Select the correct statement(s) according to Werner's theory of coordination compounds:
(I) Primary valences are usually ionisable.
(II) Secondary valences are non-ionisable.
(III) The number of secondary valences (coordination number) is fixed for a given metal.
Choose the most appropriate answer from the options given below:
Text Solution
Verified by ExpertsA
Werner's postulates state: metals have primary (usually ionisable, satisfied by anions) and secondary valences (non-ionisable, satisfied by ligands); the secondary valence equals the coordination number and is fixed for a given metal.
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