Question 1

What is the strongest base that can be used with water as a solvent?

Accepted Answer

The answer of What is the strongest base that can...

Question 2

For the following reaction, which reactant functions as an acid?

Accepted Answer

A)  I 
B)  II 
C)  neither 
A)  I 
B)  II 
C)  neither

Question 3

What is the leveling effect?

Accepted Answer

It is the deprotonat

Question 4

Which compound has the most acidic proton? Explain your choice.

Accepted Answer

Compound II.
The conjugate base of both

Question 5

Which of the following compounds is not a Lewis acid?

Accepted Answer

A)  BF3 
B)  FeCl3 
C)  CH3CH2+ 
D)  Ph3P 
E)  none of these 
A)  BF3 
B)  FeCl3 
C)  CH3CH2+ 
D)  Ph3P 
E)  none of these

Question 6

For the following reaction, identify the Lewis acid.

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  Both I & III 
A)  I 
B)  II 
C)  III 
D)  Both I & III

Question 7

For the following reaction, which reactant functions as a base?

Accepted Answer

A)  I 
B)  II 
C)  neither 
A)  I 
B)  II 
C)  neither

Question 8

For the following reaction, which reactant functions as a base?

Accepted Answer

A)  I 
B)  II 
C)  neither 
A)  I 
B)  II 
C)  neither

Question 9

Draw the conjugate base of the following compound.

Accepted Answer

The answer of Draw the conjugate base of the following...

Question 10

The tail of the curved arrow must start at ____ electron density and the head must end at ____ electron density.

Accepted Answer

A)  low, high 
B)  high, high 
C)  low, low 
D)  high, low 
A)  low, high 
B)  high, high 
C)  low, low 
D)  high, low

Question 11

Rank the following protons in decreasing order (most to least) of acidity.

Accepted Answer

A)  II>III>I 
B)  I>II>III 
C)  III>I>II 
D)  III>II>I 
E)  None of these 
A)  II>III>I 
B)  I>II>III 
C)  III>I>II 
D)  III>II>I 
E)  None of these

Question 12

Identify the acid and the base and provide a curved arrow mechanism for the following reaction.

Accepted Answer

The answer of Identify the acid and the base and...

Question 13

The following compound is best classified as a ____.

Accepted Answer

A)  Brønsted-Lowry acid 
B)  Lewis acid 
C)  Brønsted-Lowry base 
D)  Lewis base 
E)  Both C & D 
A)  Brønsted-Lowry acid 
B)  Lewis acid 
C)  Brønsted-Lowry base 
D)  Lewis base 
E)  Both C & D

Question 14

Which is the conjugate acid in the following reaction?

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  Both I & IV 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  Both I & IV

Question 15

What is the counterion in (CH3)3CLi?

Accepted Answer

A)  CH3+ 
B)  CH3- 
C)  C(CH3)3- 
D)  Li+ 
A)  CH3+ 
B)  CH3- 
C)  C(CH3)3- 
D)  Li+

Question 16

For the following acid-base reaction, predict which side the equilibrium is favored.

Accepted Answer

A)  favor right side 
B)  favor left side 
C)  neither 
A)  favor right side 
B)  favor left side 
C)  neither

Question 17

Aspartic acid, an amino acid, has the following structure. Circle the most acidic proton in aspartic acid. Explain your choice.

Accepted Answer

@#IMG-DLM& The conjugate base

Question 18

For the following reaction, which reactant functions as an acid?

Accepted Answer

A)  I 
B)  II 
C)  neither 
A)  I 
B)  II 
C)  neither

Question 19

For the following reaction mechanism, identify the error, if any and describe the modification necessary by drawing the correct mechanism.

Accepted Answer

The first arrow from the lone pair of ox

Question 20

For the following reaction, identify the Lewis acid.

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  Both I & III 
A)  I 
B)  II 
C)  III 
D)  Both I & III

Exam 3: Acids and Bases

What is the strongest base that can be used with water as a solvent?

For the following reaction, which reactant functions as an acid?

What is the leveling effect?

Which compound has the most acidic proton? Explain your choice.

Which of the following compounds is not a Lewis acid?

For the following reaction, identify the Lewis acid.

For the following reaction, which reactant functions as a base?

For the following reaction, which reactant functions as a base?

Draw the conjugate base of the following compound.

The tail of the curved arrow must start at ____ electron density and the head must end at ____ electron density.

Rank the following protons in decreasing order (most to least) of acidity.

Identify the acid and the base and provide a curved arrow mechanism for the following reaction.

The following compound is best classified as a ____.

Which is the conjugate acid in the following reaction?

What is the counterion in (CH3)3CLi?

For the following acid-base reaction, predict which side the equilibrium is favored.

Aspartic acid, an amino acid, has the following structure. Circle the most acidic proton in aspartic acid. Explain your choice.

For the following reaction, which reactant functions as an acid?

For the following reaction mechanism, identify the error, if any and describe the modification necessary by drawing the correct mechanism.

For the following reaction, identify the Lewis acid.

A Review of General Chemistry: Electrons, Bonds, and Molecular Properties

Molecular Representations

Alkanes and Cycloalkanes

Stereoisomerism

Chemical Reactivity and Mechanisms

Substitution Reactions

Alkenes: Structure and Preparation Via Elimination Reactions

Addition Reactions of Alkenes

Alkynes

Radical Reactions

Synthesis

Alcohols and Phenols

Ethers and Epoxides; Thiols and Sulfides

Infrared Spectroscopy and Mass Spectrometry

Nuclear Magnetic Resonance Spectroscopy

Conjugated Pi Systems and Pericyclic Reactions

Aromatic Compounds

Aromatic Substitution Reactions

Aldehydes and Ketones

Carboxylic Acids and Their Derivatives

Alpha Carbon Chemistry: Enols and Enolates

Amines

Carbohydrates

Amino Acids, Peptides, and Proteins

Lipids

Synthetic Polymers

Filters

The tail of the curved arrow must start at electron density and the head must end at electron density.

What is the counterion in (CH₃)₃CLi?