Question 1

Why is the enolate of acetone less basic than the allyl anion derived from propene?

Accepted Answer

A) Because there are more atoms in acetone 
B) Because there are more resonance structures for the enolate of acetone 
C) It isn't; the allyl anion is less basic. 
D) One of the resonance structures for the enolate places the negative charge on the more electronegative oxygen. 
A) Because there are more atoms in acetone 
B) Because there are more resonance structures for the enolate of acetone 
C) It isn't; the allyl anion is less basic. 
D) One of the resonance structures for the enolate places the negative charge on the more electronegative oxygen.

Question 2

Which of the following is the most acidic compound?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
A) I 
B) II 
C) III 
D) IV

Question 3

A simple chemical test to distinguish between acetone and 3-pentanone would be the reaction of the compounds with

Accepted Answer

A) bromine with acetic acid. 
B) bromine and aqueous hydroxide ion. 
C) THF,LDA at -78 °C followed by reaction with bromine. 
D) base and methyl bromide. 
A) bromine with acetic acid. 
B) bromine and aqueous hydroxide ion. 
C) THF,LDA at -78 °C followed by reaction with bromine. 
D) base and methyl bromide.

Question 4

What is the product of the following reaction?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
A) I 
B) II 
C) III 
D) IV

Question 5

Which of the following compounds would undergo racemization in the presence of a base?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
A) I 
B) II 
C) III 
D) IV

Question 6

Which of the following is the least acidic compound?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
A) I 
B) II 
C) III 
D) IV

Question 7

Will acetone be completely deprotonated by potassium tert-butoxide?

Accepted Answer

A) Yes 
B) No 
A) Yes 
B) No

Why is the enolate of acetone less basic than the allyl anion derived from propene?

Which of the following is the most acidic compound?

A simple chemical test to distinguish between acetone and 3-pentanone would be the reaction of the compounds with

What is the product of the following reaction?

Which of the following compounds would undergo racemization in the presence of a base?

Which of the following is the least acidic compound?

Will acetone be completely deprotonated by potassium tert-butoxide?

Structure and Bonding

Acids and Bases

Introduction to Organic Molecules and Functional Groups

Alkanes

Stereochemistry

Understanding Organic Reactions

Alkyl Halides and Nucleophilic Substitution

Alkyl Halides and Elimination Reactions

Alcohols,ethers,and Related Compounds

Alkenes and Addition Reactions

Alkynes and Synthesis

Oxidation and Reduction

Radical Reactions

Conjugation,resonance,and Dienes

Benzene and Aromatic Compounds

Reactions of Aromatic Compounds

Introduction to Carbonyl Chemistry; Organometallic Reagents; Oxidation and Reduction

Aldehydes and Ketones - Nucleophilic Addition

Carboxylic Acids and the Acidity of the O-H Bond

Carboxylic Acids and Their Derivatives Nucleophilic Acyl Substitution

Carbonyl Condensation Reactions

Amines

Carbon-Carbon Bond-Forming Reactions in Organic Synthesis

Pericyclic Reactions

Carbohydrates

Amino Acids and Proteins

Synthetic Polymers

Lipids

Spectroscopy A: Mass Spectrometry

Spectroscopy B: Infrared Spectroscopy

Spectroscopy C: Nuclear Magnetic Resonance Spectroscopy

Filters

Exam 21: Substitution Reactions of Carbonyl Compounds at the a Carbon

Why is the enolate of acetone less basic than the allyl anion derived from propene?

Which of the following is the most acidic compound?

A simple chemical test to distinguish between acetone and 3-pentanone would be the reaction of the compounds with

What is the product of the following reaction?

Which of the following compounds would undergo racemization in the presence of a base?

Which of the following is the least acidic compound?

Will acetone be completely deprotonated by potassium tert-butoxide?

Structure and Bonding

Acids and Bases

Introduction to Organic Molecules and Functional Groups

Alkanes

Stereochemistry

Understanding Organic Reactions

Alkyl Halides and Nucleophilic Substitution

Alkyl Halides and Elimination Reactions

Alcohols,ethers,and Related Compounds

Alkenes and Addition Reactions

Alkynes and Synthesis

Oxidation and Reduction

Radical Reactions

Conjugation,resonance,and Dienes

Benzene and Aromatic Compounds

Reactions of Aromatic Compounds

Introduction to Carbonyl Chemistry; Organometallic Reagents; Oxidation and Reduction

Aldehydes and Ketones - Nucleophilic Addition

Carboxylic Acids and the Acidity of the O-H Bond

Carboxylic Acids and Their Derivatives Nucleophilic Acyl Substitution

Carbonyl Condensation Reactions

Amines

Carbon-Carbon Bond-Forming Reactions in Organic Synthesis

Pericyclic Reactions

Carbohydrates

Amino Acids and Proteins

Synthetic Polymers

Lipids

Spectroscopy A: Mass Spectrometry

Spectroscopy B: Infrared Spectroscopy

Spectroscopy C: Nuclear Magnetic Resonance Spectroscopy

Filters