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An acetal is a functional group with the following connectivity R 2 C(OR') 2, where both R' groups are organic fragments. The central carbon atom has four bonds to it, and is therefore saturated and has tetrahedral geometry.
Best Answer: They are not the same--actually, they are very different. But one has to know a bit of organic chemistry to appreciate the difference. Acetone is a KETONE, and iso-propanol (rubbing alcohol) is an ALCOHOL. Or classified another way, ketones are polar aprotic [note the 'a' in aprotic] solvents; alcohols are polar protic solvents. It is the polar aprotic nature of actone that allows it to dissolve fingernail polish. Acetone is also used as paint thinner, among other things.