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प्रश्न
A solution of acetone in ethanol ______.
पर्याय
shows a positive deviation from Raoult's law
behaves like a non-ideal solution
obeys Raoult's law
shows a negative deviation from Raoult's law
MCQ
रिकाम्या जागा भरा
उत्तर
A solution of acetone in ethanol shows a positive deviation from Raoult's law.
Explanation:
A solution of acetone in ethanol deviates from Raoult's law in a positive way. This is due to the fact that ethanol molecules are strongly hydrogen-bonded. When acetone is added, the hydrogen bonds are broken and ethanol becomes more volatile. As a result, its vapour pressure rises.
shaalaa.com
Vapour Pressure of Solutions of Liquids in Liquids
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