Related Questions

A binary liquid azeotropic mixture has boiling point higher than either of the components, when it shows __________ deviation from Raoult's Law.
A Positive
B Negative
C No
D None of these
A binary liquid azeotropic mixture has boiling point lower than either of the components, when it shows __________ deviation from Raoult's Law.
A Positive
B Negative
C No
D None of these
The number of degree of freedom for an azeotropic mixture of ethanol and water in vapour-liquid equilibrium, is
A 3
B 1
C 2
D 0
The equilibrium liquid composition compared to the vapor composition in case of azeotropic mixture is
A More
B Less
C Same
D Either more or less; depends on the system
The relative volatility of a binary mixture at the azeotropic composition is
A 1
B > 1
C 0
D ∞
The number of degrees of freedom for an azeotropic mixture in a two component vapour-liquid equilibria is/are
A Zero
B One
C Two
D Three
In azeotropic mixture, the equilibrium vapour composition is
A More than liquid composition
B Less than liquid composition
C Same as liquid composition
D Independent of pressure
Polar organic compounds are normally used as separating agents for the azeotropic and extractive distillation. Which of the following is the most important factor to be considered for the choice of the separating agent for extractive distillation?
A Cost
B Availability
C Toxicity
D Selectivity
An azeotropic solution of two liquids has boiling point lower than either of them, when it
A Is saturated
B Is unsaturated
C Shows negative deviation from Raoult's law
D Shows positive deviation from Raoult's law
Entrainer used in azeotropic distillation should
A Form a low boiling azeotrope with one of the constituents of the mixture
B Form a new azeotrope of low relative volatility with one of the constituents of the mixture
C Have high latent heat of vaporisation
D Have high viscosity to provide high tray efficiency

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