The pka of phenol (C6H5OH) is 10.0. When a nitro group (NO2) is attached to the ring, the pK, decreases, as shown for the ortho, meta, and para isomers. OH OH ОН OH NO2 (a) Explain why the pK, values of all three isomers are lower than the pka of phenol itself. (b) Explain why the meta isomer has the highest pka of `NO2 Phenol NO2 the three isomers. pKa = 10.0 7.23 8.35 7.14
The pka of phenol (C6H5OH) is 10.0. When a nitro group (NO2) is attached to the ring, the pK, decreases, as shown for the ortho, meta, and para isomers. OH OH ОН OH NO2 (a) Explain why the pK, values of all three isomers are lower than the pka of phenol itself. (b) Explain why the meta isomer has the highest pka of `NO2 Phenol NO2 the three isomers. pKa = 10.0 7.23 8.35 7.14
Chemistry
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ISBN:9781305957404
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Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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![The pka of phenol (C6H5OH) is 10.0. When a nitro group
(NO2) is attached to the ring, the pK, decreases, as shown
for the ortho, meta, and para isomers.
OH
OH
ОН
OH
NO2
(a) Explain why the pK, values of all three isomers are
lower than the pka of phenol itself.
(b) Explain why the meta isomer has the highest pka of
`NO2
Phenol
NO2
the three isomers.
pKa = 10.0
7.23
8.35
7.14](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3a955612-da34-4a24-bb6a-cb9107adde3f%2F221cf8a5-0dd6-45d8-9e94-1b96f6d1f104%2F76qdmz9.png&w=3840&q=75)
Transcribed Image Text:The pka of phenol (C6H5OH) is 10.0. When a nitro group
(NO2) is attached to the ring, the pK, decreases, as shown
for the ortho, meta, and para isomers.
OH
OH
ОН
OH
NO2
(a) Explain why the pK, values of all three isomers are
lower than the pka of phenol itself.
(b) Explain why the meta isomer has the highest pka of
`NO2
Phenol
NO2
the three isomers.
pKa = 10.0
7.23
8.35
7.14
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