Experimental Organic Chemistry: A Miniscale & Microscale Approach (Cengage Learning Laboratory Series for Organic Chemistry)
Experimental Organic Chemistry: A Miniscale & Microscale Approach (Cengage Learning Laboratory Series for Organic Chemistry)
6th Edition
ISBN: 9781305080461
Author: John C. Gilbert, Stephen F. Martin
Publisher: Brooks Cole
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Chapter 5.3, Problem 12E

(a)

Interpretation Introduction

Interpretation: The structure of the conjugate acid of monosodium phosphate (base) needs to be determined.

Concept Introduction:Bronsted and Lowry purposed the Bronsted-Lowry acid-base theory. It states that acid can give H+ ions, whereas, a base can accept the H+ ion in its solution. Hence, this theory is entirely based on the presence of H+ ion in the given substance.  It purposed the concept of conjugated acid-base pair. A Bronsted acid gives H+ ion to form conjugated base whereas a Bronsted base accepts H+ ion to form its conjugated acid.

      HA   +   H2O                   A-       +     H3O+Bronsted + Bronsted                Conjugated     Conjugated   Acid           base                         base                 acid

(b)

Interpretation Introduction

Interpretation: The reason of ineffective use of an aqueous solution of monosodium phosphate for extracting benzoic acid from a diethyl ether solution needs to be explained, if the pKa of conjugate acid of monosodium phosphate is 2.1.

  Experimental Organic Chemistry: A Miniscale & Microscale Approach (Cengage Learning Laboratory Series for Organic Chemistry), Chapter 5.3, Problem 12E

Concept Introduction:Bronsted and Lowry purposed the Bronsted-Lowry acid-base theory. It states that acid can give H+ ions, whereas, a base can accept the H+ ion in its solution. Hence, this theory is entirely based on the presence of H+ ion in the given substance.  It purposed the concept of conjugated acid-base pair. A Bronsted acid gives H+ ion to form conjugated base, whereas, a Bronsted base accepts H+ ion to form its conjugated acid.

      HA   +   H2O                   A-       +     H3O+Bronsted + Bronsted                Conjugated     Conjugated   Acid           base                         base                 acid

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