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

2 mole of PCI_(5) is heated in a one litre vessel. If PCI_(5) dissocia

1.	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
Answer» `2 XX 10^(-2)` 6.4 0.67 0.32 Solution : `K_(C)=(1.6 xx 1.6)/(0.4)=6.4`