Which of the following solutions would not be expected to exist? Group of answer choices NaCl in CCl4 (carbon tetrachloride, a nonpolar solvent) Pentane, C5H12, in CCl4 Methyl alcohol, CH3OH, in water NaCl in water Vegetable oil in mineral oil

NaCl in CCl4 (carbon tetrachloride, a nonpolar solvent)

Explanation:

In chemistry, polar substances are only dissolved by polar solvents while nonpolar substances are dissolved by nonpolar solvents. Ionic substances can only be dissolved by polar solvents. This implies that it is impossible for sodium chloride to dissolve in carbon tetrachloride (a nonpolar solvent).

Dissolution of a substance in a solvent depends on interaction between the solute and the solvent. That interaction depends solely on the nature of the intermolecular forces holding the solute and solvent molecules together. In chemistry we summarize this observation in the words; ' like dissolves like'. Sodium chloride can only dissolve in a polar solvent such as water and not carbon tetrachloride.

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