3-.

(Multiple Choice)

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Question 35

Indicate the type of hybrid orbitals used by the central atom in CCl₄.

(Multiple Choice)

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Question 36

Which of the following substances is/are bent? (i)H₂S (ii)CO₂ (iii)ClNO (iv)NH₂^- (v)O₃

(Multiple Choice)

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Question 37

Ibuprofen is used as an analgesic for the relief of pain, and also to help reduce fever. What is the hybridization state of carbon indicated by the arrow in the structure of ibuprofen shown below?

(Multiple Choice)

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Question 38

Ibuprofen is used as an analgesic for the relief of pain, and also to help reduce fever. How many sigma bonds and pi bonds are contained in an ibuprofen molecule?

(Short Answer)

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Question 39

Give the number of lone pairs around the central atom and the geometry of the ion ClO₂^-.

(Multiple Choice)

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Question 40

Showing 21 - 40 of 120

Exam 10: Chemical Bonding Ii: Molecular Geometry and Hybridization of Atomic Orbitals

N,N-diethyl-m-tolumide (DEET)is the active ingredient in many mosquito repellents. How many sigma bonds and pi bonds are contained in a DEET molecule?

Which of the following is not true of molecular orbitals?

Ibuprofen is used as an analgesic for the relief of pain, and also to help reduce fever. What is the hybridization state of carbon indicated by the arrow in the structure of ibuprofen shown below?

Complete this sentence: The PCl5 molecule has

In which of the following would the bonding be weakened with the addition of an electron to form the negative molecular ion?

What is the hybridization on the central atom in NO3- ?

Give the number of lone pairs around the central atom and the geometry of the ion PCl4-.

The bond angle in SCl2 is expected to be

Give the number of lone pairs around the central atom and the geometry of the ion NO2-.

Which of the following correctly lists species in order of increasing bond order?

Which of the following species has the largest dipole moment (i.e., is the most polar)?

Give the number of lone pairs around the central atom and the molecular geometry of SeF4.

The bond angle in Cl2O is expected to be approximately

Draw a Lewis structure for PF5 that shows the correct atom arrangement predicted by VSEPR theory.

Predict the geometry around the central atom in PO43-.

Indicate the type of hybrid orbitals used by the central atom in CCl4.

Which of the following substances is/are bent? (i)H2S (ii)CO2 (iii)ClNO (iv)NH2- (v)O3

Ibuprofen is used as an analgesic for the relief of pain, and also to help reduce fever. What is the hybridization state of carbon indicated by the arrow in the structure of ibuprofen shown below?

Ibuprofen is used as an analgesic for the relief of pain, and also to help reduce fever. How many sigma bonds and pi bonds are contained in an ibuprofen molecule?

Give the number of lone pairs around the central atom and the geometry of the ion ClO2-.

Introduction

Atoms, Molecules, and Ions

Stoichiometry

Reactions in Aqueous Solution

Gases

Energy Relationships in Chemical Reactions

The Electronic Structure of Atoms

The Periodic Table

Chemical Bonding I: the Covalent Bond

Introduction to Organic Chemistry

Intermolecular Forces and Liquids and Solids

Physical Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria and Solubility Equilibria

Thermodynamics

Redox Reactions and Electrochemistry

The Chemistry of Coordination Compounds

Nuclear Chemistry

Organic Polymerssynthetic and Natural

Filters

Complete this sentence: The PCl₅ molecule has

What is the hybridization on the central atom in NO₃^- ?

Give the number of lone pairs around the central atom and the geometry of the ion PCl₄^-.

The bond angle in SCl₂ is expected to be

Give the number of lone pairs around the central atom and the geometry of the ion NO₂^-.

Give the number of lone pairs around the central atom and the molecular geometry of SeF₄.

The bond angle in Cl₂O is expected to be approximately

Draw a Lewis structure for PF₅ that shows the correct atom arrangement predicted by VSEPR theory.

Predict the geometry around the central atom in PO₄^3-.

Indicate the type of hybrid orbitals used by the central atom in CCl₄.

Which of the following substances is/are bent? (i)H₂S (ii)CO₂ (iii)ClNO (iv)NH₂^- (v)O₃

Give the number of lone pairs around the central atom and the geometry of the ion ClO₂^-.