9.4 Give evidence that [Co(NH3 )5Cl]SO4 and [Co(NH3 )5 (SO4 )]Cl are ionisation isomers.
9.4 Give evidence that [Co(NH3 )5Cl]SO4 and [Co(NH3 )5 (SO4 )]Cl are ionisation isomers.
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1 Answer
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These compounds give different ions in aqueous solution. This can be tested by using AgNO3 solution and BaCl2
[Co (NH3)5Cl]SO4 (aq) + BaCl2 (aq) → BaSO4 (ppt)
[Co (NH3)5Cl]SO4 (aq) + AgNO3 (aq) → no reaction
[Co (NH3)5 (SO4)]Cl (aq) + BaCl2 (aq) → no reaction
[Co (NH3)5 (SO4)]Cl (aq) + AgNO3 (aq) → AgCl (ppt)
Hence, they give different precipitates with different solutions. Thus, they are ionisation isomers.
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