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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.
As a result, ethers are less likely to be soluble in water than the alcohol with the same molecular weight. The absence of an OH group in an ether also has important consequences for its chemical properties. Unlike alcohols, ethers are essentially inert to chemical reactions.