Pyridine and methanol can act as weak bases. Their Kb 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 x 10-4 1.8 x 10-16 Pyridinium only ethylamine CH,CH,NH, pyridinium Consider the compounds water, ethylamine, acetone, and aniline, whose K, 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, CH3OH only water H₂O CH3OH acetone CH3C(=O)CH3 H* methanol Kb = 6.3x10-17 Answer Bank CH3OH₂* protonated methanol Both Neither
Pyridine and methanol can act as weak bases. Their Kb 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 x 10-4 1.8 x 10-16 Pyridinium only ethylamine CH,CH,NH, pyridinium Consider the compounds water, ethylamine, acetone, and aniline, whose K, 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, CH3OH only water H₂O CH3OH acetone CH3C(=O)CH3 H* methanol Kb = 6.3x10-17 Answer Bank CH3OH₂* protonated methanol Both Neither
Introduction to General, Organic and Biochemistry
11th Edition
ISBN:9781285869759
Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Chapter16: Amines
Section: Chapter Questions
Problem 16.27P: 16-27 Guanidine, p/Ca 13.6, is a very strong base, almost as basic as hydroxide ion. NH NH2+ II II...
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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.
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