Tuesday, February 26, 2013

Q-10 What role does the molecular interaction play in a solution of alcohol and water?

There is strong hydrogen bonding between the molecules of alcohol as well as in  the molecules of  water .when we mix both liquids, the intermolecular force of attraction decreases.
hydrogen bonding in alcohol and water
  Due to this decrees in intermolecular force , solution shows positive deviation from the ideal behavior. In the case of positive deviation vapor pressure increases and boiling point always decreases.

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