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प्रश्न
Write four postulates of Werner’s theory.
Describe briefly the main postulates of Werner’s theory.
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उत्तर
Postulates of Werner’s theory:
- Postulate (1): Unlike metal salts, the metal in a complex possesses two types of valencies: primary (ionizable) valency and secondary (nonionizable) valency.
- Postulate (2): The ionizable sphere consists of entities which satisfy the primary valency of the metal. Primary valencies are generally satisfied by anions.
- Postulate (3): The secondary coordination sphere consists of entities which satisfy the secondary valencies and are non ionizable. The secondary valencies for a metal ion are fixed and satisfied by either by anions or neutral ligands. Number of secondary valencies is equal to the coordination number
- Postulate (4): The secondary valencies have a fixed spatial arrangement around the metal ion.
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संबंधित प्रश्न
The charge on metal ion in [Fe(CN)6]4− is _________
Hybridization of cobalt in [Co(NH3)6]3+ complex ion is _____________
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The charge number and coordination number of 2+ the complex [Co(en)2Cl2]2+ are ____________ respectively.
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What is the value of primary valence of copper chloride according to Werner's theory?
Which of the following is a property of coordination compound and not of double salt?
The correct charge on and co-ordination number of 'Fe' in K3[Fe(CN)6] is ______.
Define coordination sphere. Give example.
Give the primary and secondary valencies of cobalt in the coordination compound [Co(NH3)6]Cl3.
Find out the oxidation state of cobalt ions in the complex [Co(NH3)5Br]S04.
Write postulates of Werner’s theory of co-ordination complexes.
