Chemical Engineering Thermodynamics
Critical solution temperature (or the con-solute temperature) for partially miscible liquids (e.g., phenol-water) is the minimum temperature at which

A homogeneous solution (say of phenol water) is formed
Mutual solubility of the two liquids shows a decreasing trend
None of these
Two liquids are completely separated into two layers

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Chemical Engineering Thermodynamics
Pick out the wrong statement pertaining to the decomposition of PCl5 represented by, PCl5 ⇋ PCl3 + Cl₂.Degree of dissociation of PCl5 will

Decrease on increasing the pressure of the system
None of these
Decrease on addition of Cl₂
Increase on addition of an inert gas at constant pressure

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