Highly selective Backlog Qs for JEE MainChemistryChemical Equilibrium
N H 4 H S ( s ) ⇌ N H 3 ( g ) + H 2 S ( g ) The equilibrium pressure at 25°C is 0.660 atm. What is K p for the reaction?
Options
- A0.109 ( a t m ) 2
- B0.218 ( a t m ) 2
- C1.89 ( a t m ) 2
- D2.18 ( a t m ) 2
Correct answer
A. 0.109 ( a t m ) 2
Step-by-step solution
NH 4 HS s ⇌ NH 3 g P + H 2 S g P Equilibrium pressure is 2P here 2 P = 0.660 P = 0.330 K p = P N H 3 . P H 2 S = 0.33 × 0.33 = 0.109 ( a t m ) 2