Asked by Ranger
what accounts for the colour change from green to blue in the reaction below
[Ni(H2O)6]Cl2 + 6NH3 --> [Ni(NH3)6]Cl2 + 6H2O
[Ni(H2O)6]Cl2 + 6NH3 --> [Ni(NH3)6]Cl2 + 6H2O
Answers
Answered by
Anjana
its because of addition of ammonia and dehydrogenation occurs
Answered by
DrBob222
Anjana may have meant dehydration and not dehydrogenation. Primarily it's because of the change from water as a complexing agent to ammonia as a complexing agent. Ammonia is a stronger field splitting agent (eg and t2g) then water and shows a larger energy difference between the two levels.
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