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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.
This is called hydrogen bonding.. Propanol (whichever one it is) is an alcohol and and is polar and exhibits hydrogen bonding. Water is polar and exhibits hydrogen bonding. The polar natures of the alcohol and water allow the alcohol to be completely miscible with water.Propane (I assume, since there is no such animal as pronane) is an alkane, is nonpolar and has no hydrogen bonding with which to bond to water molecules.hat is what gives rise to the general expression that Like dissolves like; Polar solutes dissolve in polar solvents, while nonpolar solutes dissolve in nonpolar solvents. Therefore the nonpolar propane is not soluble in water, but the polar propanol is.