Malonic Acid Water: Soluble Methyl Alcohol: Soluble Hexane: Insoluble Malonic Acid has OH and so does methanol and water. Biphenyl Water: insoluble Methyl Alcohol: inoluble Hexane: soluble Nonpolar with no functional group. Hexane is nonpolar. Like dissolves like Solution Malonic Acid Water: Soluble Methyl Alcohol: Soluble Hexane: Insoluble Malonic Acid has OH and so does methanol and water. Biphenyl Water: insoluble Methyl Alcohol: inoluble Hexane: soluble Nonpolar with no functional group. Hexane is nonpolar. Like dissolves like.