Primary, secondary and tertiary amines can be separated using:

Match List - I with List - II :

	List - I		List - II
(a)	$$[Co{(N{H_3})_6}][Cr{(CN)_6}]$$	(i)	Linkage isomerism
(b)	$$[Co{(N{H_3})_3}{(N{O_2})_3}]$$	(ii)	Solvate isomerism
(c)	$$[Cr{({H_2}O)_6}C{l_3}$$	(iii)	Co-ordination isomerism
(d)	$$cis - {[CrC{l_2}{(ox)_2}]^{3 - }}$$	(iv)	Optical isomerism

Choose the correct answer from the options given below :

Fructose is an example of :

The common positive oxidation states for an element with atomic number 24, are :