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Considering the formation, breaking and strength of hydrogen bond, predict which of the following mixtures will show a positive deviation from Raoult’s law?
(i) Methanol and acetone.
(ii) Chloroform and acetone.
(iii) Nitric acid and water.
(iv) Phenol and aniline
Answers (1)
The answer is the option (i). Methanol has hydrogen bonds. When acetone is mixed with it, some of the bonds break weakening the methanol-methanol interaction. This is why they exhibit a positive deviation.
View full answer
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