Three moles of AgCl get precipitated when one mole of an octahedral co-ordination compound with empirical formula CrCl?·3NH?·3H?O reacts with excess of silver nitrate. The number of chloride ions satisfying the secondary valency of the metal ion is ______.
Three moles of AgCl get precipitated when one mole of an octahedral co-ordination compound with empirical formula CrCl?·3NH?·3H?O reacts with excess of silver nitrate. The number of chloride ions satisfying the secondary valency of the metal ion is ______.
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1 Answer
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CrCl? ·3NH? ·3H? O gives 3 moles of AgCl precipitate. This means all three Cl? are outside the coordination sphere.
The complex is [Cr (NH? )? (H? O)? ]Cl?
The 3 chloride ions satisfy only primary valency.
secondary valency satisfied by chloride ion = 0
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