Explanation Higher the pK a , weaker the acid. Phenol will be less acidic than o-nitrophenol, m-nitrophenol and p-nitrophenol. The ortho and para nitrophenols are more acidic than phenols, because nitro is an electron-withdrawing group and it attracts the lone pair of oxygen atom towards itself and the electron density of oxygen decreases. They tend to lost their electron easily and hence, they more acidic than phenols

Chemical Principles: The Quest for Insight

7th Edition

ISBN: 9781464183959

Author: Peter Atkins, Loretta Jones, Leroy Laverman

Publisher: W. H. Freeman

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Chapter 11, Problem 11.38E

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Interpretation:

The difference in $pKa$ values of phenol, o-nitrophenol, m-nitrophenol and p-nitrophenol has to be explained.

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Chapter 11, Problem 11.37E

Chapter 11, Problem 11.41E

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Chemical Principles: The Quest for Insight

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The difference in pK a values of phenol, o-nitrophenol, m-nitrophenol and p-nitrophenol has to be explained.

Solution Summary: The author explains that higher the pK_ a values, the weaker the acid. Phenol will be less acidic than o-nitrophenol, m-

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Interpretation:

The difference in $pKa$ values of phenol, o-nitrophenol, m-nitrophenol and p-nitrophenol has to be explained.

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Chapter 11 Solutions

The difference in pK a values of phenol, o-nitrophenol, m-nitrophenol and p-nitrophenol has to be explained.

Solution Summary: The author explains that higher the pK_ a values, the weaker the acid. Phenol will be less acidic than o-nitrophenol, m-

Concept explainers

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Interpretation: The difference in pKa<m:math><m:mrow><m:msub><m:mrow><m:mtext>pK</m:mtext></m:mrow><m:mtext>a</m:mtext></m:msub></m:mrow></m:math> values of phenol, o-nitrophenol, m-nitrophenol and p-nitrophenol has to be explained.

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Chapter 11 Solutions

Interpretation:

The difference in $pKa$ values of phenol, o-nitrophenol, m-nitrophenol and p-nitrophenol has to be explained.