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  3. Chemistry
  4. A compound has the empirical formula CoCl3.5NH3. When an aqueous solution of this compound is mixed with excess silver nitrate, 2 mol of AgCl precipitates per mol of compound. On reaction with excess HCl, no NH4+ is detected. Hence it is

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Q. A compound has the empirical formula $CoCl_{3}.5NH_{3}$. When an aqueous solution of this compound is mixed with excess silver nitrate, $2$ mol of $AgCl$ precipitates per mol of compound. On reaction with excess $HCl$, no $NH_{4}^{+}$ is detected. Hence it is

Coordination Compounds

Solution:

$[Co \underset{\downarrow }{(NH3)_{5}}Cl] Cl_{2} +$ Excess $AgNO_{3} \to 2AgCl$
Two chloride ions are present out of coordination sphere which is ionisable.