NTA Abhyas JEE Main2020ChemistryChemical EquilibriumPractice
The equilibrium, N H 4 H S ( s ) ⇌ N H 3 ( g ) + H 2 S ( g ) , is followed to set-up at 127 ° C in a closed vessel. The total pressure at equilibrium was 20 atm. The K C for the reaction is
Options
- A0.092 M 2
- B0.085 M 2
- C3.045 M 2
- DNone of these
Correct answer
A. 0.092 M 2
Step-by-step solution
p N H 3 = p H 2 S = 20 2 = 10 atm K P = p N H 3 × p H 2 S = 100 at m 2 K P = K C ( R T ) Δ n 100 = K C ( 0.0821 × 400 ) 2 K C = 0.092 M 2 .