The GATE Grind

GATE Physical Chemistry: Phase Equilibria: Phase rule. Clausius- Clapeyron equation. Phase diagram of one component system: CO2, H2O, S; two component systems: liquid-vapor, liquid-liquid and solid-liquid systems. Fractional distillation. Azeotropes and Eutectics. – Previous Year Questions

4 GATE previous year questions on Phase Equilibria: Phase rule. Clausius- Clapeyron equation. Phase diagram of one component system: CO2, H2O, S; two component systems: liquid-vapor, liquid-liquid and solid-liquid systems. Fractional distillation. Azeotropes and Eutectics. (Physical Chemistry, Chemistry) with answers and explanations, from every paper.

  1. GATE 2026 CY Q44 (2 marks, Multiple choice) – For 2Pb 3O 4(s)6PbO(s)+ O 2(g), the correct numbers of phases P, components C and degrees of freedom F are
  2. GATE 2025 CY Q35 (1 mark, Numerical answer) – The expressions for the vapour pressure of solid (p 1) and vapour pressure of liquid (p 2) phases of a pure substance, respectively, are p…
  3. GATE 2025 CY Q46 (2 marks, Multiple choice) – The phase diagram of a single component system is given below. The option with the correct number of degrees of freedom corresponding to the labelled…
  4. GATE 2024 CY Q65 (2 marks, Numerical answer) – The following figure shows an experimental liquid-liquid phase diagram of phenol and water at the vapor pressure of the system. The total amount of…