Question 1

Which C6H12O2 compound gives the following 1H NMR spectrum? 6H12O2 compound gives the following 1H NMR spectrum?   A)  1 B)  2 C)  3 D)  4" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   1
B)   2
C)   3
D)   4E) A) and D)
F) All of the above

Question 2

Which C4H9Br compound gives a triplet at approximately 3.5 ppm in the 1H NMR spectrum? 4H9Br compound gives a triplet at approximately 3.5 ppm in the 1H NMR spectrum?   A)  1 B)  2 C)  3 D)  4" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   1
B)   2
C)   3
D)   4E) All of the above
F) C) and D)

Question 3

Which of the following combinations of peaks appears in the 1H NMR spectrum of 2-methylpropane?

Accepted Answer

A)   two singlets
B)   a singlet and a nonet
C)   a singlet and a decet
D)   a doublet and a decetE) A) and C)
F) None of the above

Question 4

Which of the following compounds would give a 1H NMR spectrum consisting of two singlets and a 13C NMR consisting of consisting of three signals? 1H NMR spectrum consisting of two singlets and a 13C NMR consisting of consisting of three signals?   A)  only i B)  only iii C)  only i and iii D)  iii and iv" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   only i
B)   only iii
C)   only i and iii
D)   iii and ivE) A) and C)
F) B) and C)

Question 5

Which feature in the 1H NMR spectrum provides information about the electronic environment of the protons in a compound?

Accepted Answer

A)   number of signals
B)   integral
C)   splitting
D)   chemical shiftE) B) and C)
F) A) and D)

Question 6

Which feature in the 1H NMR spectrum provides information about the relative number of each type of proton in a compound?

Accepted Answer

A)   number of signals
B)   integral
C)   splitting
D)   chemical shiftE) B) and C)
F) A) and D)

Question 7

Which of the following compounds have enantiotopic protons? 1.propane
2.butane
3.2-methylpropane

Accepted Answer

A)   only 1
B)   only 2
C)   only 1 and 2
D)   1, 2 and 3E) B) and C)
F) None of the above

Question 8

Identify the compound (C4H6O2) that gives the following 1H NMR spectrum.

Accepted Answer

methyl pro...

Question 9

Which of the following compounds gives a 1H NMR spectrum consisting of only two triplets and a singlet?

Accepted Answer

A)   CH3CH(OCH3) 2
B)   CH3OCH2CH2CH2CH2OCH3
C)   CH3OCH2CH2OCH3
D)   CH3OCH2CH(OH) CH3E) B) and C)
F) A) and D)

Question 10

What is the hydrogen deficiency index for a compound with a molecular formula of C6H6Br2?

Accepted Answer

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

Question 11

Which C4H9Br compound(s)  gives a 13C NMR spectrum consisting of four signals? 4H9Br compound(s)  gives a 13C NMR spectrum consisting of four signals?   A)  only 1 B)  only 1 and 2 C)  only 2 and 3 D)  1, 2, 3 and 4" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   only 1
B)   only 1 and 2
C)   only 2 and 3
D)   1, 2, 3 and 4E) A) and B)
F) A) and C)

Question 12

Which of the following combinations of peaks appears in the 1H NMR spectrum of diethyl ether, CH3CH2OCH2CH3?

Accepted Answer

A)   a triplet and a doublet
B)   a quartet and a sextet
C)   two singlets
D)   a triplet and a quartetE) A) and B)
F) C) and D)

Question 13

What is the appearance of the signal corresponding to the CH2 protons in the 1H NMR spectrum of ethyl methyl ether, CH3CH2OCH3?

Accepted Answer

A)   a doublet
B)   a triplet
C)   a quartet
D)   a septetE) All of the above
F) None of the above

Exam 13: Nuclear Magnetic Resonance Spectroscopy

What is the appearance of the signal corresponding to the CH₂ protons in the ¹H NMR spectrum of ethyl methyl ether, CH₃CH₂OCH₃?

Correct Answer
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Which C₄H₉Br compound gives a triplet at approximately 3.5 ppm in the ¹H NMR spectrum?

Correct Answer
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Which C₄H₉Br compound(s) gives a ¹³C NMR spectrum consisting of four signals?

Correct Answer
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Which of the following combinations of peaks appears in the ¹H NMR spectrum of diethyl ether, CH₃CH₂OCH₂CH₃?

Correct Answer
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Identify the compound (C₄H₆O₂) that gives the following ¹H NMR spectrum.

Correct Answer
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methyl pro...
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Which C₆H₁₂O₂ compound gives the following ¹H NMR spectrum?

Correct Answer
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Which of the following compounds gives a ¹H NMR spectrum consisting of only two triplets and a singlet?

Correct Answer
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Which of the following compounds would give a ¹H NMR spectrum consisting of two singlets and a ¹³C NMR consisting of consisting of three signals?

Correct Answer
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Which of the following compounds have enantiotopic protons? 1.propane 2.butane 3.2-methylpropane

Correct Answer
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Which of the following combinations of peaks appears in the ¹H NMR spectrum of 2-methylpropane?

Correct Answer
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Which feature in the ¹H NMR spectrum provides information about the electronic environment of the protons in a compound?

Correct Answer
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What is the hydrogen deficiency index for a compound with a molecular formula of C₆H₆Br₂?

Correct Answer
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Which feature in the ¹H NMR spectrum provides information about the relative number of each type of proton in a compound?

Correct Answer
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Exam 13: Nuclear Magnetic Resonance Spectroscopy

What is the appearance of the signal corresponding to the CH2 protons in the 1H NMR spectrum of ethyl methyl ether, CH3CH2OCH3?

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Which C4H9Br compound gives a triplet at approximately 3.5 ppm in the 1H NMR spectrum?

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Which C4H9Br compound(s) gives a 13C NMR spectrum consisting of four signals?

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Which of the following combinations of peaks appears in the 1H NMR spectrum of diethyl ether, CH3CH2OCH2CH3?

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Identify the compound (C4H6O2) that gives the following 1H NMR spectrum.

Correct Answerverifiedmethyl pro...View AnswerShow Answer

Which C6H12O2 compound gives the following 1H NMR spectrum?

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Which of the following compounds gives a 1H NMR spectrum consisting of only two triplets and a singlet?

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Which of the following compounds would give a 1H NMR spectrum consisting of two singlets and a 13C NMR consisting of consisting of three signals?

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Which of the following compounds have enantiotopic protons? 1.propane 2.butane 3.2-methylpropane

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Which of the following combinations of peaks appears in the 1H NMR spectrum of 2-methylpropane?

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Which feature in the 1H NMR spectrum provides information about the electronic environment of the protons in a compound?

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What is the hydrogen deficiency index for a compound with a molecular formula of C6H6Br2?

Correct AnswerverifiedShow Answer

Which feature in the 1H NMR spectrum provides information about the relative number of each type of proton in a compound?

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What is the appearance of the signal corresponding to the CH₂ protons in the ¹H NMR spectrum of ethyl methyl ether, CH₃CH₂OCH₃?

Correct Answer
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Which C₄H₉Br compound gives a triplet at approximately 3.5 ppm in the ¹H NMR spectrum?

Correct Answer
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Which C₄H₉Br compound(s) gives a ¹³C NMR spectrum consisting of four signals?

Correct Answer
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Which of the following combinations of peaks appears in the ¹H NMR spectrum of diethyl ether, CH₃CH₂OCH₂CH₃?

Correct Answer
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Identify the compound (C₄H₆O₂) that gives the following ¹H NMR spectrum.

Correct Answer
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methyl pro...
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Which C₆H₁₂O₂ compound gives the following ¹H NMR spectrum?

Correct Answer
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Which of the following compounds gives a ¹H NMR spectrum consisting of only two triplets and a singlet?

Correct Answer
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Which of the following compounds would give a ¹H NMR spectrum consisting of two singlets and a ¹³C NMR consisting of consisting of three signals?

Correct Answer
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Correct Answer
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Which of the following combinations of peaks appears in the ¹H NMR spectrum of 2-methylpropane?

Correct Answer
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Which feature in the ¹H NMR spectrum provides information about the electronic environment of the protons in a compound?

Correct Answer
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What is the hydrogen deficiency index for a compound with a molecular formula of C₆H₆Br₂?

Correct Answer
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Which feature in the ¹H NMR spectrum provides information about the relative number of each type of proton in a compound?

Correct Answer
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