Exam 6: Ionic Reactions - Nucleophilic Substitution and Elimination Reactions of Alkyl Halides

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A reaction in which the nucleophile is a molecule of the solvent is referred to as a ______________ reaction.

(Short Answer)

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Question 81

The major product(s)for the following reaction would mainly be dictated by which mechanism?

(Multiple Choice)

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Question 82

Which S_N2 reaction would take place most rapidly?

(Multiple Choice)

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Question 83

S_N1 reactions of the following type: Nu:^- + R-X $\rightarrow$ R-Nu + :X^- Are favored:

(Multiple Choice)

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Question 84

The difference in the bond energies of reactants and the transition state of a reaction is designated by the notation:

(Multiple Choice)

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Question 85

The stabilizing effect of alkyl substituents on carbocations can be explained through _____________________.

(Short Answer)

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Question 86

The rate equation for a nucleophilic substitution reaction of a secondary alkyl chloride (R-Cl)with I^-ion would be:

(Multiple Choice)

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Question 87

As we go down Group 7A of the periodic table,the size of the halogen atom increases;accordingly,the carbon-halogen bond length gets _ and the bond strength gets _.

(Short Answer)

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Question 88

Which ion is the strongest nucleophile in an aprotic solvent such as dimethylsulfoxide?

(Multiple Choice)

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Question 89

The Hammond-Leffler postulate,when applied to nucleophilic substitutions and elimination reactions,states that:

(Multiple Choice)

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Question 90

Which is a true statement concerning the transition state of the rate-determining step of an S_N1 reaction?

(Multiple Choice)

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Question 91

Predict the product(s)for the following reaction sequence.

(Multiple Choice)

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Question 92

What would be the major product(s)of the following reaction?

(Multiple Choice)

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Question 93

You want to synthesize 3-methyl-2-pentene from 2-chloro-3-methylpentane.Which reagent would you use?

(Multiple Choice)

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Question 94

The relative nucleophilicities of species do not necessarily parallel the relative basicities of the same species because:

(Multiple Choice)

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Question 95

Predict the product(s)for the following reaction sequence.

(Multiple Choice)

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Question 96

What final product is likely to be obtained through the following series of reactions?

(Essay)

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Question 97

The product(s)for the following reaction would mainly be dictated by which mechanism?

(Multiple Choice)

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Question 98

Which S_N2 reaction will occur most rapidly in aqueous acetone solution? Assume concentrations and temperature are the same in each instance.

(Multiple Choice)

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Question 99

What would be the major product(s)of the following reaction?

(Multiple Choice)

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Question 100

Showing 81 - 100 of 146

Exam 6: Ionic Reactions - Nucleophilic Substitution and Elimination Reactions of Alkyl Halides

A reaction in which the nucleophile is a molecule of the solvent is referred to as a ______________ reaction.

The major product(s)for the following reaction would mainly be dictated by which mechanism?

Which SN2 reaction would take place most rapidly?

SN1 reactions of the following type: Nu:- + R-X →\rightarrow→ R-Nu + :X- Are favored:

The difference in the bond energies of reactants and the transition state of a reaction is designated by the notation:

The stabilizing effect of alkyl substituents on carbocations can be explained through _____________________.

The rate equation for a nucleophilic substitution reaction of a secondary alkyl chloride (R-Cl)with I-ion would be:

As we go down Group 7A of the periodic table,the size of the halogen atom increases;accordingly,the carbon-halogen bond length gets _______________ and the bond strength gets _______________.

Which ion is the strongest nucleophile in an aprotic solvent such as dimethylsulfoxide?

The Hammond-Leffler postulate,when applied to nucleophilic substitutions and elimination reactions,states that:

Which is a true statement concerning the transition state of the rate-determining step of an SN1 reaction?

Predict the product(s)for the following reaction sequence.

What would be the major product(s)of the following reaction?

You want to synthesize 3-methyl-2-pentene from 2-chloro-3-methylpentane.Which reagent would you use?

The relative nucleophilicities of species do not necessarily parallel the relative basicities of the same species because:

Predict the product(s)for the following reaction sequence.

What final product is likely to be obtained through the following series of reactions?

The product(s)for the following reaction would mainly be dictated by which mechanism?

Which SN2 reaction will occur most rapidly in aqueous acetone solution? Assume concentrations and temperature are the same in each instance.

What would be the major product(s)of the following reaction?

Carbon Compounds and Chemical Bonds

Representative Carbon Compounds: Functional Groups, Intermolecular Forces, and Infrared Ir Spectroscopy

An Introduction to Organic Reactions: Acids and Bases

Alkanes: Nomenclature, Conformational Analysis, and an Introduction to Synthesis

Stereochemistry: Chiral Molecules

Alkenes and Alkynes I: Properties and Synthesis, Elimination Reactions of Alkyl Halides

Alkenes and Alkynes Ii: Addition Reactions

Nuclear Magnetic Resonance and Mass Spectrometry: Tools for Structure Determination

Radical Reactions

Alcohols and Ethers

Alcohols From Carbonyl Compounds Oxidation-Reduction and Organometallic Compounds

Conjugated Unsaturated Systems

Aromatic Compounds

Reactions of Aromatic Compounds

Aldehydes and Ketones I Nucleophilic Addition to the Carbonyl Group

Aldehydes and Ketones Ii Aldol Reactions

Carboxylic Acids and Their Derivatives Nucleophilic Addition - Elimination at the Acyl Carbon

Synthesis and Reactions of Beta-Dicarbonyl Compounds: More Chemistry of Enolate Ions

Amines

Phenols and Aryl Halides: Nucleophilic Aromatic Substitution

Carbohydrates

Lipids

Amino Acids and Proteins

Nucleic Acids and Protein Synthesis

Filters

Which S_N2 reaction would take place most rapidly?

S_N1 reactions of the following type: Nu:^- + R-X $\rightarrow$ R-Nu + :X^- Are favored:

The rate equation for a nucleophilic substitution reaction of a secondary alkyl chloride (R-Cl)with I^-ion would be:

As we go down Group 7A of the periodic table,the size of the halogen atom increases;accordingly,the carbon-halogen bond length gets _ and the bond strength gets _.

Which is a true statement concerning the transition state of the rate-determining step of an S_N1 reaction?

Which S_N2 reaction will occur most rapidly in aqueous acetone solution? Assume concentrations and temperature are the same in each instance.