Which of the following is/are tetrahedral? 1)methane, CH4 2)methyl carbocation, CH3+ 3)methyl carbanion, CH3- 4)methyl radical, CH3-

A) only 1 and 2 B) only 1 and 3 C) only 1 and 4 D) only 2 and 3 A) only 1 and 2 B) only 1 and 3 C) only 1 and 4 D) only 2 and 3

Exam 1: Covalent Bonding and Shapes of Molecules

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Provide a neatly drawn figure to show the atomic orbitals that overlap to form each of the bonds in ammonia (NH₃) and which contain the lone pair of electrons. Label each orbital with its hybridization.

(Essay)

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Question 81

The following species forms during an organic reaction. The formal charge on the carbon atom indicated by the arrow is +1.

(True/False)

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Question 82

What is the approximate value of the H-C-H bond angles in a methyl anion, CH₃^-?

(Multiple Choice)

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Question 83

Which of the following is/are tetrahedral? 1)methane, CH₄ 2)methyl carbocation, CH₃⁺ 3)methyl carbanion, CH₃^- 4)methyl radical, CH₃^-

(Multiple Choice)

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Question 84

Which of the following is a tertiary amine?

(Multiple Choice)

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Question 85

The formal charge on carbon in carbon monoxide is______.

(Short Answer)

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Question 86

Which of the following resonance structures is the least important contributor to the resonance hybrid of the acetate anion, CH₃COO^-?

(Multiple Choice)

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Question 87

How many electrons can the shell with a principal quantum number of 2 hold?

(Multiple Choice)

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Question 88

Which atomic orbitals overlap to form the C-O bond of dimethyl ether, (CH₃)₂O?

(Multiple Choice)

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Question 89

Which of the following compounds is an aldehyde?

(Multiple Choice)

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Question 90

Which of the following molecules is not linear?

(Multiple Choice)

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Question 91

How many electrons are there in the valence shell of the carbon atom of the methyl anion, CH₃^-?

(Multiple Choice)

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Question 92

Which of the following species possesses a formal charge?

(Multiple Choice)

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Question 93

The following molecule contains an _____________functional group.

(Short Answer)

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Question 94

How many electrons are there in the valence shell of the nitrogen atom of ammonia?

(Multiple Choice)

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Question 95

Which of the following best represents an sp² hybridized atomic orbital of carbon which overlaps with the 1s atomic orbital of hydrogen to form a C-H $\sigma$ bonding molecular orbital in ethene, H₂C=CH₂ $Which of the following best represents an sp2 hybridized atomic orbital of carbon which overlaps with the 1s atomic orbital of hydrogen to form a C-H \sigma bonding molecular orbital in ethene, H2C=CH2$

(Multiple Choice)

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Question 96

Which of the following bonds has the smallest dipole moment?

(Multiple Choice)

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Question 97

Which of the following best represents the shape of the 2s atomic orbital of carbon?

(Multiple Choice)

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Question 98

How many electrons can the shell with a principal quantum number of 1 hold?

(Multiple Choice)

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Question 99

The following molecule is classified as a __________amine.

(Short Answer)

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Question 100

Showing 81 - 100 of 115

Exam 1: Covalent Bonding and Shapes of Molecules

Provide a neatly drawn figure to show the atomic orbitals that overlap to form each of the bonds in ammonia (NH3) and which contain the lone pair of electrons. Label each orbital with its hybridization.

The following species forms during an organic reaction. The formal charge on the carbon atom indicated by the arrow is +1.

What is the approximate value of the H-C-H bond angles in a methyl anion, CH3-?

Which of the following is/are tetrahedral? 1)methane, CH4 2)methyl carbocation, CH3+ 3)methyl carbanion, CH3- 4)methyl radical, CH3-

Which of the following is a tertiary amine?

The formal charge on carbon in carbon monoxide is______.

Which of the following resonance structures is the least important contributor to the resonance hybrid of the acetate anion, CH3COO-?

How many electrons can the shell with a principal quantum number of 2 hold?

Which atomic orbitals overlap to form the C-O bond of dimethyl ether, (CH3)2O?

Which of the following compounds is an aldehyde?

Which of the following molecules is not linear?

How many electrons are there in the valence shell of the carbon atom of the methyl anion, CH3-?

Which of the following species possesses a formal charge?

The following molecule contains an _____________functional group.

How many electrons are there in the valence shell of the nitrogen atom of ammonia?

Which of the following best represents an sp2 hybridized atomic orbital of carbon which overlaps with the 1s atomic orbital of hydrogen to form a C-H σ\sigmaσ bonding molecular orbital in ethene, H2C=CH2

Which of the following bonds has the smallest dipole moment?

Which of the following best represents the shape of the 2s atomic orbital of carbon?

How many electrons can the shell with a principal quantum number of 1 hold?

The following molecule is classified as a __________amine.

Alkanes and Cycloalkanes

Stereoisomerism and Chirality

Acids and Bases

Alkenes: Bonding, Nomenclature, and Properties

Reactions of Alkenes

Alkynes

Haloalkanes, Halogenation, and Radical Reactions

Nucleophilic Substitution and Beta-Elimination

Alcohols

Ethers, Epoxides, and Sulfides

Infrared Spectroscopy

Nuclear Magnetic Resonance Spectroscopy

Mass Spectrometry

An Introduction to Organometallic Compounds

Aldehydes and Ketones

Carboxylic Acids

Functional Derivatives of Carboxylic Acids

Enolate Anions and Enamines

Dienes, Conjugated Systems, and Pericyclic Reactions

Benzene and the Concept of Aromaticity

Reactions of Benzene and Its Derivatives

Amines

Catalytic Carbon-Carbon Bond Formation

Carbohydrates

Lipids

Amino Acids and Proteins

Nucleic Acids

Organic Polymer Chemistry

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Provide a neatly drawn figure to show the atomic orbitals that overlap to form each of the bonds in ammonia (NH₃) and which contain the lone pair of electrons. Label each orbital with its hybridization.

What is the approximate value of the H-C-H bond angles in a methyl anion, CH₃^-?

Which of the following is/are tetrahedral? 1)methane, CH₄ 2)methyl carbocation, CH₃⁺ 3)methyl carbanion, CH₃^- 4)methyl radical, CH₃^-

Which of the following resonance structures is the least important contributor to the resonance hybrid of the acetate anion, CH₃COO^-?

Which atomic orbitals overlap to form the C-O bond of dimethyl ether, (CH₃)₂O?

How many electrons are there in the valence shell of the carbon atom of the methyl anion, CH₃^-?