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When water dissolves sugar, it separates the individual sugar molecules by disrupting the attractive forces, but does not break the covalent bonds between the carbon, hydrogen, and oxygen atoms. Dissolved sugar molecules are also hydrated, but without as distinct an orientation to the water molecules as in the case of the ions.
- Solute and Solvent
Further, if the sugar-water solution is passed through a...
- Liquid-Liquid Solutions
A non-ionized molecule must be relatively polar to interact...
- Solute and Solvent
Jul 30, 2024 · Students will be able to explain, on the molecular level, how the polar characteristic of water and sugar interact so that water dissolves sugar. Students will be able to identify and control the variables in their experiment.
Water molecules arrange themselves around the sucrose molecules according to opposite polar areas. The attraction of the water molecules and their motion overcome the attraction between sucrose molecules. The sucrose molecules dissolve as they are separated from each other and mix into the water.
To reverse the formation of a ring (that is, to return the sugar to a linear form – see “cyclization of glucose”), we would need to break the O-H bond of the anomeric -OH group. But we can’t, in a glycoside, because that H atom is gone.
The sugar molecules can dissolve in the water because of hydrogen bonding; these strong intermolecular attractions allow the water molecules to pull sugar molecules apart from one another. The sugar molecules interact with the water molecules instead of with each other.
When water dissolves sugar, it separates the individual sugar molecules by disrupting the attractive forces, but does not break the covalent bonds between the carbon, hydrogen, and oxygen atoms. Dissolved sugar molecules are also hydrated, but without as distinct an orientation to the water molecules as in the case of the ions.
When water dissolves sugar, it separates the individual sugar molecules by disrupting the attractive forces, but does not break the covalent bonds between the carbon, hydrogen, and oxygen atoms. Dissolved sugar molecules are also hydrated, but without as distinct an orientation to the water molecules as in the case of the ions.
