EasyChemistryWerner's Theory
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When AgNO₃ is added to a solution of Co(NH₃)₅Cl₃, the precipitate of AgCl shows two ionisable chloride ions. This means –
A
Two chlorine atom satisfy primary valency and one secondary valency
B
One chlorine atom satisfies primary as well as secondary valency
C
Three chlorine atoms satisfy primary valency
D
Three chlorine atoms satisfy secondary valency
Explanation
Two Cl⁻ ions are outside the coordination sphere (primary valency) and one Cl⁻ is coordinated (secondary valency).
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The co-ordination number of cobalt in [Co(en)₂Br₂]Cl₂ is –
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