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प्रश्न
The mixture which shows positive deviation from Raoult’s law is ______.
विकल्प
Ethanol + Acetone
Benzene + Toluene
Acetone + Chloroform
Chloroethane + Bromoethane
MCQ
रिक्त स्थान भरें
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उत्तर
The mixture which shows positive deviation from Raoult’s law is Ethanol + Acetone.
Explanation:
A positive deviation from Raoult’s law occurs when the A-B interactions are weaker than A-A or B-B, leading to increased vapour pressure. In the ethanol and acetone mixture, hydrogen bonding in pure ethanol is disrupted by acetone, which results in weaker overall interactions and a positive deviation.
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