Exam 2: Polar Covalent Bonds: Acids and Bases

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Rank the following in order of decreasing importance as a contributing resonance structure to the molecular structure of acetone,CH₃COCH₃ (more important > less important).

(Multiple Choice)

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Question 21

Instructions: Consider the molecules below to answer the following question. -Refer to instructions.Which of the following is an accurate description of the noncovalent interactions between like molecules?

(Multiple Choice)

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Question 22

Write an equation for the reaction of boron trifluoride,an important reagent in organic chemistry,with trimethylamine.Represent the movement of electrons with a curved arrow,and show the formal charges on the atoms in the product.

(Essay)

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Question 23

Instructions: Label the acid and base in each reaction below. -Label:

(Essay)

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Question 24

Instructions: Refer to the following equation to answer the question(s)below. -Refer to instructions.The strongest Brønsted-Lowry base in the equation is indicated by letter _____.

(Multiple Choice)

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Question 25

Instructions: Consider the reaction below to answer the following question. -Refer to instructions.Using the curved arrow formalism,show the flow of electrons for this reaction.

(Essay)

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Question 26

Identify the reactants and product in the reaction below as acids or bases and specify whether they are Lewis and/or Brønsted-Lowry.

(Essay)

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Question 27

Draw a Lewis structure for each of the following.

(Essay)

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Question 28

Write an equation for the reaction of the alkaloid ephedrine with a proton,showing the structure of its conjugate base.

(Essay)

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Question 29

Which of the following statements is not true regarding resonance structures?

(Multiple Choice)

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Question 30

Instructions: Refer to the following equation to answer the question(s)below. -Refer to instructions.Will this reaction take place as written in the forward direction? Explain.

(Essay)

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Question 31

Consider the structure of acetic acid shown below. In the electrostatic potential map of acetic acid,in which of the following bonds would the terminal atom appear as the deepest shade of red?

(Multiple Choice)

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Question 32

Guanidine is a fairly strong amine base that is attached to the amino acid arginine.Draw three resonance forms for the conjugate acid of guanidine.

(Essay)

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Question 33

The following shows an intermediate used in a Grignard synthesis.Which atom will inductively donate electrons in this species?

(Multiple Choice)

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Question 34

Use the curved arrow method to show the electron movement,and label the acid,base,conjugate acid,and conjugate base.

(Essay)

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Question 35

Showing 21 - 35 of 35

Rank the following in order of decreasing importance as a contributing resonance structure to the molecular structure of acetone,CH₃COCH₃ (more important > less important).

Instructions: Consider the molecules below to answer the following question. -Refer to instructions.Which of the following is an accurate description of the noncovalent interactions between like molecules?

Write an equation for the reaction of boron trifluoride,an important reagent in organic chemistry,with trimethylamine.Represent the movement of electrons with a curved arrow,and show the formal charges on the atoms in the product.

Instructions: Label the acid and base in each reaction below. -Label:

Instructions: Refer to the following equation to answer the question(s)below. -Refer to instructions.The strongest Brønsted-Lowry base in the equation is indicated by letter _____.

Instructions: Consider the reaction below to answer the following question. -Refer to instructions.Using the curved arrow formalism,show the flow of electrons for this reaction.

Identify the reactants and product in the reaction below as acids or bases and specify whether they are Lewis and/or Brønsted-Lowry.

Draw a Lewis structure for each of the following.

Write an equation for the reaction of the alkaloid ephedrine with a proton,showing the structure of its conjugate base.

Which of the following statements is not true regarding resonance structures?

Instructions: Refer to the following equation to answer the question(s)below. -Refer to instructions.Will this reaction take place as written in the forward direction? Explain.

Consider the structure of acetic acid shown below. In the electrostatic potential map of acetic acid,in which of the following bonds would the terminal atom appear as the deepest shade of red?

Guanidine is a fairly strong amine base that is attached to the amino acid arginine.Draw three resonance forms for the conjugate acid of guanidine.

The following shows an intermediate used in a Grignard synthesis.Which atom will inductively donate electrons in this species?

Use the curved arrow method to show the electron movement,and label the acid,base,conjugate acid,and conjugate base.

Structure and Bonding

Organic Compounds: Alkanes and Their Stereochemistry

Organic Compounds: Cycloalkanes and Their Stereochemistry

Stereochemistry at Tetrahedral Centers

An Overview of Organic Reactions

Alkenes and Alkynes

Reactions of Alkenes and Alkynes

Aromatic Compounds

Structure Determination: Mass Spectrometry,infrared Spectroscopy,and Ultraviolet Spectroscopy

Structure Determination: Nuclear Magnetic Resonance Spectroscopy

Organohalides: Nucleophilic Substitutions and Eliminations

Alcohols,phenols,and Thiols: Ethers and Sulfides

Aldehydes and Ketones: Nucleophilic Addition Reactions

Carboxylic Acids and Nitriles

Carboxylic Acid Derivatives: Nucleophilic Acyl Substitution Reactions

Carbonyl Alpha-Substitution and Condensation Reactions

Amines and Heterocycles

Biomolecules: Amino Acids,peptides,and Proteins

Amino Acid Metabolism

Biomolecules: Carbohydrates

Carbohydrate Metabolism

Biomolecules: Lipids and Their Metabolism

Biomolecules: Nucleic Acids and Their Metabolism

Filters

Exam 2: Polar Covalent Bonds: Acids and Bases

Rank the following in order of decreasing importance as a contributing resonance structure to the molecular structure of acetone,CH3COCH3 (more important > less important).

Instructions: Consider the molecules below to answer the following question. -Refer to instructions.Which of the following is an accurate description of the noncovalent interactions between like molecules?

Write an equation for the reaction of boron trifluoride,an important reagent in organic chemistry,with trimethylamine.Represent the movement of electrons with a curved arrow,and show the formal charges on the atoms in the product.

Instructions: Label the acid and base in each reaction below. -Label:

Instructions: Refer to the following equation to answer the question(s)below. -Refer to instructions.The strongest Brønsted-Lowry base in the equation is indicated by letter _____.

Instructions: Consider the reaction below to answer the following question. -Refer to instructions.Using the curved arrow formalism,show the flow of electrons for this reaction.

Identify the reactants and product in the reaction below as acids or bases and specify whether they are Lewis and/or Brønsted-Lowry.

Draw a Lewis structure for each of the following.

Write an equation for the reaction of the alkaloid ephedrine with a proton,showing the structure of its conjugate base.

Which of the following statements is not true regarding resonance structures?

Instructions: Refer to the following equation to answer the question(s)below. -Refer to instructions.Will this reaction take place as written in the forward direction? Explain.

Consider the structure of acetic acid shown below. In the electrostatic potential map of acetic acid,in which of the following bonds would the terminal atom appear as the deepest shade of red?

Guanidine is a fairly strong amine base that is attached to the amino acid arginine.Draw three resonance forms for the conjugate acid of guanidine.

The following shows an intermediate used in a Grignard synthesis.Which atom will inductively donate electrons in this species?

Use the curved arrow method to show the electron movement,and label the acid,base,conjugate acid,and conjugate base.

Structure and Bonding

Organic Compounds: Alkanes and Their Stereochemistry

Organic Compounds: Cycloalkanes and Their Stereochemistry

Stereochemistry at Tetrahedral Centers

An Overview of Organic Reactions

Alkenes and Alkynes

Reactions of Alkenes and Alkynes

Aromatic Compounds

Structure Determination: Mass Spectrometry,infrared Spectroscopy,and Ultraviolet Spectroscopy

Structure Determination: Nuclear Magnetic Resonance Spectroscopy

Organohalides: Nucleophilic Substitutions and Eliminations

Alcohols,phenols,and Thiols: Ethers and Sulfides

Aldehydes and Ketones: Nucleophilic Addition Reactions

Carboxylic Acids and Nitriles

Carboxylic Acid Derivatives: Nucleophilic Acyl Substitution Reactions

Carbonyl Alpha-Substitution and Condensation Reactions

Amines and Heterocycles

Biomolecules: Amino Acids,peptides,and Proteins

Amino Acid Metabolism

Biomolecules: Carbohydrates

Carbohydrate Metabolism

Biomolecules: Lipids and Their Metabolism

Biomolecules: Nucleic Acids and Their Metabolism

Filters

Rank the following in order of decreasing importance as a contributing resonance structure to the molecular structure of acetone,CH₃COCH₃ (more important > less important).