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Best Answer: ethanol because of the OH polar head is more soluble in water because it forms hydrogen bonds with H20 than the CH3 in dimethyl ether.Also alcohol is more soluble then ethers because of that OH polar head.In addition, 1-5 carbons chain are generally soluble but more preference is given to the one with less carbon chain and OH polar head.Source(s): took organic chem 1 and 2.ating Newest Oldest. Best Answer: ethanol because of the OH polar head is more soluble in water because it forms hydrogen bonds with H20 than the CH3 in dimethyl ether. Also alcohol is more soluble then ethers because of that OH polar head.
For example, ionic compounds are insoluble in hexane. It is more difficult to predict the solubility of polar molecular substances than to predict the solubility of ionic compounds and nonpolar molecular substances. Many polar molecular substances are soluble in both water and hexane.For example, ethanol is miscible with both water and hexane. The following generalization is helpful: Substances composed of small polar molecules, such as acetone and ethanol, are usually soluble in water.hen you place a non-polar molecule in a polar solvent (like oil in water) the molecules try to minimize surface contact between them. (like you and a guy with a cold on an elevator). This is actually the basis for the cells in our bodies.