Which of the following is not correct?

Which of the following is not correct?
  1. n-hexane $+\mathrm{n}$-heptane - Ideal solution
  2. $\mathrm{C}_2 \mathrm{H}_5 \mathrm{OH}+\mathrm{H}_2 \mathrm{O}-$ Positive deviation from Raoult's Law
  3. \(\mathrm{CHCl}_3+\mathrm{CH}_3-\stackrel{\huge \mathrm{O} \atop ||}{\mathrm{C}}-\mathrm{CH}_3\)- Negative deviation from Raoutt's Law
  4. \(\mathrm{C}_2 \mathrm{H}_5 \mathrm{OH}+\mathrm{CH}_3-\stackrel{\huge \mathrm{O} \atop ||}{\mathrm{C}}-\mathrm{CH}_3\)- Negative deviation from Raoutt's Law

Solution

Mixture of ethanol and acetone shows positive deviation from Raoult's law. In pure ethanol, molecules are hydrogen bonded. On adding acetone, its molecules get in between the host molecules and break some of the hydrogen bonds between them. ~

Asked in: JEE-TOPICTESTS-CHEMISTRY

Practice more SOLUTIONS questions on Aicharya