Which of the following molecules is most likely to dissolve in water?
a. A fat containing abundant omega-3 fatty acids
b. A molecule of trans fat
c. Molecules composed largely of non-polar covalent bonds
d. A molecule largely composed of carbon and hydrogen
e. Molecule of glycerol

Which of the following molecules is most likely to dissolve in water a A fat containing abundant omega3 fatty acids b A molecule of trans fat c Molecules compos class=

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Answer:

E. Molecule of glycerol

Explanation:

Glycerol is easily soluble in water, due to the ability of the polyol groups to form hydrogen bonds with water molecules

Also the three hydroxyl groups of glycerol allow reactions with many organic acids to form esters

The molecules that are most likely to dissolve in water is - option e. Molecule of glycerol due to polyol property.

Water is a universal solvent as it is the only liquid that allows the maximum number of molecules of substances to dissolve in it. The solubility of water is because of its polarity.

  • Polarity in water is due to the partial positive charge of hydrogen and partial negative charged oxygen atoms of two molecules
  • In water, only polar molecules and ions are able to dissolve
  • lipids or molecules of fats are with hydrocarbon backbone, so they are non-polar and hydrophobic so not dissolve in water.
  • Glycerol molecules have 3 polyol (three -OH) group,
  • These polyol groups form hydrogen bonds with water molecules and as these are polarized and this helps them to easily dissolve in water.

Thus, the correct answer is - option e. Molecule of glycerol due to polyol property.

Learn more about the polarity of water:

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