Q. Pick out the wrong statement.

• (A) The operating line always lies above the equilibrium solubility curve in case of a single component absorber
• (B) The operating line always lies below the equilibrium solubility curve in case of a single component stripper
• (C) The operating pressure in solvent extraction system should be below vapor pressures of all components
• (D) The solubility of a particular gas in ideal solution in any solvent is always the same