A binary mixture of benzene and cyclohexane is separated by___________________?

Related Mcqs:

1. A distillation column separates 10000 kg/hr of a benzene-toluene mixture as shown in the figure below: In the figure xF, xD and xW represent the weight fraction of benzene in the feed, distillate and residue respectively. The reflux ratio is_______________ ?

   A. 0.5
   B. 0.6
   C. 1.0
   D. 2.0

2. Components, having widely different boiling point in a binary mixture, can be separated using ________________ distillation?

   A. Molecular
   B. Extractive
   C. Steam
   D. Simple

3. 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

4. The relative volatility of a binary mixture at the Azeotropic composition is _______________________?

   A. 1
   B. > 1
   C. 0
   D. ∞

5. Relative volatility varies with the concentration of component for an ideal solution. The relative volatility 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

6. The diffusivity D. in a binary gas mixture is related to the pressure (P) as___________________?

   A. D ∝ P0.5
   B. D ∝ 1/P0.5
   C. D ∝ 1/P
   D. D ∝ 1/P1.5

7. 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

8. The diffusivity, DAB (for component A diffusing in B) is equal to the diffusivity DBA (for component B diffusing in A) for a binary mixture of________________?

   A. Newtonian liquids
   B. Non-Newtonian liquids
   C. Ideal gases
   D. Real gases

9. The diffusivity D. in a binary gas mixture is related to the temperature (T) as________________________?

   A. D ∝ T
   B. D ∝ T0.5
   C. D ∝ T1.5
   D. D ∝ T2

10. For a binary mixture with low relative volatility, continuous rectification to get pure products will require_____________________?

    A. Low reflux ratio
    B. Less number of trays
    C. Small cross-section column
    D. High reflux ratio