Asseration : In the dissociation of `PCI_(5)` at constant pressure and temperature addition of helium at equilibrium increases the dissociation of `PCI_(5)`.
Reason : Helium removes `CI_(2)` from the field of action.

Assertion : In the dissociation of PCl_(5) at constant pressure and temperature addition of helium at equilibrium increases the dissociation of PCl_(5) . Reason : Helium reacts with Cl_(2) and hence shifts the equilibrium in forward direction.

Assertion : In the dissociation of PCl_(5) at constant pressure and temperature addition of helium at equilibrium increases the dissociation of PCl_(5) . Reason : Helium reacts with Cl_(2) and hence shifts the equilibrium in forward direction.

The dissociation of PCI_5 decreases in presence of CI_2 Why ?

Assertion :- Adding inert gas at equilibrium to dissociation of PCl_(5) at constant pressure increases the degree of dissociation. Reason :- Since degree of dissociation x alphasqrt(v)

2 mole of PCI_(5) is heated in a one litre vessel. If PCI_(5) dissociates to the extent of 80%, the equilibrium constant for the dissociation of PCI_(5) is