Question 1

Predict the chemical shifts for the signals in the 1H NMR spectrum for the following compound.

Accepted Answer

Question 2

How many signals would you expect in the 1H NMR spectrum of the following compound?

Accepted Answer

Question 3

How many signals would you expect in the 1H NMR spectrum of CH3OCH2CH2OCH3?

Accepted Answer

A)   1
B)   2
C)   3
D)   4
E)   5F) A) and D)
G) A) and C)

Question 4

Propose a structure for a compound, with molecular formula C6H10O, that fits the following spectroscopic data:
IR: 3400 cm-1(broad), 3250 cm-1(sharp), 2150 cm-1
1H NMR: 1.0 $\delta$  (triplet, 3H), 1.5 $\delta$  (singlet, 3H), 1.6 $\delta$  (quartet, 2H), 2.0 $\delta$  (singlet, 1H), 2.5 $\delta$  (singlet, 1H)
13C NMR: 4.1, 26, 35, 67.6, 69.4

Accepted Answer

The answer of Propose a structure for a compound, with...

Question 5

Predict the multiplicity of each signal in the expected 1H NMR spectrum of 2,3-dimethyl-2-pentanol.

Accepted Answer

Question 6

A compound with molecular formula C8H10O has the following 1H NMR spectrum. Which of the following is the correct number of protons giving rise to each signal.

Accepted Answer

I – 3H, II...

Question 7

Which of the following compounds will display a singlet, a triplet and a quartet in its 1H NMR spectrum?

Accepted Answer

A)   2-chloro-4-methylpentane
B)   3-chloro-2-methylpentane
C)   3-chloropentane
D)   1-chloro-2,2-dimethylbutane
E)   3-chloro-3-methylpentaneF) A) and C)
G) C) and D)

Question 8

Which of the following displays a signal in the DEPT-90 13C NMR spectroscopy?

Accepted Answer

A)   CH3
B)   CH2
C)   CH
D)   C
E)   none of theseF) C) and D)
G) A) and D)

Question 9

A compound with molecular formula C10H14 displays the following IR, 1H NMR, 13C NMR spectra. Propose a structure for this compound.

SDBS

Accepted Answer

Question 10

How many signals would you expect to find in the 13C NMR spectrum of the following compound? 13C NMR spectrum of the following compound?   A)  6 B)  7 C)  8 D)  9 E)  10" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   6
B)   7
C)   8
D)   9
E)   10F) B) and D)
G) C) and D) B

Question 11

Which of the following is the best prediction of the chemical shifts for the signals in the 1H NMR spectrum for the following compound? 1H NMR spectrum for the following compound?   A)  I = 3.9 ppm, II = 4.2 ppm, III = 2.2 ppm, IV = 3.4 ppm B)  I = 3.4 ppm, II = 2.2 ppm, III = 2.2 ppm, IV = 3.4 ppm C)  I = 3.4 ppm, II = 2.2 ppm, III = 4.2 ppm, IV = 3.4 ppm D)  I = 3.4 ppm, II = 4.2 ppm, III = 4.2 ppm, IV = 3.4 ppm E)  none of these" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   I = 3.9 ppm, II = 4.2 ppm, III = 2.2 ppm, IV = 3.4 ppm
B)   I = 3.4 ppm, II = 2.2 ppm, III = 2.2 ppm, IV = 3.4 ppm
C)   I = 3.4 ppm, II = 2.2 ppm, III = 4.2 ppm, IV = 3.4 ppm
D)   I = 3.4 ppm, II = 4.2 ppm, III = 4.2 ppm, IV = 3.4 ppm
E)   none of theseF) None of the above
G) D) and E)

Question 12

A compound with a molecular formula of C8H16O has the following 1H NMR spectrum. Provide a structure that is consistent with this spectrum.
SHAPE \* MERGEFORMAT

Accepted Answer

Question 13

Which of the following compounds will display only two singlets in its 1H NMR spectrum? 1H NMR spectrum?   A)  I B)  II C)  III D)  IV E)  V" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   I
B)   II
C)   III
D)   IV
E)   VF) C) and D)
G) None of the above

Question 14

Determine the multiplicity of each signal in the expected 1H NMR spectrum of the following compound.

Accepted Answer

Question 15

How many 1H NMR signals does 2-chloro-3-methyl-2-butene exhibit?

Accepted Answer

A)   1
B)   2
C)   3
D)   4
E)   5F) D) and E)
G) A) and B)

Question 16

Which of the following does not display a signal in the DEPT-135 13C NMR spectroscopy?

Accepted Answer

A)   CH3
B)   CH2
C)   CH
D)   C
E)   none of theseF) C) and D)
G) A) and B)

Question 17

Determine the multiplicity of each signal in the expected 1H NMR spectrum of the following compound.

Accepted Answer

Question 18

How many signals would you expect in the 1H NMR spectrum of the following compound?

Accepted Answer

3

Question 19

A compound with a molecular formula C8H15ClO3 has the following 1H NMR spectrum. The IR spectrum shows a strong absorption at 1800 cm-1. Which of the following structures is consistent with this spectrum? 8H15ClO3 has the following 1H NMR spectrum. The IR spectrum shows a strong absorption at 1800 cm-1. Which of the following structures is consistent with this spectrum?     A)  I B)  II C)  III D)  IV E)  none of these" class="answers-bank-image d-inline" rel="preload" > 8H15ClO3 has the following 1H NMR spectrum. The IR spectrum shows a strong absorption at 1800 cm-1. Which of the following structures is consistent with this spectrum?     A)  I B)  II C)  III D)  IV E)  none of these" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   I
B)   II
C)   III
D)   IV
E)   none of theseF) B) and E)
G) C) and D)

Question 20

Draw a structure, with a formula of C4H9Br, which has an integration of 3H, 2H, 2H, and 2H.

Accepted Answer

Exam 15: Nuclear Magnetic Resonance Spectroscopy

Predict the chemical shifts for the signals in the ¹H NMR spectrum for the following compound.

Correct Answer
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How many signals would you expect in the ¹H NMR spectrum of the following compound?

Correct Answer
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How many signals would you expect in the ¹H NMR spectrum of CH₃OCH₂CH₂OCH₃?

Correct Answer
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Correct Answer
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11ea894b_ad07_2367_bba7_017f82bda289_TB4454_00_TB4454_00

Predict the multiplicity of each signal in the expected ¹H NMR spectrum of 2,3-dimethyl-2-pentanol.

Correct Answer
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A compound with molecular formula C₈H₁₀O has the following ¹H NMR spectrum. Which of the following is the correct number of protons giving rise to each signal.

Correct Answer
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I – 3H, II...
View Answer

Which of the following compounds will display a singlet, a triplet and a quartet in its ¹H NMR spectrum?

Correct Answer
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Which of the following displays a signal in the DEPT-90 ¹³C NMR spectroscopy?

Correct Answer
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A compound with molecular formula C₁₀H₁₄ displays the following IR, ¹H NMR, ¹³C NMR spectra. Propose a structure for this compound. SDBS

Correct Answer
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How many signals would you expect to find in the ¹³C NMR spectrum of the following compound?

Correct Answer
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B

Which of the following is the best prediction of the chemical shifts for the signals in the ¹H NMR spectrum for the following compound?

Correct Answer
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Correct Answer
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Which of the following compounds will display only two singlets in its ¹H NMR spectrum?

Correct Answer
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Determine the multiplicity of each signal in the expected ¹H NMR spectrum of the following compound.

Correct Answer
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How many ¹H NMR signals does 2-chloro-3-methyl-2-butene exhibit?

Correct Answer
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Which of the following does not display a signal in the DEPT-135 ¹³C NMR spectroscopy?

Correct Answer
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Determine the multiplicity of each signal in the expected ¹H NMR spectrum of the following compound.

Correct Answer
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How many signals would you expect in the ¹H NMR spectrum of the following compound?

Correct Answer
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3

A compound with a molecular formula C₈H₁₅ClO₃ has the following ¹H NMR spectrum. The IR spectrum shows a strong absorption at 1800 cm^-1. Which of the following structures is consistent with this spectrum?

Correct Answer
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Draw a structure, with a formula of C₄H₉Br, which has an integration of 3H, 2H, 2H, and 2H.

Correct Answer
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Exam 15: Nuclear Magnetic Resonance Spectroscopy

Predict the chemical shifts for the signals in the 1H NMR spectrum for the following compound.

Correct AnswerverifiedShow Answer

How many signals would you expect in the 1H NMR spectrum of the following compound?

Correct AnswerverifiedShow Answer

How many signals would you expect in the 1H NMR spectrum of CH3OCH2CH2OCH3?

Correct AnswerverifiedShow Answer

Correct Answerverified11ea894b_ad07_2367_bba7_017f82bda289_TB4454_00_TB4454_00

Predict the multiplicity of each signal in the expected 1H NMR spectrum of 2,3-dimethyl-2-pentanol.

Correct AnswerverifiedShow Answer

A compound with molecular formula C8H10O has the following 1H NMR spectrum. Which of the following is the correct number of protons giving rise to each signal.

Correct AnswerverifiedI – 3H, II...View AnswerShow Answer

Which of the following compounds will display a singlet, a triplet and a quartet in its 1H NMR spectrum?

Correct AnswerverifiedShow Answer

Which of the following displays a signal in the DEPT-90 13C NMR spectroscopy?

Correct AnswerverifiedShow Answer

A compound with molecular formula C10H14 displays the following IR, 1H NMR, 13C NMR spectra. Propose a structure for this compound. SDBS

Correct AnswerverifiedShow Answer

How many signals would you expect to find in the 13C NMR spectrum of the following compound?

Correct AnswerverifiedB

Which of the following is the best prediction of the chemical shifts for the signals in the 1H NMR spectrum for the following compound?

Correct AnswerverifiedShow Answer

A compound with a molecular formula of C8H16O has the following 1H NMR spectrum. Provide a structure that is consistent with this spectrum. SHAPE \* MERGEFORMAT

Correct AnswerverifiedShow Answer

Which of the following compounds will display only two singlets in its 1H NMR spectrum?

Correct AnswerverifiedShow Answer

Determine the multiplicity of each signal in the expected 1H NMR spectrum of the following compound.

Correct AnswerverifiedShow Answer

How many 1H NMR signals does 2-chloro-3-methyl-2-butene exhibit?

Correct AnswerverifiedShow Answer

Which of the following does not display a signal in the DEPT-135 13C NMR spectroscopy?

Correct AnswerverifiedShow Answer

Determine the multiplicity of each signal in the expected 1H NMR spectrum of the following compound.

Correct AnswerverifiedShow Answer

How many signals would you expect in the 1H NMR spectrum of the following compound?

Correct Answerverified3

A compound with a molecular formula C8H15ClO3 has the following 1H NMR spectrum. The IR spectrum shows a strong absorption at 1800 cm-1. Which of the following structures is consistent with this spectrum?

Correct AnswerverifiedShow Answer

Draw a structure, with a formula of C4H9Br, which has an integration of 3H, 2H, 2H, and 2H.

Correct AnswerverifiedShow Answer

Predict the chemical shifts for the signals in the ¹H NMR spectrum for the following compound.

Correct Answer
verified

How many signals would you expect in the ¹H NMR spectrum of the following compound?

Correct Answer
verified

How many signals would you expect in the ¹H NMR spectrum of CH₃OCH₂CH₂OCH₃?

Correct Answer
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Correct Answer
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11ea894b_ad07_2367_bba7_017f82bda289_TB4454_00_TB4454_00

Predict the multiplicity of each signal in the expected ¹H NMR spectrum of 2,3-dimethyl-2-pentanol.

Correct Answer
verified

A compound with molecular formula C₈H₁₀O has the following ¹H NMR spectrum. Which of the following is the correct number of protons giving rise to each signal.

Correct Answer
verified
I – 3H, II...
View Answer

Which of the following compounds will display a singlet, a triplet and a quartet in its ¹H NMR spectrum?

Correct Answer
verified

Which of the following displays a signal in the DEPT-90 ¹³C NMR spectroscopy?

Correct Answer
verified

A compound with molecular formula C₁₀H₁₄ displays the following IR, ¹H NMR, ¹³C NMR spectra. Propose a structure for this compound. SDBS

Correct Answer
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How many signals would you expect to find in the ¹³C NMR spectrum of the following compound?

Correct Answer
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B

Which of the following is the best prediction of the chemical shifts for the signals in the ¹H NMR spectrum for the following compound?

Correct Answer
verified

Correct Answer
verified

Which of the following compounds will display only two singlets in its ¹H NMR spectrum?

Correct Answer
verified

Determine the multiplicity of each signal in the expected ¹H NMR spectrum of the following compound.

Correct Answer
verified

How many ¹H NMR signals does 2-chloro-3-methyl-2-butene exhibit?

Correct Answer
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Which of the following does not display a signal in the DEPT-135 ¹³C NMR spectroscopy?

Correct Answer
verified

Determine the multiplicity of each signal in the expected ¹H NMR spectrum of the following compound.

Correct Answer
verified

How many signals would you expect in the ¹H NMR spectrum of the following compound?

Correct Answer
verified
3

A compound with a molecular formula C₈H₁₅ClO₃ has the following ¹H NMR spectrum. The IR spectrum shows a strong absorption at 1800 cm^-1. Which of the following structures is consistent with this spectrum?

Correct Answer
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Draw a structure, with a formula of C₄H₉Br, which has an integration of 3H, 2H, 2H, and 2H.

Correct Answer
verified