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CGP EDU Academic Team
Published on: August 14, 2026
'a' moles of PCl 5 , undergoes, thermal dissociation as : PCl 5 
PCl 3 + Cl 2 , the mole fraction of PCl 3 at equilibrium is 0.25 and the total pressure is 2.0 atmosphere. The partial pressure of Cl 2 at equilibrium is:
Text Solution
Verified by ExpertsThe correct answer is:
C
PCl 5 
PCl 3 + Cl 2
at t = 0 a 0 0
t = t eq a – x x x
= .25 × 2 = .5 atm
= .5 atm
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