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A compound has the empirical formula CoC...

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

A

`[Co(NH_3)_(5)Cl_2]Cl`

B

`[Co(NH_3)_(5)Cl]Cl_2`

C

`[Co(NH_3)_(5)Cl_(3)]`

D

`[Co(NH_3)_(4)Cl_2]Cl.NH_3`

Text Solution

Verified by Experts

The correct Answer is:
B
`[Co(NH_3)_(5)Cl]CL_2` + `2AgNO_3` `darr` `[Co(NH_3)_(5)Cl](NO_3)_2` + 2AgCl.
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