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EasyChemistryWerner's Theory
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A co-ordination complex of cobalt has molecular formula containing five ammonia molecules, one nitro group and two chlorine atoms for one cobalt atom. One mole of this compound produces three mole ions in an aqueous solution. In reacting this solution with excess of silver nitrate solution, two moles of AgCl get precipitated. Ionic formula of this complex would be –
A
[(Co(NH₃)₄NO₂Cl].[(NH₃)Cl]
B
[(Co(NH₃)₅Cl).[Cl(NO₂)]
C
[(Co(NH₃)₅(NO₂)]Cl₂
D
[(Co(NH₃)₅].[NO₂)₂Cl₂]
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When AgNO₃ is added to a solution of Co(NH₃)₅Cl₃, the precipitate of AgCl shows

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