Question 1

A good synthesis of

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
E) All of these are equally useful. 
A) I 
B) II 
C) III 
D) IV 
E) All of these are equally useful.

Question 2

What is the correct IUPAC name for the following compound?

Accepted Answer

A) 2-Methyl-5-heptanone 
B) 7-Methyl-4-octanone 
C) 6-Isopropyl-4-octanone 
D) Isobutyl propyl ketone 
E) 1,1-Dimethyl-4-heptanone 
A) 2-Methyl-5-heptanone 
B) 7-Methyl-4-octanone 
C) 6-Isopropyl-4-octanone 
D) Isobutyl propyl ketone 
E) 1,1-Dimethyl-4-heptanone

Question 3

Select the structure of the major product in the following reaction.

Accepted Answer

A) cyclopentanol 
B) 1-cyclopentylcyclopentane 
C) cyclopentanone 
D) cyclopentene 
E) 1-(1-hydroxycyclopentyl)-1-hydroxycyclopentane 
A) cyclopentanol 
B) 1-cyclopentylcyclopentane 
C) cyclopentanone 
D) cyclopentene 
E) 1-(1-hydroxycyclopentyl)-1-hydroxycyclopentane

Question 4

The 1H NMR spectrum of a compound with formula C7H14O gives two signals.Which of these structures is a possible one for this compound?

Accepted Answer

A) 2-Heptanone 
B) 3-Heptanone 
C) 2,4-Dimethyl-3-pentanone 
D) 2,2-Dimethyl-3-pentanone 
E) Two of these choices. 
A) 2-Heptanone 
B) 3-Heptanone 
C) 2,4-Dimethyl-3-pentanone 
D) 2,2-Dimethyl-3-pentanone 
E) Two of these choices.

Question 5

A good synthesis of

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
E) All of these are equally useful. 
A) I 
B) II 
C) III 
D) IV 
E) All of these are equally useful.

Question 6

Which of the following procedures would not yield   as a product?

Accepted Answer

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

Question 7

Stereoisomers can exist in the case of which of the following?

Accepted Answer

A) The hydrazone of benzophenone 
B) The oxime of 2-methylcyclopentanone 
C) The phenylhydrazone of 4-methylcyclohexanone 
D) The imine of cyclopentanone 
E) Two of these choices. 
A) The hydrazone of benzophenone 
B) The oxime of 2-methylcyclopentanone 
C) The phenylhydrazone of 4-methylcyclohexanone 
D) The imine of cyclopentanone 
E) Two of these choices.

Question 8

What is the correct structure for 3-methyl-5-(2,5-dinitrophenyl)pentanal?

Accepted Answer

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

Question 9

Which of the following is formed when 3-methylcyclopentanone reacts with hydroxylamine?

Accepted Answer

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

Question 10

Which of the following is not a synthesis of benzophenone,

Accepted Answer

A)    
B)    
C)    
D)    
E) All of these choices will give benzophenone. 
A)    
B)    
C)    
D)    
E) All of these choices will give benzophenone.

Question 11

Select the structure of the major product in the following reaction.

Accepted Answer

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

Question 12

Complete the following reaction sequence,giving structural details of all significant intermediates and the final product.

Accepted Answer

The answer of Complete the following reaction sequence,giving structural details...

Question 13

Which of the following is a synthesis of 3-heptanone?

Accepted Answer

A)    
B)    
C)    
D) 
  
E) All of these choices are syntheses of 3-heptanone. 
A)    
B)    
C)    
D) 
  
E) All of these choices are syntheses of 3-heptanone.

Question 14

Propose a structure that fits the following spectroscopic data:
C4H8O
IR: 1737 cm−1
Broadband decoupled 13C NMR: 15.48,41.07,204.86 $\delta$
DEPT experiments show: signal at 41.07 $\delta$ as CH and signal at 15.48 $\delta$ as CH3

Accepted Answer

The answer of Propose a structure that fits the following...

Question 15

What is the correct structure for (S)-5-bromo-2-heptanone?

Accepted Answer

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

Question 16

Draw a complete mechanism,using arrow convention to indicate electron movement,for the following transformation:

Accepted Answer

The answer of Draw a complete mechanism,using arrow convention to...

Question 17

The 13C NMR spectrum of a compound with formula C7H14O gives three signals.Which of these structures is a possible one for this compound?

Accepted Answer

A) 2-Heptanone 
B) 3-Heptanone 
C) 2,2-Dimethyl-3-pentanone 
D) 2,4-Dimethyl-3-pentanone 
E) Two of these choices. 
A) 2-Heptanone 
B) 3-Heptanone 
C) 2,2-Dimethyl-3-pentanone 
D) 2,4-Dimethyl-3-pentanone 
E) Two of these choices.

Question 18

What would be the product of the following reaction sequence?

Accepted Answer

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

Question 19

The following reduction can be carried out with which reagent(s)?

Accepted Answer

A) Zn(Hg),HCl 
B) i)HSCH2CH2SH,BF3 ; ii)Raney Ni (H2) 
C) H2NNH2,KOH 
D) None of these choices. 
E) All of these choices. 
A) Zn(Hg),HCl 
B) i)HSCH2CH2SH,BF3 ; ii)Raney Ni (H2) 
C) H2NNH2,KOH 
D) None of these choices. 
E) All of these choices.

Question 20

Propose a structure that fits the following spectroscopic data:
C5H10O
IR: 1717 cm−1
Broadband decoupled 13C NMR: 13.70,17.41,29.78,45.71,208.93 $\delta$
DEPT experiments show: signals at 13.70,29.78 $\delta$ as CH3 and signals at 17.41,45.71 $\delta$ as CH2

Accepted Answer

The answer of Propose a structure that fits the following...

Exam 16: Aldehydes and Ketones

A good synthesis of

What is the correct IUPAC name for the following compound?

Select the structure of the major product in the following reaction.

The 1H NMR spectrum of a compound with formula C7H14O gives two signals.Which of these structures is a possible one for this compound?

A good synthesis of

Which of the following procedures would not yield as a product?

Stereoisomers can exist in the case of which of the following?

What is the correct structure for 3-methyl-5-(2,5-dinitrophenyl)pentanal?

Which of the following is formed when 3-methylcyclopentanone reacts with hydroxylamine?

Which of the following is not a synthesis of benzophenone,

Select the structure of the major product in the following reaction.

Complete the following reaction sequence,giving structural details of all significant intermediates and the final product.

Which of the following is a synthesis of 3-heptanone?

Propose a structure that fits the following spectroscopic data: C4H8O IR: 1737 cm−1 Broadband decoupled 13C NMR: 15.48,41.07,204.86 δ\deltaδ DEPT experiments show: signal at 41.07 δ\deltaδ as CH and signal at 15.48 δ\deltaδ as CH3

What is the correct structure for (S)-5-bromo-2-heptanone?

Draw a complete mechanism,using arrow convention to indicate electron movement,for the following transformation:

The 13C NMR spectrum of a compound with formula C7H14O gives three signals.Which of these structures is a possible one for this compound?

What would be the product of the following reaction sequence?

The following reduction can be carried out with which reagent(s)?

Propose a structure that fits the following spectroscopic data: C5H10O IR: 1717 cm−1 Broadband decoupled 13C NMR: 13.70,17.41,29.78,45.71,208.93 δ\deltaδ DEPT experiments show: signals at 13.70,29.78 δ\deltaδ as CH3 and signals at 17.41,45.71 δ\deltaδ as CH2

The Basics

Families of Carbon

Acids and Bases

Nomenclature and Conformations of Alkanes and Cycloalkanes

Stereochemistry

Nucleophilic Reactions

Alkenes and Alkynes I

Alkenes and Alkynes II

Nuclear Magnetic Resonance and Mass Spectrometry

Radical Reactions

Alcohols and Ethers

Alcohols From Carbonyl Compounds

Conjugated Unsaturated Systems

Aromatic Compounds

Reactions of Aromatic Compounds

Carboxylic Acids and Their Derivatives

Reactions at the Α Carbon of Carbonyl Compounds

Condensation and Conjugate Addition Reactions of Carbonyl Compounds

Amines

Transition Metal Complexes

Carbohydrates

Lipids

Amino Acids and Proteins

Nucleic Acids and Protein Synthesis

Filters

The ¹H NMR spectrum of a compound with formula C₇H₁₄O gives two signals.Which of these structures is a possible one for this compound?

Propose a structure that fits the following spectroscopic data: C₄H₈O IR: 1737 cm⁻¹ Broadband decoupled ¹³C NMR: 15.48,41.07,204.86 $\delta$ DEPT experiments show: signal at 41.07 $\delta$ as CH and signal at 15.48 $\delta$ as CH₃

The ¹³C NMR spectrum of a compound with formula C₇H₁₄O gives three signals.Which of these structures is a possible one for this compound?

Propose a structure that fits the following spectroscopic data: C₅H₁₀O IR: 1717 cm⁻¹ Broadband decoupled ¹³C NMR: 13.70,17.41,29.78,45.71,208.93 $\delta$ DEPT experiments show: signals at 13.70,29.78 $\delta$ as CH₃and signals at 17.41,45.71 $\delta$ as CH₂