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Deck 13: Aldehydes and Ketones-Nucleophilic Addition
ملء الشاشة (f)
سؤال
What is the product of the following reaction? 
A) III
B) I
C) II
D) IV
A) III
B) I
C) II
D) IV
سؤال
What is the product of the following reaction? 
A) IV
B) I
C) II
D) III
A) IV
B) I
C) II
D) III
سؤال
How would the following compounds be distinguishable using IR and 1H NMR spectroscopy? 
A) The1H NMR spectrum of compound I will have two singlets.
B) The1H NMR spectrum of compound II will have one triplet at a chemical shift of about 4.
C) The1H NMR spectrum of compound I will have two singlets AND the C=O absorption in the IR spectrum of compound I will be at a higher wave number than that of compound II.
D) The C=O absorption in the IR spectrum of compound I will be at a higher wave number than that of compound II.
A) The1H NMR spectrum of compound I will have two singlets.
B) The1H NMR spectrum of compound II will have one triplet at a chemical shift of about 4.
C) The1H NMR spectrum of compound I will have two singlets AND the C=O absorption in the IR spectrum of compound I will be at a higher wave number than that of compound II.
D) The C=O absorption in the IR spectrum of compound I will be at a higher wave number than that of compound II.
سؤال
What is the product? 
A) II
B) I
C) III
D) IV
A) II
B) I
C) III
D) IV
سؤال
What is the IUPAC name for the following compound? 
A) Tert-butyl aldehyde
B) 2,2-Dimethylpropanal
C) Pivaldehyde
D) 2,2-Dimethylpentanal
A) Tert-butyl aldehyde
B) 2,2-Dimethylpropanal
C) Pivaldehyde
D) 2,2-Dimethylpentanal
سؤال
What is the product of the following reaction? 
A) IV
B) I
C) II
D) III
A) IV
B) I
C) II
D) III
سؤال
What needs to be done to make the following reaction proceed? 
A) Add an acid catalyst only.
B) Heat the reaction and add an acid catalyst.
C) Heat the reaction.
D) Add a base catalyst only.
A) Add an acid catalyst only.
B) Heat the reaction and add an acid catalyst.
C) Heat the reaction.
D) Add a base catalyst only.
سؤال
Name the following aldehyde. 
A) 1-Methylcyclopentanylcarbaldehyde
B) 2-Methylcyclopentanecarbaldehyde
C) 1-Methylcyclopentanal
D) 2-Methylcyclopentanal
A) 1-Methylcyclopentanylcarbaldehyde
B) 2-Methylcyclopentanecarbaldehyde
C) 1-Methylcyclopentanal
D) 2-Methylcyclopentanal
سؤال
What is the major product of the following reaction? 
A) III
B) II
C) IV
D) I
A) III
B) II
C) IV
D) I
سؤال
سؤال
What is the product of the following reaction? 
A) III
B) II
C) IV
D) I
A) III
B) II
C) IV
D) I
سؤال
What is the major product of the following reaction? 
A) III
B) II
C) IV
D) I
A) III
B) II
C) IV
D) I
سؤال
سؤال
What is the product of the following reaction? 
A) IV
B) II
C) I
D) III
A) IV
B) II
C) I
D) III
سؤال
What is the product of the following reaction? 
A) II
B) IV
C) I
D) III
A) II
B) IV
C) I
D) III
سؤال
سؤال
What is the product of the following reaction? 
A) I
B) III
C) IV
D) II
A) I
B) III
C) IV
D) II
سؤال
What is the product of the following reaction? 
A) IV
B) II
C) I
D) III
A) IV
B) II
C) I
D) III
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العب
ملء الشاشة (f)
Deck 13: Aldehydes and Ketones-Nucleophilic Addition
1
What is the product of the following reaction?
A) III
B) I
C) II
D) IV
A) III
B) I
C) II
D) IV
I
2
What is the product of the following reaction?
A) IV
B) I
C) II
D) III
A) IV
B) I
C) II
D) III
I
3
How would the following compounds be distinguishable using IR and 1H NMR spectroscopy?
A) The1H NMR spectrum of compound I will have two singlets.
B) The1H NMR spectrum of compound II will have one triplet at a chemical shift of about 4.
C) The1H NMR spectrum of compound I will have two singlets AND the C=O absorption in the IR spectrum of compound I will be at a higher wave number than that of compound II.
D) The C=O absorption in the IR spectrum of compound I will be at a higher wave number than that of compound II.
A) The1H NMR spectrum of compound I will have two singlets.
B) The1H NMR spectrum of compound II will have one triplet at a chemical shift of about 4.
C) The1H NMR spectrum of compound I will have two singlets AND the C=O absorption in the IR spectrum of compound I will be at a higher wave number than that of compound II.
D) The C=O absorption in the IR spectrum of compound I will be at a higher wave number than that of compound II.
The1H NMR spectrum of compound I will have two singlets AND the C=O absorption in the IR spectrum of compound I will be at a higher wave number than that of compound II.
4
What is the product?
A) II
B) I
C) III
D) IV
A) II
B) I
C) III
D) IV
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5
What is the IUPAC name for the following compound?
A) Tert-butyl aldehyde
B) 2,2-Dimethylpropanal
C) Pivaldehyde
D) 2,2-Dimethylpentanal
A) Tert-butyl aldehyde
B) 2,2-Dimethylpropanal
C) Pivaldehyde
D) 2,2-Dimethylpentanal
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6
What is the product of the following reaction?
A) IV
B) I
C) II
D) III
A) IV
B) I
C) II
D) III
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7
What needs to be done to make the following reaction proceed?
A) Add an acid catalyst only.
B) Heat the reaction and add an acid catalyst.
C) Heat the reaction.
D) Add a base catalyst only.
A) Add an acid catalyst only.
B) Heat the reaction and add an acid catalyst.
C) Heat the reaction.
D) Add a base catalyst only.
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8
Name the following aldehyde.
A) 1-Methylcyclopentanylcarbaldehyde
B) 2-Methylcyclopentanecarbaldehyde
C) 1-Methylcyclopentanal
D) 2-Methylcyclopentanal
A) 1-Methylcyclopentanylcarbaldehyde
B) 2-Methylcyclopentanecarbaldehyde
C) 1-Methylcyclopentanal
D) 2-Methylcyclopentanal
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9
What is the major product of the following reaction?
A) III
B) II
C) IV
D) I
A) III
B) II
C) IV
D) I
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10
What is the driving force for the Wittig reaction?
A) The elimination of triphenylphosphine oxide
B) The formation of an alkene
C) The formation of a phosphonium salt
D) The deprotonation of a phosphonium salt
A) The elimination of triphenylphosphine oxide
B) The formation of an alkene
C) The formation of a phosphonium salt
D) The deprotonation of a phosphonium salt
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11
What is the product of the following reaction?
A) III
B) II
C) IV
D) I
A) III
B) II
C) IV
D) I
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12
What is the major product of the following reaction?
A) III
B) II
C) IV
D) I
A) III
B) II
C) IV
D) I
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13
Using1H NMR spectroscopy, how can you tell the difference between an aldehyde and a ketone?
A) A ketone has a signal around 200 ppm.
B) An aldehyde has a C-H stretch (one or two) between 2700-2830 cm-1.
C) A ketone has signals around 2-3 ppm.
D) An aldehyde has a proton signal between 9-10 ppm.
A) A ketone has a signal around 200 ppm.
B) An aldehyde has a C-H stretch (one or two) between 2700-2830 cm-1.
C) A ketone has signals around 2-3 ppm.
D) An aldehyde has a proton signal between 9-10 ppm.
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14
What is the product of the following reaction?
A) IV
B) II
C) I
D) III
A) IV
B) II
C) I
D) III
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15
What is the product of the following reaction?
A) II
B) IV
C) I
D) III
A) II
B) IV
C) I
D) III
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16
Butanal (MW= 72) has a boiling point of 76 °C while butanol (MW= 74) has a boiling point of 118 °C. What accounts for this difference in boiling points?
A) Butanal is less sterically hindered than butanol.
B) Butanol is polar while butanal is not polar.
C) Butanol can exhibit dipole-dipole interactions while butanal cannot.
D) Butanol can hydrogen bond and butanal cannot hydrogen bond.
A) Butanal is less sterically hindered than butanol.
B) Butanol is polar while butanal is not polar.
C) Butanol can exhibit dipole-dipole interactions while butanal cannot.
D) Butanol can hydrogen bond and butanal cannot hydrogen bond.
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17
What is the product of the following reaction?
A) I
B) III
C) IV
D) II
A) I
B) III
C) IV
D) II
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18
What is the product of the following reaction?
A) IV
B) II
C) I
D) III
A) IV
B) II
C) I
D) III
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