Question

explain the Arfred werner theory

Answer 1

Hey buddy, here is your answer

Werner's Theory:

Alfred Wernera Swiss chemist put forward a theory to explain the formation of complex compounds. It was the first successful explanation,became famous as the coordination theory of complex compounds, which is also known as Werner's theory.

Postulates:

(a) The central metal atom (or) ion in a coordination compound exhibits two types of valencies - primary and secondary.

(b) Primary valencies are ionisable and correspond to the number of charges on the complex ion. Primary valencies apply equally well to simple salts and to complexes and are satisfied by negative ions.

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Answer 2

Answer:

Postulates of werner theory :

➡️In coordination Compounds metal show 2 type of linkages primary and secondary

➡️ The primary Valence are normally ionisable and are satisfied by negative ions

➡️The secondary valances are non ionisable. These are satisfied by neutral molecules or negative ions.

➡️Secondary valence are directional, whereas primary valances are not directional.

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