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JEE Advanced 2016Paper 2
Exam
JEE Advanced
Year
2016
Paper
Paper 2
Subject
Chemistry
Chapter
Solutions

JEE Advanced 2016 · Paper 2 · Chemistry · Solutions

Mixture(s) showing positive deviation from Raoult's law at 35 ^ o C...

Mixture(s) showing positive deviation from Raoult's law at 35oC{35}^{o}C is (are)

Options

  1. ACarbon tetrachloride + methanol
  2. BCarbon disulphide + acetone
  3. CBenzene + toluene
  4. DPhenol + aniline

Correct answer

A. Carbon tetrachloride + methanol

Step-by-step solution

A] H-bonding of methanol breaks when CCl4CC{l}_{4} is added so bonds become weaker, resulting positive deviation.
B] Mixing of polar and non-polar liquids will produce a solution of weaker interaction, resulting positive deviation
C] Ideal solution
D] -ve deviation because stronger H-bond is formed.
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