Condensed phases can only dissolve other condensed phases polar solvents dissolv

Question

Condensed phases can only dissolve other condensed phases polar solvents dissolve polar solutes and no solvents dissolve nonpolar solutes Which one of the following is most soluble in water? CH3CH2CH2OH CH3CH2CH2CH2CH20H CH3CH2CH2CH2OH CH3OH CH3CH2OH Recrystallization is a purification technique True False CHROMATOGRAPHY Chromatography is used to: Separate two or more compounds based on their polarities. Separate two or more compounds based on their masses. Separate two or more compounds based on how strongly they interact with water. More than one of the above.

Explanation / Answer

1) Methanol is most soluble in water, and as the hydrocarbon chain increases, the solublity decreases.

2) True, recrystalisation is a purification method.(impurities remain in the solution, while pure compound gets crystallised)

3) Chromatograpy is used to seperate two or more compounds based on their polarities

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