Question

What type of isomers are `[Co(NH_3)_5Br]SO_4`and `[Co(NH_3)_5SO_4]Br`?. Give a  chemical test to distinguish between them.

Answer 1

`[Co(NH_3)_5Br]SO_4-> [Co(NH_3)_5Br]^(2+) + SO_4^(2-)`

`[Co(NH_3)_5 SO_4]Br -> [Co(NH_3)_5 SO_4]^(1+) + Br`

Both are ionisation isomers

`[Co(NH_3)_5 Br]SO_4 + BaCl_2 -> red voilet ppt of (BaSO_4)`

`[Co(NH_3)_5SO_4]Br + AgNO_3 ->` red ppt of (AgBr)