Exam 4: The Study of Chemical Reactions

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Given that tertiary H atoms react with a chlorine radical about 5.5 times faster than primary ones, estimate the ratio of the two monochlorinated products that result when 2,3-dimethylbutane undergoes free radical chlorination.

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Question 121

For the compound below, the number of 1°, 2° and 3° hydrogens, respectively is ________.

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Question 122

The monochlorination of butane with chlorine gas under photolysis will give two products. Draw both of them and then predict the product ratio.

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Question 123

Draw the transition state for the hydrogen abstraction reaction shown below. (Hint: this is an endothermic reaction.) (CH₃)₃C-H + ∙Br → (CH₃)₃C∙ + H-Br

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Question 124

The relative reactivity of the 1°: 2°: 3° hydrogens of (CH₃)₃CCH₂CH₃ in free radical chlorination is 1: 3.8: 5.0. Provide the structure of each monochlorination product, and estimate the relative amount of each in the mixture of monochlorinated products.

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Question 125

Which of the following depictions most closely resembles the structure of the transition state for the following acid-base reaction?

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Question 126

Predict the enthalpy (ΔH) value for the theoretical reaction below, and indicate whether it is endothermic or exothermic. The bond dissociation energy for each bond in Kcal/mol is shown below each reactant and product.

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Question 127

What is the hybridization of the positively charged carbon in (CH₃)₃C⁺?

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Question 128

Showing 121 - 128 of 128

Given that tertiary H atoms react with a chlorine radical about 5.5 times faster than primary ones, estimate the ratio of the two monochlorinated products that result when 2,3-dimethylbutane undergoes free radical chlorination.

For the compound below, the number of 1°, 2° and 3° hydrogens, respectively is ________.

The monochlorination of butane with chlorine gas under photolysis will give two products. Draw both of them and then predict the product ratio.

Draw the transition state for the hydrogen abstraction reaction shown below. (Hint: this is an endothermic reaction.) (CH₃)₃C-H + ∙Br → (CH₃)₃C∙ + H-Br

The relative reactivity of the 1°: 2°: 3° hydrogens of (CH₃)₃CCH₂CH₃ in free radical chlorination is 1: 3.8: 5.0. Provide the structure of each monochlorination product, and estimate the relative amount of each in the mixture of monochlorinated products.

Which of the following depictions most closely resembles the structure of the transition state for the following acid-base reaction?

Predict the enthalpy (ΔH) value for the theoretical reaction below, and indicate whether it is endothermic or exothermic. The bond dissociation energy for each bond in Kcal/mol is shown below each reactant and product.

What is the hybridization of the positively charged carbon in (CH₃)₃C⁺?

Structure and Bonding

Acids and Bases; Functional Groups

Structure and Stereochemistry of Alkanes

Stereochemistry

Alkyl Halides; Nucleophilic Substitution

Structure and Synthesis of Alkenes; Elimination

Reactions of Alkenes

Structure and Synthesis of Alcohols

Reactions of Alcohols

Infrared Spectroscopy and Mass Spectrometry

Nuclear Magnetic Resonance Spectroscopy

Ethers, Epoxides, and Thioethers

Conjugated Systems, Orbital Symmetry, and Ultraviolet Spectroscopy

Aromatic Compounds

Reactions of Aromatic Compounds

Ketones and Aldehydes

Amines

Carboxylic Acids

Carboxylic Acid Derivatives

Condensations and Alpha Substitutions of Carboxyl Compounds

Carbohydrates and Nucleic Acids

Amino Acids, Peptides, and Proteins

Lipids

Synthetic Polymers

Filters

Exam 4: The Study of Chemical Reactions

Given that tertiary H atoms react with a chlorine radical about 5.5 times faster than primary ones, estimate the ratio of the two monochlorinated products that result when 2,3-dimethylbutane undergoes free radical chlorination.

For the compound below, the number of 1°, 2° and 3° hydrogens, respectively is ________.

The monochlorination of butane with chlorine gas under photolysis will give two products. Draw both of them and then predict the product ratio.

Draw the transition state for the hydrogen abstraction reaction shown below. (Hint: this is an endothermic reaction.) (CH3)3C-H + ∙Br → (CH3)3C∙ + H-Br

The relative reactivity of the 1°: 2°: 3° hydrogens of (CH3)3CCH2CH3 in free radical chlorination is 1: 3.8: 5.0. Provide the structure of each monochlorination product, and estimate the relative amount of each in the mixture of monochlorinated products.

Which of the following depictions most closely resembles the structure of the transition state for the following acid-base reaction?

Predict the enthalpy (ΔH) value for the theoretical reaction below, and indicate whether it is endothermic or exothermic. The bond dissociation energy for each bond in Kcal/mol is shown below each reactant and product.

What is the hybridization of the positively charged carbon in (CH3)3C+?

Structure and Bonding

Acids and Bases; Functional Groups

Structure and Stereochemistry of Alkanes

Stereochemistry

Alkyl Halides; Nucleophilic Substitution

Structure and Synthesis of Alkenes; Elimination

Reactions of Alkenes

Structure and Synthesis of Alcohols

Reactions of Alcohols

Infrared Spectroscopy and Mass Spectrometry

Nuclear Magnetic Resonance Spectroscopy

Ethers, Epoxides, and Thioethers

Conjugated Systems, Orbital Symmetry, and Ultraviolet Spectroscopy

Aromatic Compounds

Reactions of Aromatic Compounds

Ketones and Aldehydes

Amines

Carboxylic Acids

Carboxylic Acid Derivatives

Condensations and Alpha Substitutions of Carboxyl Compounds

Carbohydrates and Nucleic Acids

Amino Acids, Peptides, and Proteins

Lipids

Synthetic Polymers

Filters

Draw the transition state for the hydrogen abstraction reaction shown below. (Hint: this is an endothermic reaction.) (CH₃)₃C-H + ∙Br → (CH₃)₃C∙ + H-Br

The relative reactivity of the 1°: 2°: 3° hydrogens of (CH₃)₃CCH₂CH₃ in free radical chlorination is 1: 3.8: 5.0. Provide the structure of each monochlorination product, and estimate the relative amount of each in the mixture of monochlorinated products.

What is the hybridization of the positively charged carbon in (CH₃)₃C⁺?