When pure methanol is mixed with water the resulting solution feels warm would you expect this solution to be ideal? Explain

Question

Chemistry

Lailah

10 November, 07:14

When pure methanol is mixed with water the resulting solution feels warm would you expect this solution to be ideal? Explain

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Answers (1)

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Gianna Munoz · Answer 1

No

Explanation:

In ideal solutions, the interactions between solute - solvent are approximately the same as those of solute - solute and solvent - solvent, that is the interactions are to be practically indistintiguishable after disolution.

The moment we have a release of energy (the solution feels warm) we are to conclude that there are strong interactions between the water and methanol molecules so we would expect the solution to be non ideal.

The reason for the interactions is the presence of hydrogen bonds between methanol and water.