Question 1

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

Accepted Answer

Question 2

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...

Question 3

Provide a brief explanation, based on features of the molecules, for the following trend in pKa values?
CH3OH > CH3NH2 > CH3CH3
16 38 51

Accepted Answer

This trend is best understood in terms o

Question 4

Which of the following compounds has the highest pKa?

Accepted Answer

A) NH3 
B) H2O 
C) HCl 
D) CH4 
A) NH3 
B) H2O 
C) HCl 
D) CH4

Question 5

In the following list, there are two organic Lewis bases.

Accepted Answer

A) True 
 B)False

Question 6

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 7

A reaction where $\Delta$G$\circ$ is positive is _____________.

Accepted Answer

Question 8

Which of the following statements is not true?

Accepted Answer

A) "The position of the equilibrium for an exergonic reaction favors products" 
B) "The products of an exergonic reaction have a higher Gibbs free energy than the reactants." 
C) "The equilibrium constant of a reaction for which $\Delta$G$\circ$ = 0 is 1." 
D) "$\Delta$G$\circ$ = $\Delta$H$\circ$-T$\Delta$S$\circ$" 
A) "The position of the equilibrium for an exergonic reaction favors products" 
B) "The products of an exergonic reaction have a higher Gibbs free energy than the reactants." 
C) "The equilibrium constant of a reaction for which $\Delta$G$\circ$ = 0 is 1." 
D) "$\Delta$G$\circ$ = $\Delta$H$\circ$-T$\Delta$S$\circ$"

Question 9

The following correctly shows the electron flow for the given reaction.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following terms describes the role of ethanol 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 11

Use curved arrows to show the movement of pairs of electrons in the following reaction between a Lewis acid and a Lewis base, and show the structure of the product.

Accepted Answer

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

Question 12

Which species is the conjugate acid in the following acid-base reaction?

Accepted Answer

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

Question 13

Complete the equation below for the protonation of cyclohexene with HCl. Show the movement of pairs of electrons with curved arrows and provide the structures of the conjugate acid and conjugate base.

Accepted Answer

The answer of Complete the equation below for the protonation...

Question 14

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

Accepted Answer

log₁₀K_eq = pK_a(acid) - pK

Exam 4: Acids and Bases

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

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.

Provide a brief explanation, based on features of the molecules, for the following trend in pKa values? CH3OH > CH3NH2 > CH3CH3 16 38 51

Which of the following compounds has the highest pKa?

In the following list, there are two organic Lewis bases.

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

A reaction where Δ\DeltaΔ G ∘\circ∘ is positive is _____________.

Which of the following statements is not true?

The following correctly shows the electron flow for the given reaction.

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

Use curved arrows to show the movement of pairs of electrons in the following reaction between a Lewis acid and a Lewis base, and show the structure of the product.

Which species is the conjugate acid in the following acid-base reaction?

Complete the equation below for the protonation of cyclohexene with HCl. Show the movement of pairs of electrons with curved arrows and provide the structures of the conjugate acid and conjugate base.

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

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

Amines

Catalytic Carbon-Carbon Bond Formation

Carbohydrates

Lipids

Amino Acids and Proteins

Nucleic Acids

Organic Polymer Chemistry

Filters

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? CH₃OH > CH₃NH₂ > CH₃CH₃ 16 38 51

Which of the following compounds has the highest pK_a?

A reaction where $\Delta$ G^$\circ$ is positive is _____________.