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JEE Main 2021 (Online) 22th July Evening Shift
Numerical
+4
-1
Value of KP for the equilibrium reaction

N2O4(g) $$\rightleftharpoons$$ 2NO2(g) at 288 K is 47.9. The KC for this reaction at same temperature is ____________. (Nearest integer)

(R = 0.083 L bar K$$-$$1 mol$$-$$1)
2
JEE Main 2021 (Online) 20th July Morning Shift
Numerical
+4
-1
2SO2(g) + O2(g) $$\rightleftharpoons$$ 2SO3(g)

In an equilibrium mixture, the partial pressures are

PSO3 = 43 kPa; PO2 = 530 Pa and PSO2 = 45 kPa. The equilibrium constant KP = ___________ $$\times$$ 10$$-$$2. (Nearest integer)
3
JEE Main 2021 (Online) 18th March Evening Shift
Numerical
+4
-1
The gas phase reaction $$2A(g) \rightleftharpoons {A_2}(g)$$ at 400 K has $$\Delta$$Go = + 25.2 kJ mol-1.

The equilibrium constant KC for this reaction is ________ $$\times$$ 10$$-$$2. (Round off to the Nearest Integer).

[Use : R = 8.3 J mol$$-$$1 K$$-$$1, ln 10 = 2.3 log10 2 = 0.30, 1 atm = 1 bar]

[antilog ($$-$$0.3) = 0.501]
The solubility of CdSO4 in water is 8.0 $$\times$$ 10$$-$$4 mol L$$-$$1. Its solubility in 0.01 M H2SO4 solution is __________ $$\times$$ 10$$-$$6 mol L$$-$$1. (Round off to the Nearest Integer). (Assume that solubility is much less than 0.01 M)