СООН СООН СООН СООН CI СООН СООН NO2 CI `NO2 ČI pk = 3.83 pK, = 3.99 pK. = 2.17 pK, = 3.49 NO2 pк, — 3.44 pK =2.94 СООН СООН СООН NH2 NH2 pK, =4.95 NH2 pK, =4.89 pK=4.73

Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter8: Gases
Section: Chapter Questions
Problem 155CP: Methane (CH4) gas flows into a combustion chamber at a rate of 200. L/min at 1.50 atm and ambient...
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The pKa values of a few ortho-, meta-, and para-substituted benzoic acids are shown below: The relative pKa values depend on the substituent. For chloro-substituted benzoic acids, the ortho isomer is the most acidic and the para isomer is the least acidic; for nitro-substituted benzoic acids, the ortho isomer is the most acidic and the meta isomer is the least acidic; and for amino-substituted benzoic acids, the meta isomer is the most acidic and the ortho isomer is the least acidic. Explain these relative acidities. a. Cl: ortho > meta > para b. NO2: ortho > para > meta c. NH2: meta > para > ortho

СООН
СООН
СООН
СООН
CI
СООН
СООН
NO2
CI
`NO2
ČI
pk = 3.83
pK, = 3.99
pK. = 2.17
pK, = 3.49
NO2
pк, — 3.44
pK =2.94
СООН
СООН
СООН
NH2
NH2
pK, =4.95
NH2
pK, =4.89
pK=4.73
Transcribed Image Text:СООН СООН СООН СООН CI СООН СООН NO2 CI `NO2 ČI pk = 3.83 pK, = 3.99 pK. = 2.17 pK, = 3.49 NO2 pк, — 3.44 pK =2.94 СООН СООН СООН NH2 NH2 pK, =4.95 NH2 pK, =4.89 pK=4.73
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