Problem: When equal volumes of the following pairs of liquids are mixed thoroughly and allowed to stand, which pair is most likely to separate into two layers?A. carbon tetrachloride and hexaneB. methane and methanol C. water and ethanolD. hexane and pentaneE. ethanol and methanol

FREE Expert Solution

We are asked which pair is most likely to separate into two layers when equal volumes of the following pairs of liquids are mixed thoroughly and allowed to stand, 


We’re going to use the theory “likes” dissolving “likes” which states that the solvent can only completely dissolve the solute if they share similar polarity

Therefore, a pure solvent with similar polarity can successfully dissolve a solute to create a solution. 


Intermolecular Forces (IMF) are the attractive forces between 2 molecules.

Ion-dipole

strongest IMF
▪ deals with the attraction between an ion and a polar compound.

 Hydrogen Bonding


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Problem Details

When equal volumes of the following pairs of liquids are mixed thoroughly and allowed to stand, which pair is most likely to separate into two layers?

A. carbon tetrachloride and hexane

B. methane and methanol 

C. water and ethanol

D. hexane and pentane

E. ethanol and methanol