Match the following

	List – I (Formula)		List – II (Colour and type of electrolyte)
1)	${\mathrm{CoCl}}_3\cdot 6{\mathrm{NH}}_3$	A)	Purple 1:2 electrolyte
2)	${\mathrm{CoCl}}_3\cdot 5{\mathrm{NH}}_3$	B)	Green 1:1 electrolyte
3)	${\mathrm{CoCl}}_3\cdot 4{\mathrm{NH}}_3$	C)	Yellow 1:3 electrolyte
4)	${\mathrm{CoCl}}_3\cdot 3{\mathrm{NH}}_3$	D)	Colourless non electrolyte

	1)	2)	3)	4)
1)	C	A	B	D
2)	B	D	A	C
3)	A	C	D	B
4)	D	B	C	A