What role does the molecular interaction play in a solution of alcohol and water?
(N/A) Alcohol and water both have a strong tendency to form intermolecular hydrogen bonding. On mixing the two,a solution is formed as a result of the formation of $H$-bonds between alcohol and $H_2O$ molecules. However,these interactions are weaker and less extensive than those in pure $H_2O$. Thus,they show a positive deviation from ideal behavior. As a result of this,the solution of alcohol and water will have a higher vapour pressure and a lower boiling point than that of pure water and pure alcohol.
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