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Consider a sample that is a mixture composed of biphenyl, benzoic acid, and benzyl alcohol. Predict the order of elution of the components in this mixture on the TLC plate when solvent system a, b or c is used.

a)Cyclohexane: Methylenechloride:100%:0%
b)Cyclohexane: Methylenechloride:70%:30%
c)Cyclohexane: Methylenechloride:0%:100%

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