The stepwise formation of
[Cu(NH3)4]2+ is given below
Cu2++NH3⇌[Cu(NH3)]2+ [Cu(NH3)]2++NH3[Cu(NH3)2]2+ [Cu(NH3)2]2++NH3[Cu(NH3)]2+ [Cu(NH3)3]2++NH3[Cu(NH3)4]2+ The value of stability constants
K1,K2,K3 and
K4 are
104,1.58×103,5×102 and
102 respectively.
The overall equilibrium constants for dissociation of
[Cu(NH3)]2+] is
x×10−12. The value of
x is ............. . (Rounded off to the nearest integer)