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A solution contains 2.675 g of CoCl3. 6N...

A solution contains 2.675 g of `CoCl_3. 6NH_3` ( molar mass =267.5 g `mol^(-1)`) is passed through a cation exchanger . The chloride ions obtained in solution were treated with excess of `AgNO_3` to give 4.78 g of AgCl. The formula of the complex is_________.

A

`[CoCl(NH_3)_5]Cl_2`

B

`[Co(NH_3)_6]Cl_3`

C

`[Co(NH_3)_4Cl_2]Cl`

D

`[Co(NH_3)_3Cl_3]`

Text Solution

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The correct Answer is:
B
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