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A weak base, B, (Kb=1.0 *10-7) equilibrates between water (phase 1) and benzene (phase2). a) Define...

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Chemistry

A weak base, B, (Kb=1.0 *10-7) equilibrates between water (phase 1)and benzene (phase2). a) Define the distribution coefficient forthis system b) Explain the difference between the partitioncoefficient, K, and the distribution coefficient, D, for thissystem. c) Calculate D at a pH of 9 if K=5.0 d) Will D be greaterat pH of 10 than 9? Explain.

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4.3 Ratings (605 Votes)
a A weak base is generally organic moiety so most the of the undissociated part will be in organic layer iebenzene so the distribution coefficient is given as D BaseBenzene Basewater base ion where BaseBenzene concentration of base in its molecular form    See Answer
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