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Chemistry
Which of the following does not show positive deviation from Raoult's law?
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Q. Which of the following does not show positive deviation from Raoult's law?
COMEDK
COMEDK 2010
Solutions
A
Benzene-Chloroform
42%
B
Benzene-Acetone
18%
C
Benzene-Ethanol
12%
D
Benzene-Carbon tetrachloride
27%
Solution:
The presence of strong van der wall force of attraction between benzene and chloroform leads to decrement in vapour pressure which implies -ve deviation from Raoult’s law.