In case of __________ distillation, a solvent is added to alter the relative volatility of the mixture to be separated.

Related MCQs

• 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
• According to the Fenske equation, what will be the minimum number of plates required in a distillation column to separate an equimolar binary mixture of components A and B into an overhead fraction containing 99 mol% A and a bottom fraction containing 98 mol% B ? Assume that relative volatility (αAB = 2) does not change appreciably in the column.
• The-relative volatility for separation of a non-ideal binary mixture by distillation should be
• 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.
• The relative volatility of a binary mixture at constant temperature __________ the total pressure.
• The relative volatility of a binary mixture at the Azeotropic composition is
• For a binary mixture with low relative volatility,
• For a binary mixture with low relative volatility, continuous rectification to get pure products will require
• Components, having widely different boiling point in a binary mixture, can be separated using __________ distillation.
• The relative saturation of a partially saturated mixture of vapour and gas can be increased by __________ of the mixture.