Interpretation: To describe what might happen when two different liquids are mixed, the volume of the mixture is larger than the sum of the volumes of the two components.
Concept Introduction: A non-ideal solution deviates from the ideal solution's norms, in which the interactions between particles are the same (or extremely similar) to those between molecules of different components.
Explanation of Solution
In ethyl alcohol, hydrogen bonding is present which is a strong intermolecular bond. When ethyl alcohol is added to water, the newly formed hydrogen bond between ethyl alcohol and water is weaker than the present between ethyl alcohol. When interactions are weak, the volume expands.
Thus the volume of the mixture of ethyl alcohol and water is more than the sum of individual volumes.
Chapter 15 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
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