What is the Partition coefficient?

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Offline ashanajesmin

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What is the Partition coefficient?
« on: 01/04/2013 18:46:59 »
I am a final year Chemistry undergarduate. Got a small problem with the partiton coefficients and hydrophobicity constant. I got a log P of 1.3 for the phenol in octanol/water and 1.9 for nitrophenol. While reading a few books and articles I came across that the hydrophobicity costant of nitro group is a negative value but I also found that the log P values of phenol is 1.46 and 3-nitrophenol is 1.9. Can someone please explain this to me?   
« Last Edit: 10/04/2013 23:47:09 by chris »