Pyridine and methanol can act as weak bases. Their ?b values are given. Consider the compounds water, ethylamine, acetone, and aniline, whose ?b values can be found in the table. Classify them by whether they can be appreciably (?eq>1) protonated by pyridinium, CH3OH+2, both, or neither. 。 Pyridine and methanol can act as weak bases. Their Kü values are given.HpyridineKb = 1.5 x 10-⁹Compound KbacetoneanilineethylaminewaterH*1.0 × 10-217.4 x 10-106.3 × 10-41.8 × 10-16Pyridinium onlyethylamineCH,CH,NH,Consider the compounds water, ethylamine, acetone, and aniline, whose Kü values can be found in the table. Classify them bywhether they can be appreciably (Keq > 1) protonated by pyridinium, CH₂OH, both, or neither.anilineCH,NH,NpyridiniumCH₂OH onlywaterH₂OCH3OHacetoneCH3C(=O)CH3H*methanolKb = 6.3x10-17Answer BankCH3OH₂+protonatedmethanolBothNeither

For pyridine, Kb = 1.5*10-9 => Ka of pyridinium(PyH+) = KwKb = 1*10-141.5*10-9 = 6.67*10-6 For…

Answered: Pyridine and methanol can act as weak…

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ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

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Pyridine and methanol can act as weak bases. Their ?b values are given. Consider the compounds water, ethylamine, acetone, and aniline, whose ?b values can be found in the table. Classify them by whether they can be appreciably (?eq>1) protonated by pyridinium, CH3OH+2, both, or neither.

。 Pyridine and methanol can act as weak bases. Their Kü values are given.
H
pyridine
Kb = 1.5 x 10-⁹
Compound Kb
acetone
aniline
ethylamine
water
H*
1.0 × 10-21
7.4 x 10-10
6.3 × 10-4
1.8 × 10-16
Pyridinium only
ethylamine
CH,CH,NH,
Consider the compounds water, ethylamine, acetone, and aniline, whose Kü values can be found in the table. Classify them by
whether they can be appreciably (Keq > 1) protonated by pyridinium, CH₂OH, both, or neither.
aniline
CH,NH,
N
pyridinium
CH₂OH only
water
H₂O
CH3OH
acetone
CH3C(=O)CH3
H*
methanol
Kb = 6.3x10-17
Answer Bank
CH3OH₂+
protonated
methanol
Both
Neither

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