(Hint: Like substances dissolve like substances, and polar solvents dissolve ionic compounds.) not vinegar as a substance, but the molecule. Relevance. The -OH groups are polar. By the way, if it dissolves in water, that is a good bet that it is polar. Polar chemicals generally are soluble in water. 3. Non-polar solvents are liphophilic as they dissolve non-polar substances such as oils, fats, greases. Oil doesn't stay dissolved because the water molecules are polar and are strongly attracted to each other to the point that the oil molecules are excluded. Favorite Answer. Oil is nonpolar. Also, it is known that water is a polar solvent and like dissolves like. Iodine solution Vinegar No Ionic Nonpolar Vegetable oil Vinegar Yes Nonpolar Nonpolar Conclusion Write a conclusion statement that addresses the following questions: Due to Covid-19 pandemic, I used the internet to research the answers to this lab, so that is how I determined the polarity of these substances. If the ink is attracted to oily fingers, then it is nonpolar. Mix the contents with a stirring stick. "Like" dissolve "like". Then conclude whether the compound is polar, nonpolar, or ionic. Vinegar is basically a water solution of acetic acid. vinegar is polar. 1st Liberal. Hydrocarbons are nonpolar. Each bond has polarity (though not very strong). Oil based paints are nonpolar. Where the carbons are bonded, and the center carbon has a double bond to on oxygen, and a single bond to another but the one with the single bond has an H. Dry-cleaning solvents are polar. Vitamin A is polar. 3 Answers. Vinegar or acetic acid is a polar molecule whereas oil is a chain of hydrocarbons which are insoluble in water. Is a vinegar molecule polar or nonpolar? Examples of non-polar solvents: carbon tetrachloride (CCl4), benzene (C6H6), ... Vinegar, for example, is a solution of acetic acid in water. 3. The polar particles of salad oil are attracted to the nonpolar particles of the vinegar. Gasoline is nonpolar. Because oils also repel water, they are called hydrophobic, which means “water-fearing.” The carbon (black) and hydrogen (white) in this non-polar fatty acid molecule share electrons evenly and are neither negatively or positively charged. Many nonpolar organic solvents, such as turpentine, are able to dissolve non-polar substances. Answer Save. In table two, indicate whether the solutes (vinegar and iodine solution) are soluble in the solvent (water). Lv 6. Mix the contents with a stirring stick. The bonds are arranged symmetrically so there is no overall dipole in the molecule. Ethanol is polar. However, polar and non polar chemicals do not mix. Fat is nonpolar. In table two, indicate whether the solutes (vinegar and iodine solution) are soluble in the solvent (water). Rule of thumb: Anything that can dissolve in water is polar. It is 4-5% acetic acid dissolved in water and that is polar. In the methane molecule (CH 4) the four C−H bonds are arranged tetrahedrally around the carbon atom. Please understand that polar or nonpolar is a continuous range, not an either or. Oils repel polar molecules such as those found in vinegar. The molecule is CH3 - COOH. It is polar, any time you have something with a lone pair, you can bet it will be polar unless you have some crazy dipole cancellations. Other examples of polar chemicals include alcohol and vinegar. Therefore, vinegar being polar will dissolve in polar solvent like water. This is where the saying “like oil and water” comes from. Oil is nonpolar. If you believe it will, then it will be non-polar. Vitamin C is polar. Vinegar is polar. (Hint: Like substances dissolve like substances, and polar solvents dissolve ionic compounds.) Anything that can't, is non polar. A polar molecule has a positive charge on one end and a negative charge on the opposite end. 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