A ( s ) ⇌ 2 B ( g ) + 3 C ( g ) attains equilibrium in a closed vessel at a total pressure of 5 atm. The partial pressure of C is then held at 6 atm while the equilibrium is re-established. The new pa

Question

A ( s ) ⇌ 2 B ( g ) + 3 C ( g ) attains equilibrium in a closed vessel at a total pressure of 5 atm. The partial pressure of C is then held at 6 atm while the equilibrium is re-established. The new partial pressure of B is

TestHub · Accepted Answer

At equilibrium p B ​ : p C ​ = 2 : 3 and total = 5 atm, so p B ​ = 2 atm , p C ​ = 3 atm . K p ​ = p B 2 ​ p C 3 ​ = 4 × 27 = 108 . With p C ​ = 6 : p B 2 ​ = 108/216 = 0.5 , so p B ​ = 0.5 ​ = 0.71 atm . Trap: 1.0 atm from simply halving the pressure. Answer: (A).

Chemistry - Chemical Equilibrium Question with Solution | TestHub

Options:

Doubts & Discussion