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Consider the equilibration of a weak base B (K = 5.57 x 10-5) between water (phase 1) and benzene (phase 2).

Consider the equilibration of a weak base B (K = 5.57 x 10-5) between water (phase 1) and benzene (phase 2).

Chemistry: The Molecular Science
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter15: Additional Aqueous Equilibria
Section: Chapter Questions
Problem 84QRT
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Consider the equilibration of a weak base B (K₁ = 5.57 x 10-5) between water (phase 1) and benzene (phase 2). Which expression represents D, the distribution ratio? B represents the unprotonated form of the base and BH+ represents the protonated form of the base. O [B] 2 [B]₁ [BH+]2 [B]₁ + [BH+]₁ [B]2 [B]₁ + [BH+]₁ O [BH+]2 [BH+]₁ D= Calculate D at pH 8.43 if Kp = 44.0. Which expression represents Kp, the distribution constant? B represents the unprotonated form of the base and BH represents the protonated form of the base. [B]2 [B]₁ [B]2 [B]₁ + [BH+]₁ [BH+]2 [B]₁ + [BH+]₁ [BH+]2 [BH+]₁ Will D be larger or smaller at pH 7.00 than at pH 8.43? omaller
Transcribed Image Text:Consider the equilibration of a weak base B (K₁ = 5.57 x 10-5) between water (phase 1) and benzene (phase 2). Which expression represents D, the distribution ratio? B represents the unprotonated form of the base and BH+ represents the protonated form of the base. O [B] 2 [B]₁ [BH+]2 [B]₁ + [BH+]₁ [B]2 [B]₁ + [BH+]₁ O [BH+]2 [BH+]₁ D= Calculate D at pH 8.43 if Kp = 44.0. Which expression represents Kp, the distribution constant? B represents the unprotonated form of the base and BH represents the protonated form of the base. [B]2 [B]₁ [B]2 [B]₁ + [BH+]₁ [BH+]2 [B]₁ + [BH+]₁ [BH+]2 [BH+]₁ Will D be larger or smaller at pH 7.00 than at pH 8.43? omaller
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