Question

Differentiate between primary and secondary valency

Answer 1

The primary valence is the number of negative ions needed to satisfy the charge on the metal ion. In CoCl3 6NH3 the cobalt(III) complexe three Cl- ions are needed to satisfy the primary valence of the Co3+ ion. The secondary valence is the number of ions of molecules that are coordinated to the metal ion.

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Answer 2

Answer:

The primary valence is the number of negative ions needed to satisfy the charge on the metal ion. In CoCl3 6NH3 the cobalt(III) complexe three Cl- ions are needed to satisfy the primary valence of the Co3+ ion. The secondary valence is the number of ions of molecules that are coordinated to the metal ion

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