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How many chemically distinct hydrogen atoms are in the following molecule? How many chemically distinct hydrogen atoms are in the following molecule?   A) Two types B) Three types C) Four types D) Five types E) Six types


A) Two types
B) Three types
C) Four types
D) Five types
E) Six types

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Which hydrogen in the following molecule has the greatest integration value? Which hydrogen in the following molecule has the greatest integration value?

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Which proton in the following molecule has the greatest chemical shift? Which proton in the following molecule has the greatest chemical shift?

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Is a chlorine or a bromine present in the molecule responsible for the following mass spectrum? Explain how you know. Is a chlorine or a bromine present in the molecule responsible for the following mass spectrum? Explain how you know.

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Bromine is present b...

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Which hydrogen type has the greatest integration value? Which hydrogen type has the greatest integration value?   A) H<sub>A</sub> B) H<sub>B</sub> C) H<sub>C</sub> D) H<sub>D</sub> E) H<sub>E</sub>


A) HA
B) HB
C) HC
D) HD
E) HE

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Which hydrogen atom has the greatest chemical shift? Which hydrogen atom has the greatest chemical shift?   A) H<sub>A</sub> B) H<sub>B</sub> C) H<sub>C</sub> D) H<sub>D</sub> E) H<sub>E</sub>


A) HA
B) HB
C) HC
D) HD
E) HE

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What is the expected splitting pattern for the indicated hydrogen? What is the expected splitting pattern for the indicated hydrogen?   A) Singlet B) Doublet C) Triplet D) Quartet E) Quintet


A) Singlet
B) Doublet
C) Triplet
D) Quartet
E) Quintet

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Which molecule has a triplet of doublets in its 1H NMR spectrum? Which molecule has a triplet of doublets in its <sup>1</sup>H NMR spectrum?   A) I B) II C) III D) IV E) V


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

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For the following molecule,give the splitting patterns for HA and HB. For the following molecule,give the splitting patterns for H<sub>A</sub> and H<sub>B</sub>.

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HA is a double of qua...

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The mass spectrum for an unknown molecule has an M+ peak with a relative intensity of 100 and an M + 1 peak with a relative intensity of 5.5.How many carbons are in the unknown molecule?

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Which compound would produce the 1H NMR spectrum below? Which compound would produce the <sup>1</sup>H NMR spectrum below?     A) I B) II C) III D) IV E) V Which compound would produce the <sup>1</sup>H NMR spectrum below?     A) I B) II C) III D) IV E) V


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

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Which molecule does not have a doublet of doublets in its 1H NMR spectrum? Which molecule does not have a doublet of doublets in its <sup>1</sup>H NMR spectrum?   A) I B) II C) III D) IV E) V


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

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Explain how the two following isomers can be distinguished using 1H NMR without using a standard for comparison. Explain how the two following isomers can be distinguished using <sup>1</sup>H NMR without using a standard for comparison.

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The two isomers have a cis-trans relatio...

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Sketch a predicted 1H NMR spectrum for the following molecule. Sketch a predicted <sup>1</sup>H NMR spectrum for the following molecule.

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Draw a splitting diagram for HA and indicate the expected splitting pattern. Draw a splitting diagram for H<sub>A</sub> and indicate the expected splitting pattern.

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HA is a dou...

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Sketch a predicted 1H NMR spectrum for the following molecule. Sketch a predicted <sup>1</sup>H NMR spectrum for the following molecule.

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Which compound would produce the 1H NMR spectrum below? Which compound would produce the <sup>1</sup>H NMR spectrum below?     A) I B) II C) III D) IV E) V Which compound would produce the <sup>1</sup>H NMR spectrum below?     A) I B) II C) III D) IV E) V


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

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Which of the following molecules would have a quartet at 3.5 ppm? Which of the following molecules would have a quartet at 3.5 ppm?   A) I B) II C) III D) IV E) V


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

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Which will produce the largest coupling constant? Which will produce the largest coupling constant?   A) H<sub>A</sub> coupling to H<sub>B</sub> B) H<sub>A</sub> coupling to H<sub>C</sub> C) H<sub>B</sub> coupling to H<sub>C</sub> D) H<sub>C</sub> coupling to H<sub>D</sub> E) H<sub>D</sub> coupling to H<sub>E</sub>


A) HA coupling to HB
B) HA coupling to HC
C) HB coupling to HC
D) HC coupling to HD
E) HD coupling to HE

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How many distinct 13C NMR signals are expected for the following compound? How many distinct <sup>13</sup>C NMR signals are expected for the following compound?

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