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The solubility in water (S) and log K(ow) values for several pesticides are belo

ID: 828040 • Letter: T

Question

The solubility in water (S) and log K(ow) values for several pesticides are below. Using your understanding of the basis of the K(ow) coefficient, comment on the relationship between the trends shown here. DDT -- S = 0.0028 mg/L; log K(ow) = 6.0 Aldrin -- S = 0.08 mg/L; log K(ow) = 5.8 Parathion -- S = 19 mg/L; log K(ow) = 3.7 Atrazine -- S = 38 mg/L; log K(ow) = 2.6 Carbaryl -- S = 73 mg/L; log K(ow) =2.4 The solubility in water (S) and log K(ow) values for several pesticides are below. Using your understanding of the basis of the K(ow) coefficient, comment on the relationship between the trends shown here. DDT -- S = 0.0028 mg/L; log K(ow) = 6.0 Aldrin -- S = 0.08 mg/L; log K(ow) = 5.8 Parathion -- S = 19 mg/L; log K(ow) = 3.7 Atrazine -- S = 38 mg/L; log K(ow) = 2.6 Carbaryl -- S = 73 mg/L; log K(ow) =2.4

Explanation / Answer

solubility of pesticides increases as log K(ow) decreases....