High Octanol-water partition coefficient indicates: A. High hydrophobicity of th

Question

High Octanol-water partition coefficient indicates: A. High hydrophobicity of the compound and high sorption B. Low hydrophobicity of the compound and low sorption C. High hydrophobicity of the compound and low sorption D. Low hydrophobicity of the compound and high sorption E. Only A&C; The difference between the volume and density of excavated soil and in-situ soil is: A. Excavated soil has high density and low volume than in-situ soil B. Excavated soil has low density and high volume than in-situ soil C. In-situ soil has high density and low volume than excavated soil D. In-situ soil has low density and high volume than excavated soil E. Only B & C F. Only A&D; Solubility of a compound: A. Remains same whether it is in a mixture or as a single compound B. Solubility of a compound in a mixture is relative to the mole fraction of that compound in a mixture C. Solubility of a pure compound will typically be more than the solubility of a compound in a mixture D.

Explanation / Answer

1) higher value indicates high hydrophobicity and low sorption.

Option C

2) in situ soil has more density and less volume than excavated soil. Option B and C have the same meaning.

Option E. Only B and C.

3) solubility is related to mole fraction of a compound in a mixture.

Option B

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