NCERT Class XII Chemistry
Chapter - Coordination Compounds
Questions with Solutions

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Question : 36
Total: 43
Give evidence that [Co(NH3)5Cl]SO4 and [Co(NH3)5SO4]Cl are ionisation isomers.
Solution:  
The ionisation isomers dissolve in water to yield different ions andthus react differently to various reagents:
[Co(NH3)5Cl]SO4+Ba2+BaSO4(s)(white ppt.)
[Co(NH3)5SO4]Cl+Ba2+ No reaction
[Co(NH3)5Cl]SO4+Ag+ No reaction
[Co(NH3)5SO4]Cl+Ag+AgCl(s) (white ppt.)
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