a moles of PCl 5 is heated in a closed container to equilibriate PCl 5 ( g ) ⇌ PCl 3 ( g ) + Cl 2 ( g ) at a pressure of P atm. If x moles of PCl 5 dissociate at equilibrium, then

Question

a moles of PCl 5 ​ is heated in a closed container to equilibriate PCl 5 ( g ) ​ ⇌ PCl 3 ( g ) ​ + Cl 2 ( g ) ​ at a pressure of P atm. If x moles of PCl 5 ​ dissociate at equilibrium, then

TestHub · Accepted Answer

PCl 5 ( g ) ​ ⇌ PCl 3 ( g ) ​ + Cl 2 ( g ) ​ 1 − α α = a x ​ α Total moles = 1 − α + α + α = 1 + α K p ​ = P PCl 5 ​ ​ P PCl 3 ​ ​ × P Cl 2 ​ ​ ​ = 1 + α 1 − α ​ ⋅ p [ 1 + α α ​ ⋅ p ] [ 1 + α α ​ ⋅ p ] ​ = 1 − α 2 α 2 p ​ ⇒ α = ( K p ​ + P K p ​ ​ ) 1/2 ​ ​

Chemistry - Chemical Equilibrium Question with Solution | TestHub

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