Related Questions

Relative volatility varies with the concentration of component for an ideal solution. The relative volatity of a binary mixture may be defined as the ratio of vapor pressure of component 'A' to that of component 'B', when
A Only vapor phase follows Raoult's law
B Only liquid phase obeys Dalton's law
C Liquid phase obeys Dalton's law and vapor phase obeys Raoult's law
D Vapor phase obeys Dalton's law and liquid phase obeys Raoult's law
For a binary mixture with low relative volatility,
A Use steam distillation
B Use molecular distillation
C Use high pressure distillation
D An azeotrope may be formed during distillation
Given that, 24 carat gold is pure gold, 18 carat gold is 3/4th of pure gold and 20 carat gold is 5/6th of pure gold, the ratio of the pure gold in 18 carat gold to the pure gold in 20 carat gold is -
A 5 : 8
B 10 : 9
C 8 : 5
D 9 : 10
The-relative volatility for separation of a non-ideal binary mixture by distillation should be
A 0
B 1
C > 1
The relative volatility of a binary mixture at the azeotropic composition is
A 1
B > 1
C 0
D ∞
The relative volatility of a binary mixture at constant temperature __________ the total pressure.
A Decreases with increase in
B Increases with increase in
C Is independent of
D None of these
Which of the following are products and services bought by final consumers for personal consumption? These include convenience products, shopping products, specialty products, and unsought products.
A Material and parts
B Consumer products
C Industrial products
D Capital items
In a binary system, separation is very efficient, when the relative volatility is
A 1
B > 1
C 0.5
When the liquid phase and vapour phase of a binary system obeys Raoult's and Dalton's law respectively, the relative volatility is the ratio of
A Vapour pressure of component A to that of component B
B Vapour pressure of component A to the total pressure
C Vapour pressure of component A to the partial pressure of A
D Partial pressure of component A to the total pressure
With increase in pressure, the relative volatility for a binary system
A Increases
B Decreases
C Remains same
D Either A or B, depends on the system

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