1
JEE Main 2021 (Online) 25th July Morning Shift
Numerical
+4
-1
CO2 gas is bubbled through water during a soft drink manufacturing process at 298 K. If CO2 exerts a partial pressure of 0.835 bar then x m mol of CO2 would dissolve in 0.9 L of water. The value of x is ____________. (Nearest integer)

(Henry's law constant for CO2 at 298 K is 1.67 $$\times$$ 103 bar)
2
JEE Main 2021 (Online) 25th July Morning Shift
Numerical
+4
-1
For the reaction

A + B $$\rightleftharpoons$$ 2C

the value of equilibrium constant is 100 at 298 K. If the initial concentration of all the three species is 1 M each, then the equilibrium concentration of C is x $$\times$$ 10$$-$$1 M. The value of x is ____________. (Nearest integer)
3
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)
4
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)
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