Question 1

Which of the following compounds is an acetal?

Accepted Answer

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

Question 2

What is the IUPAC name for   ?

Accepted Answer

A)  4-Oxo-5-phenyl-2-hexanol 
B)  5-Hydroxy-2-phenyl-3-hexanone 
C)  2-Hydroxy-5-phenyl-4-hexanone 
D)  2-Hydroxypropyl-1-phenylethyl ketone 
E)  5-Hydroxy-3-keto-2-phenylhexane 
A)  4-Oxo-5-phenyl-2-hexanol 
B)  5-Hydroxy-2-phenyl-3-hexanone 
C)  2-Hydroxy-5-phenyl-4-hexanone 
D)  2-Hydroxypropyl-1-phenylethyl ketone 
E)  5-Hydroxy-3-keto-2-phenylhexane

Question 3

What is the correct IUPAC name for the following compound?

Accepted Answer

A)  5,5-Dimethyl-2-heptanone 
B)  5-Ethyl-5,5-dimethyl-Methyl-2-octanone 
C)  5-Ethyl-5-methyl- 2-hexanone 
D)  5,5-Dimethyl-2-octanone 
E)  3,3-Dimethyl-6-heptanone 
A)  5,5-Dimethyl-2-heptanone 
B)  5-Ethyl-5,5-dimethyl-Methyl-2-octanone 
C)  5-Ethyl-5-methyl- 2-hexanone 
D)  5,5-Dimethyl-2-octanone 
E)  3,3-Dimethyl-6-heptanone

Question 4

A compound with an OH and CN group attached to the same carbon is known as a(n)_____________.

Accepted Answer

The answer of A compound with an OH and CN...

Question 5

Suggest a synthetic strategy for the synthesis of 3-heptanone from 1-bromobutane.

Accepted Answer

The answer of Suggest a synthetic strategy for the synthesis...

Question 6

What is the correct IUPAC name for the following compound?

Accepted Answer

A)  (S)-3-chloro-1-hexanone 
B)  (S)-1-chloro-3-hexanone 
C)  (R)-3-chlorocyclohexanone 
D)  (S)-3-chlorocyclohexanone 
E)  (S)-1-chloro-3-cyclohexanone 
A)  (S)-3-chloro-1-hexanone 
B)  (S)-1-chloro-3-hexanone 
C)  (R)-3-chlorocyclohexanone 
D)  (S)-3-chlorocyclohexanone 
E)  (S)-1-chloro-3-cyclohexanone

Question 7

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 8

Oximes are formed when aldehydes and ketones react with _______________.

Accepted Answer

The answer of Oximes are formed when aldehydes and ketones...

Question 9

The product,H,of the following reaction sequence,   would be:

Accepted Answer

A) 
  
B) 
  
C) 
  
D)  C6H5CH2CH=CHC6H5 
E) 
  
A) 
  
B) 
  
C) 
  
D)  C6H5CH2CH=CHC6H5 
E)

Question 10

Aldehydes are more reactive than ketones towards nucleophilic substitution because of both steric and electronic factors.Briefly explain.
a.Steric reasons: ______________.
b.Electronic reasons: __________.

Accepted Answer

a.aldehydes have the small hydrogen subs

Question 11

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

Accepted Answer

A) 
  
B) 
  
C) 
  
D) 
  
E)  All of the above are syntheses of 3-heptanone. 
A) 
  
B) 
  
C) 
  
D) 
  
E)  All of the above are syntheses of 3-heptanone.

Question 12

Which of the following is formed when 4-methylpentanal reacts with phenylhydrazine?

Accepted Answer

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

Question 13

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

Accepted Answer

A)  4-Methylhexanal 
B)  4-Methyl-1-hexanol 
C)  3-Methylhexanal 
D)  4,10-Dimethyldodecane-6,7-dione 
E)  4,10-Dimethyldodecane-6,7-diol 
A)  4-Methylhexanal 
B)  4-Methyl-1-hexanol 
C)  3-Methylhexanal 
D)  4,10-Dimethyldodecane-6,7-dione 
E)  4,10-Dimethyldodecane-6,7-diol

Question 14

What is the major 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 15

Propose a structure that fits the following spectroscopic data:
C5H10O
IR: 1716 cm−1
Broadband decoupled 13C NMR: 7.93,35.50,212.07 $\delta$
DEPT Experiments show: signal at 7.93  $\delta$as CH3 and signal at 35.50  $\delta$ as CH2

Accepted Answer

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

Question 16

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)  NaBH4,CH3OH 
D)  A & B 
E)  A & C 
A)  Zn(Hg),HCl 
B)  i)HSCH2CH2SH,BF3 ;ii)Raney Ni (H2) 
C)  NaBH4,CH3OH 
D)  A & B 
E)  A & C

Question 17

What is the reactant W in the synthesis given below?

Accepted Answer

A)  Cyclopentanone 
B)  Cyclopentene 
C)  Cyclopentanol 
D)  Bromocyclopentane 
E)  Triphenylphosphine oxide 
A)  Cyclopentanone 
B)  Cyclopentene 
C)  Cyclopentanol 
D)  Bromocyclopentane 
E)  Triphenylphosphine oxide

Question 18

What is the correct IUPAC name for the following compound?

Accepted Answer

A)  5,5-Dimethyl-2-heptanone 
B)  5-Ethyl-5,5-dimethyl-Methyl-2-octanone 
C)  5,5-Dimethylcycloheptanone 
D)  4,4-Dimethylcycloheptanone 
E)  3,3-Dimethylcycloheptanone 
A)  5,5-Dimethyl-2-heptanone 
B)  5-Ethyl-5,5-dimethyl-Methyl-2-octanone 
C)  5,5-Dimethylcycloheptanone 
D)  4,4-Dimethylcycloheptanone 
E)  3,3-Dimethylcycloheptanone

Question 19

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

Accepted Answer

aldehydes

Question 20

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 the above 
A)  2-Heptanone 
B)  3-Heptanone 
C)  2,2-Dimethyl-3-pentanone 
D)  2,4-Dimethyl-3-pentanone 
E)  Two of the above

Exam 16: Aldehydes and Ketones I Nucleophilic Addition to the Carbonyl Group

Which of the following compounds is an acetal?

What is the IUPAC name for ?

What is the correct IUPAC name for the following compound?

A compound with an OH and CN group attached to the same carbon is known as a(n)_____________.

Suggest a synthetic strategy for the synthesis of 3-heptanone from 1-bromobutane.

What is the correct IUPAC name for the following compound?

What would be the product of the following reaction sequence?

Oximes are formed when aldehydes and ketones react with _______________.

The product,H,of the following reaction sequence, would be:

Aldehydes are more reactive than ketones towards nucleophilic substitution because of both steric and electronic factors.Briefly explain. a.Steric reasons: ______________. b.Electronic reasons: __________.

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

Which of the following is formed when 4-methylpentanal reacts with phenylhydrazine?

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

What is the major product of the following reaction sequence?

Propose a structure that fits the following spectroscopic data: C5H10O IR: 1716 cm−1 Broadband decoupled 13C NMR: 7.93,35.50,212.07 δ\deltaδ DEPT Experiments show: signal at 7.93 δ\deltaδ as CH3 and signal at 35.50 δ\deltaδ as CH2

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

What is the reactant W in the synthesis given below?

What is the correct IUPAC name for the following compound?

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

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

Carbon Compounds and Chemical Bonds

Representative Carbon Compounds: Functional Groups, Intermolecular Forces, and Infrared Ir Spectroscopy

An Introduction to Organic Reactions: Acids and Bases

Alkanes: Nomenclature, Conformational Analysis, and an Introduction to Synthesis

Stereochemistry: Chiral Molecules

Ionic Reactions - Nucleophilic Substitution and Elimination Reactions of Alkyl Halides

Alkenes and Alkynes I: Properties and Synthesis, Elimination Reactions of Alkyl Halides

Alkenes and Alkynes Ii: Addition Reactions

Nuclear Magnetic Resonance and Mass Spectrometry: Tools for Structure Determination

Radical Reactions

Alcohols and Ethers

Alcohols From Carbonyl Compounds Oxidation-Reduction and Organometallic Compounds

Conjugated Unsaturated Systems

Aromatic Compounds

Reactions of Aromatic Compounds

Aldehydes and Ketones Ii Aldol Reactions

Carboxylic Acids and Their Derivatives Nucleophilic Addition - Elimination at the Acyl Carbon

Synthesis and Reactions of Beta-Dicarbonyl Compounds: More Chemistry of Enolate Ions

Amines

Phenols and Aryl Halides: Nucleophilic Aromatic Substitution

Carbohydrates

Lipids

Amino Acids and Proteins

Nucleic Acids and Protein Synthesis

Filters

Aldehydes are more reactive than ketones towards nucleophilic substitution because of both steric and electronic factors.Briefly explain. a.Steric reasons: ____. b.Electronic reasons: .

Propose a structure that fits the following spectroscopic data: C₅H₁₀O IR: 1716 cm⁻¹ Broadband decoupled ¹³C NMR: 7.93,35.50,212.07 $\delta$ DEPT Experiments show: signal at 7.93 $\delta$ as CH₃ and signal at 35.50 $\delta$ as CH₂

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