Physical Chemistry

Chemical Equilibrium

15 questions in this chapter.

Study loop for Chemical Equilibrium

1. Practise the PYQsPrevious-year questions, with answers

Equilibria – General

ABC26PH0424 · The triple point for water is · 2005-2021
ABC26PH0429 · 40 millimoles of NaOH are added to 100 mL of a 1.2 M HA and Y M NaA buffer resulting in a solution of pH 5.30. Assuming that the volume of… · 2005-2021
ABC26PH0430 · The number of degrees of freedom for a system consisting of NaCl(s), Na^+(aq) and Cl^-(aq) at equilibrium is · 2005-2021
ABC26PH0431 · For a one component system, the maximum number of phases that can coexist at equilibrium is · 2005-2021
ABC26PH0432 · The number of degrees of freedom of a system consisting of solid sucrose in equilibrium with an aqueous solution of sucrose is · 2005-2021
ABC26PH0433 · Among the following, the equilibrium which is NOT affected by an increase in pressure is · 2005-2021
ABC26PH0435 · Sulfur can exist in four phases. The possible number of triple points is · 2005-2021
ABC26PH0436 · For the pair of reactions given below (i) N2(g) + 3H2(g) ⇌ 2NH3(g) (ii) 1/2N2(g) + 3/2H2(g) ⇌ NH3(g) If at a particular temperature, KP1… · 2005-2021
ABC26PH0437 · On On the pressure-temperature diagram for a one-component system, the point where the solid-liquid and the liquid-gas curves intersect is: · 2005-2021
ABC26PH0439 · The enthalpy of fusion of ice at 273K is 6.01 kJ mol-1 and the enthalpy of vaporization of water at 273K is 44.83 kJ mol-1. The enthalpy of… · 2005-2021
ABC26PH0441 · m1 and m2 are the slopes (dP/dT) of the solid – liquid equilibrium lines in the P – T phase diagrams of H2O and CO2, respectively. For P <… · 2005-2021
ABC26PH0442 · The enthalpy of vaporization of a liquid at its boiling point (Tb = 200 K) is 15.3 kJ mol-1. If the molar volumes of the liquid and the… · 2005-2021 self-practice
ABC26PH0443 · Consider the following phase diagram of CO2 (not to scale). At equilibrium, the INCORRECT statement is: · 2005-2021
ABC26PH0444 · The equilibrium constant for the reaction (a) NO(g) ⇌ N2O(g)+NO2(g) at 25°C is closest to: [ Delta Go=-104.18 kJ; R=8.314 J mol-1 K-1] · 2005-2021
ABC26PH0445 · The reaction CO(g) + Cl2(g) ⇌ COCl2(g) at 500°C, with initial pressures of 0.7 bar of CO and 1.0 bar of Cl2, is allowed to reach… · 2005-2021 self-practice