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P-Illiterate
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Homework Statement
Which process, the formation of the chloro complex, or the formation of the aquo complex, is endothermic?
Co(H2O)62+ (aq) + 4Cl- <---> CoCl4 + 6H2O (l)
Pink ----------------------------- Blue
The Attempt at a Solution
The reaction above is endothermic because it turned blue when it was heated.
But I don't know which one is chloro -complex ( CoCl4)? and which one is aquo complex (Co(H2O)62)??
is that right? Can I state its endothermic because the color changed? or is there any other reason?