Chemistry, asked by mahiway1772, 1 year ago

Solution ofethyl alcohol in water shows positive deviation from raoults law.explain why

Answers

Answered by aaravsharma172001

In pure ethyle glycol ,molecules are hydrogen bonded.Onadding water ,its molecules get in between the host molecules&breaks some hydrogen bonds between them.Due to weekning in intractions,the solution the solution shows positive deviation.

Answered by AadilPradhan

Any ideal solution obeys Roult's law.In ideal solution the solute-solute,solute-solvent and solvent- solvent Interactions are same. For this reason ΔH(mix) and ΔV(mix) is zero.

Solution of ethyl alcohol in water shows positive deviation from raoults law because here the solute-solute,solute-solvent and solvent- solvent Interactions are not same.

Here P>pixi+pyxy.

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