QUI Which of hydrogens a-d in the following molecule gives a doublet signal in its ¹H-NMR spectrum? 11 CH,-C-CH,CH(OCH3)2 h d

Organic Chemistry
9th Edition
ISBN:9781305080485
Author:John E. McMurry
Publisher:John E. McMurry
Chapter19: Aldehydes And Ketones: Nucleophilic Addition Reactions
Section19.SE: Something Extra
Problem 87AP: The proton NMR spectrum for a compound with formula C10H12O2 is shown below. The infrared spectrum...
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5
O b. Five proton environments
O c. Nine proton environments
O d. Six proton environments
QUESTION 5
Which of hydrogens a-d in the following molecule gives a doublet signal in its ¹H-NMR spectrum?
O
CH3-C-CH,CH(OCH3)2
b c d
a
O a. Hydrogen a
O b. Hydrogen c
Qc Hydrogen b
O d. Hydrogen d
QUESTION 6
Which of (a)-(d) indicates the correct order of chemical shifts of the four carbons in the 13C-NMR spectrum
O
CH,=CH-C-0-CH,
Transcribed Image Text:O b. Five proton environments O c. Nine proton environments O d. Six proton environments QUESTION 5 Which of hydrogens a-d in the following molecule gives a doublet signal in its ¹H-NMR spectrum? O CH3-C-CH,CH(OCH3)2 b c d a O a. Hydrogen a O b. Hydrogen c Qc Hydrogen b O d. Hydrogen d QUESTION 6 Which of (a)-(d) indicates the correct order of chemical shifts of the four carbons in the 13C-NMR spectrum O CH,=CH-C-0-CH,
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