Gibbs Free Energy & Equilibrium Constant: JEE Questions & Solutions

For the reaction, N2O4 2NO2 graph is plotted as shown below. Identify correct statements. A. Standard free energy change for the reaction…

One mole each of A2(g) and B2(g) are taken in a 1 L closed flask and allowed to establish the equilibrium at 500 K: A2(g)+B2(g) 2AB(g). The…

Dissociation of a gas A2 takes place according to the following chemical reaction. At equilibrium, the total pressure is 1 bar at 300 K.…

The plot of 10K vs 1T gives a straight line. The intercept and slope respectively are (where K is equilibrium constant).

The standard enthalpy and standard entropy of decomposition of N2O4 to NO2 are 55.0 kJ mol^-1 and 175.0 J/mol respectively. The standard…

Let us consider a reversible reaction at temperature, T. In this reaction, both H and S were observed to have positive values. If the…

For a reaction, if the equilibrium constant at 500 K is 4, then the value of the standard Gibbs free energy G^ at this temperature is:

For a certain thermochemical reaction M N at T = 400 K, H^ = 77.2 kJ/mol, S^ = 122 J/K, log equilibrium constant ( K) is x 10^-1.

Which of the following is not correct? (1) G is negative for a spontaneous reaction (2) G is positive for a spontaneous reaction (3) G is…

Consider the following reaction at 298 K: 32 O2(g) O3(g), Kp = 2.47 10^-29. G^ for the reaction is kJ. (Given R = 8.314 J K^-1 mol^-1)

For a certain thermochemical reaction M  N at T = 400 K, H^ = 77.2 kJ/mol, S^ = 122 J/K, log equilibrium constant ( K) is x 10^-1.

When H vap = 30 kJ/mol and S vap = 75 J mol^-1 K^-1, then the temperature of vapor, at one atmosphere, is:

When H vap = 30 kJ/mol and S vap = 75 J mol^-1 K^-1, then the temperature of vapor, at 1 atmosphere, is:

Consider the following reaction approaching equilibrium at 27^ C and 1 atm pressure: A + B C + D Kf = 10^3, Kr = 10^2 The standard Gibbs…