Question

(a) Mention any two postulates of Werner's theory of co-ordination comp
(b) Indicate the type of Isomerism in the following set of complex compou
[Co(NH,), SCN CI, and Co(NH,), NCS CI,​

Answer 1

Answer:

(a) Postulates of Werner's Theory of coordination compounds.

Secondary valence is non ionisable.It is equal to the coordination number of central metal ion or atom. It is fixed for a metal. Secondary valencies are satisfied by negative ions or neural molecules. The primary valence is non directional.