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Cobalt (III) chloride forms several octa...

Cobalt (III) chloride forms several octahedral complexes with amonia. Which of the following will not give test for chloride ions with silver nitrate at `25^@C`?

A

`CoCl_3 * 4NH_3`

B

`CoCl_3 * 5NH_3`

C

`CoCl_3 * 6NH_3`

D

`CoCl_3 * 3NH_3`

Text Solution

Verified by Experts

The correct Answer is:
D
`CoCl_3 . 3NH_3` will not give test for chloride ions with silver nitrate due to absence of ionisable chloride atoms .
`CoCl_3 . 3NH_3 implies [Co(NH_3)_3 Cl_3]`
`[Co(NH_3)_3 Cl_3] overset(AgNO_3)to ` no ppt
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