LIST - I (complex)		LIST - II (Charge on co-ord. sphere)
A)	CoCl3.6NH3	i)	+1
B)	CoCl3.5NH3	ii)	+2
C)	CoCl3.4NH3	iii)	+3
D)	CoCl3.3NH3	iv)	+4
		v)	0

The correct match in terms of the charge on the complex
 

	A	B	C	D
1	iii	ii	v	i
2	iii	i	ii	v
3	iii	ii	i	v
4	iv	iii	ii	i

CoCl₃.6NH₃ can form complex ,  [Co(NH₃)₆]Cl₃.

[Co(NH₃)₆]Cl₃$\stackrel{ }{\to }$[Co(NH₃)₆] ³⁺ + 3Cl ^-

CoCl₃.5NH₃ can form  complex ,  [Co(NH₃)₅Cl] Cl₂.

[Co(NH₃)₅Cl]Cl₂$\stackrel{ }{\to }$[Co(NH₃)₅Cl] ⁺+ 2Cl ^-

CoCl₃.4NH₃ can form  complex ,  [Co(NH₃)₄Cl₂] Cl.

[Co(NH₃)₄Cl₂]Cl$\stackrel{ }{\to }$[Co(NH₃)₄Cl₂]⁺¹ + Cl ^-

CoCl₃.3NH₃can form  complex ,  [Co(NH₃)₃Cl₃] .

[Co(NH₃)₃Cl₃]$\stackrel{ }{\to }$[Co(NH₃)₃Cl₃].