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

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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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