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Werner's Coordination Theory

Write primary...

Question

Write primary and secondary valency of $C o$ in $[C o (N n_{3})_{6}] C l_{3}$ ?

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Solution

Primary valence is 3. Since, 3 chloride ligands are present, the oxidation number of Co is +3.
Secondary valence is 6. Since, 6 ammonia ligands are present, the co -ordination number of Co is 6.

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According to Werner's theory primary and secondary valency of [CoCl₃(NH₃)₃]Cl₃ is

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