Arrange the following bases in order of increasing strength on the basis of the pK a values

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Arrange the following bases in order of increasing strength on the basis of the pKa values of their conjugate acids, which are given in parentheses:

(a) Ammonia (9.26);

(b) Methylamine (10.56);

(c) Ethylamine (10.81);

(d) Aniline (4.63; see Exercise 6C.12). Is there a simple pattern of strengths?


Exercise 6C.12

The value of pKb for aniline is 9.37 and that for 4-chloroaniline is 9.85. Which is the stronger base? Account for the difference in strength.NH O Aniline NH CI 4-Chloroaniline

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Chemical Principles The Quest For Insight

ISBN: 9781464183959

7th Edition

Authors: Peter Atkins, Loretta Jones, Leroy Laverman

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