Question 1

Which of the following compounds is the strongest acid?

Accepted Answer

A)  CH4 
B)  CH3CH3 
C)  H2C=CH2 
D)  HCºCH 
A)  CH4 
B)  CH3CH3 
C)  H2C=CH2 
D)  HCºCH

Question 2

Which of the following energy diagrams represents the fastest reaction?

Accepted Answer

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

Question 3

Which of the following is the strongest acid?

Accepted Answer

A)  CH3CH3 
B)  CH3NH2 
C)  CH3OH 
D)  CH3F 
A)  CH3CH3 
B)  CH3NH2 
C)  CH3OH 
D)  CH3F

Question 4

Which of the following is the correct order of decreasing basicity (stronger base > weaker base)?

Accepted Answer

A)  NH3 > MeNH2 > H2O > HF 
B)  MeNH2 > NH3 > MeOH > CH4 
C)  NH3 > Me3N > H2O > MeOH 
D)  CH3COONa > NaOH > NaOMe > NaNMe2 
A)  NH3 > MeNH2 > H2O > HF 
B)  MeNH2 > NH3 > MeOH > CH4 
C)  NH3 > Me3N > H2O > MeOH 
D)  CH3COONa > NaOH > NaOMe > NaNMe2

Question 5

Provide the equation that relates the acid dissociation constant, Ka, to the pKa of an acid.

Accepted Answer

Question 6

Provide the equation for the equilibrium constant, Keq, for the following equilibrium.

Accepted Answer

Question 7

Provide a brief explanation, based on features of the molecules, for the following trend in pKa values?

Accepted Answer

This trend is best understood in terms o

Question 8

Which sets of curved arrows accounts for the protonation of propene with HI?

Accepted Answer

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

Question 9

Which of the following is a feature of a Lewis base?

Accepted Answer

A)  proton donor 
B)  proton acceptor 
C)  electron pair donor 
D)  electron pair acceptor 
A)  proton donor 
B)  proton acceptor 
C)  electron pair donor 
D)  electron pair acceptor

Question 10

What is the value of the equilibrium constant for the following equilibrium?

Accepted Answer

log₁₀K_eq = pK_a(acid) - pK

Question 11

What is the value of the equilibrium constant, Keq, for the following reaction?

Accepted Answer

A)  109 
B)  10-9 
C)  9 
D)  (1/9) 
A)  109 
B)  10-9 
C)  9 
D)  (1/9)

Question 12

Which of the following terms describes the role of ethene in the acid-base reaction shown?

Accepted Answer

A)  Brønsted-Lowry acid 
B)  Brønsted-Lowry base 
C)  Lewis acid 
D)  Lewis base 
A)  Brønsted-Lowry acid 
B)  Brønsted-Lowry base 
C)  Lewis acid 
D)  Lewis base

Question 13

Which of the following is the strongest acid?

Accepted Answer

A)  CH3NH2 
B)  CH3PH2 
C)  CH3OH 
D)  CH3SH 
A)  CH3NH2 
B)  CH3PH2 
C)  CH3OH 
D)  CH3SH

Question 14

Provide a brief explanation, based on features of the molecules, for the following trend in pKa values?

Accepted Answer

This trend is best understood in terms o

Question 15

Use curved arrows to show the movement of pairs of electrons in the following acid-base reaction and show the structures of the conjugate acid and conjugate base.

Accepted Answer

The answer of Use curved arrows to show the movement...

Which of the following compounds is the strongest acid?

Which of the following energy diagrams represents the fastest reaction?

Which of the following is the strongest acid?

Which of the following is the correct order of decreasing basicity (stronger base > weaker base)?

Provide the equation that relates the acid dissociation constant, K_a, to the pK_a of an acid.

Provide the equation for the equilibrium constant, K_eq, for the following equilibrium.

Provide a brief explanation, based on features of the molecules, for the following trend in pK_a values?

Which sets of curved arrows accounts for the protonation of propene with HI?

Which of the following is a feature of a Lewis base?

What is the value of the equilibrium constant for the following equilibrium?

What is the value of the equilibrium constant, K_eq, for the following reaction?

Which of the following terms describes the role of ethene in the acid-base reaction shown?

Which of the following is the strongest acid?

Provide a brief explanation, based on features of the molecules, for the following trend in pK_a values?

Use curved arrows to show the movement of pairs of electrons in the following acid-base reaction and show the structures of the conjugate acid and conjugate base.

Covalent Bonding and Shapes of Molecules

Alkanes and Cycloalkanes

Stereoisomerism and Chirality

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

Filters

Exam 4: Acids and Bases

Which of the following compounds is the strongest acid?

Which of the following energy diagrams represents the fastest reaction?

Which of the following is the strongest acid?

Which of the following is the correct order of decreasing basicity (stronger base > weaker base)?

Provide the equation that relates the acid dissociation constant, Ka, to the pKa of an acid.

Provide the equation for the equilibrium constant, Keq, for the following equilibrium.

Provide a brief explanation, based on features of the molecules, for the following trend in pKa values?

Which sets of curved arrows accounts for the protonation of propene with HI?

Which of the following is a feature of a Lewis base?

What is the value of the equilibrium constant for the following equilibrium?

What is the value of the equilibrium constant, Keq, for the following reaction?

Which of the following terms describes the role of ethene in the acid-base reaction shown?

Which of the following is the strongest acid?

Provide a brief explanation, based on features of the molecules, for the following trend in pKa values?

Use curved arrows to show the movement of pairs of electrons in the following acid-base reaction and show the structures of the conjugate acid and conjugate base.

Covalent Bonding and Shapes of Molecules

Alkanes and Cycloalkanes

Stereoisomerism and Chirality

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

Filters

Provide the equation that relates the acid dissociation constant, K_a, to the pK_a of an acid.

Provide the equation for the equilibrium constant, K_eq, for the following equilibrium.

Provide a brief explanation, based on features of the molecules, for the following trend in pK_a values?

What is the value of the equilibrium constant, K_eq, for the following reaction?

Provide a brief explanation, based on features of the molecules, for the following trend in pK_a values?