Question

2. If one dye moves more rapidly than another, which one dissolves more readily in the moving solvent?​

Answer 1

Answer:

Water is a polar molecule, while alcohol is not. If the dye is a polar molecule, it will prefer bonding with the water and will move up the chromatography paper farther when water is the solvent. If the dye is a non-polar molecule, it will prefer bonding with the alcohol over the water and that dye will move farther up the paper when alcohol is the solvent. The most polar dye is the dye will move farthest up the paper when water is the solvent; the least polar dye will move farthest up the paper when alcohol is the solvent.

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