There are many kinds of solutions, but the most well-known ones are mixtures of a solid and a liquid, such as sugar and water. Another example is soap, which has a hydrophilic head and a hydrophobic tail, allowing it to dissolve in both water and oil. Some hydrophilic substances do not dissolve. Not all substances dissolve in water. Water has a polar structure (there is a negative charge on the oxygen atom, positive on the hydrogen atoms), therefore substances that also have a polar structure dissolve in it. Liquids can dissolve certain other liquids, depending on the attractions between the molecules of both liquids. Polar liquids, like water, dissolve other liquids which are polar or somewhat polar. However, water does not dissolve nonpolar substances. Water is a polar molecule, and because of this, water dissolves other polar substances and many ionic substances. Substances that are hydrophobic ('water-fearing') do not dissolve well in water, whereas those that are hydrophilic ('water-friendly') do. The first example is AluminumOxide. In the course, there's an exercise where we have to explain why something dissolves in water and why other compounds doesn't. 4 Answers. please help ASAP. Acids and bases are aqueous solutions, as part of their Arrhenius definitions. Substances that dissolve in water to yield ions are called electrolytes. A Fun Experiment To Try At Home: Which Solids Are Good At Dissolving? B) hydrophilic and lipophobic. They are water-soluble. Nonelectrolytes: Substances that do not form ions when they dissolve in water. Hydrophilic and hydrophobic molecules are also known as polar molecules and nonpolar molecules, respectively. Substances that readily dissolve in water and do not readily dissolve in lipids are? For me, if the substance is polar, than it dissolves in water because H2O is polar to. Nonelectrolytes are substances that do not produce ions when dissolved in water. What's more, substances that have a polar structure form hydrogen bonds with water (easy to break bonds) that … Those that dissolve are called soluble substances; those that do not dissolve are called insoluble substances. D) hydrophilic and lipophilic. Answer Save. The polysaccharides are a better bet. A) hydrophobic and lipophobic. The solid that dissolves is called the 'solute'. Solubility rules allow prediction of what products will be insoluble in water. The reason that some substances dissolve in water and others don't depends on their reaction to water. This type of … Relevance. But they typically need very strong acids for the reaction. C) hydrophobic and lipophilic. (and non-polar dissolves in non-polar). Dissociation: The process by which a molecular compound splits up to form ions in the solution. Polar liquids, like water, do not dissolve nonpolar liquids like oil. Electrolytes: Substances that dissolve in water to produce ionic solutions. An insoluble substance is a solid that doesn't dissolve, even if you warm up the water. Hydrophilic (water loving) substances readily dissolve in water. The liquid that dissolves the solute is called the 'solvent'. 1 decade ago. DinDjinn. Lv 7. I'm studying for my exam introduction to chemistry. On the other hand, substances that have no polar structure, such as fats, do not dissolve in water. Especially the hemicelluloses should be good candidates, as they are insoluble in water, and the result of the hydrolisis is edible (sugars and some polisaccharides). An example of a hydrophilic substance is sodium chloride. Has a hydrophilic substance is polar, than it dissolves in water is a solid dissolves... Because H2O is polar to a solid that dissolves is called the 'solvent ' and. To form ions in the solution polar, than it dissolves in water to yield ions are called substances. 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