Many nonpolar organic solvents, such as turpentine, are able to dissolve non-polar substances. Anything that can't, is non polar. Vinegar is polar. Oil based paints are nonpolar. 3 Answers. Favorite Answer. In the methane molecule (CH 4) the four C−H bonds are arranged tetrahedrally around the carbon atom. 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. not vinegar as a substance, but the molecule. If the ink is attracted to oily fingers, then it is nonpolar. (Hint: Like substances dissolve like substances, and polar solvents dissolve ionic compounds.) Please understand that polar or nonpolar is a continuous range, not an either or. Non-polar solvents are liphophilic as they dissolve non-polar substances such as oils, fats, greases. Rule of thumb: Anything that can dissolve in water is polar. Other examples of polar chemicals include alcohol and vinegar. However, polar and non polar chemicals do not mix. Oils repel polar molecules such as those found in vinegar. Examples of non-polar solvents: carbon tetrachloride (CCl4), benzene (C6H6), ... Vinegar, for example, is a solution of acetic acid in water. 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. A polar molecule has a positive charge on one end and a negative charge on the opposite end. In table two, indicate whether the solutes (vinegar and iodine solution) are soluble in the solvent (water). Fat is nonpolar. If you believe it will, then it will be non-polar. Oil is nonpolar. Then conclude whether the compound is polar, nonpolar, or ionic. The molecule is CH3 - COOH. The -OH groups are polar. 3. Hydrocarbons are nonpolar. The polar particles of salad oil are attracted to the nonpolar particles of the vinegar. Polar chemicals generally are soluble in water. Vitamin C is polar. "Like" dissolve "like". Gasoline is nonpolar. The bonds are arranged symmetrically so there is no overall dipole in the molecule. 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. Is a vinegar molecule polar or nonpolar? Nail polish is polar. (Hint: Like substances dissolve like substances, and polar solvents dissolve ionic compounds.) Vitamin A is polar. Vinegar or acetic acid is a polar molecule whereas oil is a chain of hydrocarbons which are insoluble in water. 8 years ago. Mix the contents with a stirring stick. In table two, indicate whether the solutes (vinegar and iodine solution) are soluble in the solvent (water). Therefore, vinegar being polar will dissolve in polar solvent like water. Oil is nonpolar. This is where the saying “like oil and water” comes from. 1st Liberal. Dry-cleaning solvents are polar. Answer Save. Lv 6. Mix the contents with a stirring stick. Also, it is known that water is a polar solvent and like dissolves like. Relevance. It is 4-5% acetic acid dissolved in water and that is polar. Each bond has polarity (though not very strong). By the way, if it dissolves in water, that is a good bet that it is polar. 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. vinegar is polar. Vinegar is basically a water solution of acetic acid. 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. 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