A. Increases
B. Decreases
C. Remains unchanged
D. Depends on the pressure of the system
Related Mcqs:
- Compound A is extracted from a solution of A + B into a pure solvent S. A Co-current unit is used for the liquid-liquid extraction. The inlet rate of the solution containing A is 200 moles of B/hr.m2 and the solvent flow, rate is 400 moles of S/m2. hr. The equilibrium data is represented by Y = 3X2 , where Y is in moles of a A/moles of B and X is in moles A/moles of S. The maximum percentage extraction achieved in the unit is_________________________?
A. 25%
B. 50%
C. 70%
D. 90% - As the reflux ratio, in a continuous counter-current extraction is increased, the number of stages_______________________?
A. Increase
B. Decrease
C. Remain unchanged
D. Can either increase or decrease, depends on the system - With increase in temperature, the rate of extraction in leaching (solid-liquid extraction system) ?
A. Increases
B. Decreases
C. Remain unaffected
D. Increases Linearly - In a liquid-liquid extraction, 10 kg of a solution containing 2 kg of solute C and 8 kg of solvent A is brought into contact with 10 kg of solvent B. Solvent A and B are completely immiscible in each other whereas solute C is soluble in both the solvents. The extraction process attains equilibrium. The equilibrium relationship between the two phases is Y* = 0.9X, where Y* is the kg of C/kg of B and X is kg of C/kg of A. Choose the correct answer?
A. The entire amount of C is transferred to solvent B
B. Less than 2 kg but more than 1 kg of C is transferred to solvent B
C. Less than 1 kg of C is transferred to B
D. No amount of C is transferred to B - Extraction of penicillin employs a ________________ extraction column?
A. Centrifugal
B. Packed
C. Plate
D. None of these - Solvent extraction is the terminology applied to the liquid-liquid extraction, which is preferred for the separation of the components of liquids, when____________________?
A. Extracting solvent is cheaply & abundantly available
B. One of the liquid components is heat sensitive
C. Viscosity of liquid components is very high
D. One of the liquid components has very high affinity towards the solvent - _____________ extractor is used for the concentration of radioactive nuclear waste?
A. Pulsed column
B. Sieve plate
C. Mixer-settler
D. Bollman - _______________ extractor is used for the concentration of radioactive nuclear waste?
A. Pulsed column
B. Sieve plate
C. Mixer-settler
D. Bollman - ___________________ extractor uses centrifugal force for separating the two phases?
A. Treybal
B. Scheibel
C. Podbielniak
D. None of these - In extraction, as the temperature increases, the area of heterogeneity (area covered by binodal curve)________________?
A. Decreases
B. Increases
C. Remains unchanged
D. None of these
