Question

The H NMR spectrum of p-methoxyacetophenone has signals whose chemical shifts are indicated below. Which hydrogen or set of hydrogens corresponds to the signal at 6.9 ppm? Select the single best answer. H H H$_3$C-C || O CH$_3$ O A H H B C p-methoxyacetophenone $^1$H NMR: 2.5 ppm, 3.9 ppm, 6.9 ppm, 7.9 ppm A B C D X S

          The H NMR spectrum of p-methoxyacetophenone has signals whose chemical shifts are indicated below. Which hydrogen or set of hydrogens corresponds to the signal at 6.9 ppm? Select the single best answer.
H
H
H$_3$C-C
||
O
CH$_3$
O


A
H
H
B
C
p-methoxyacetophenone
$^1$H NMR: 2.5 ppm, 3.9 ppm, 6.9 ppm, 7.9 ppm
A
B
C
D
X
S

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The H NMR spectrum of p-methoxyacetophenone has signals whose chemical shifts are indicated below. Which hydrogen or set of hydrogens corresponds to the signal at 6.9 ppm? Select the single best answer.
H
H
H3C-C
||
O
CH3
O

A
H
H
B
C
p-methoxyacetophenone
^1H NMR: 2.5 ppm, 3.9 ppm, 6.9 ppm, 7.9 ppm
A
B
C
D
X
S

Added by Carolina V.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

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Solved by Expert Adi S

06/27/2022

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9 ppm in the given H NMR spectrum. Show more…

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the signal at 6.9 ppm? Select the single best answer. H H OH 9 CH. H H A 1B c p-methoxyacetophenone H NMR:2.5 ppm, 3.9 ppm,6.9 ppm. 7.9 ppm OA OD

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