Plot the fraction of each ion against logNH3] for the stepwise formation of the amine complexes...

Plot the fraction of each ion against logNH₃] for the stepwise formation of the amine complexes of Cu²⁺ , K_f1=1*10^4 ,K_f2=5*10^3, K_f3=1*10^3 , K_f3=1*10^3 , K_f4=2*10^2 , K_f5=0.25

Expert Solution

As I was not given the complex I will assume:

Liquid ammonia is used extensively as a nonaqueous solvent. The alkali metals as well as the heavieralkaline-earth metals and even some inner transition metals dissolve in liquid ammonia, producing blue solutions. Physical measurements, including electrical-conductivity studies, provide evidence that this blue colour and electrical current are due to the solvated electron. metal (dispersed) ? metal(NH3)x ? M+(NH3)x + e?(NH3)yThese solutions are excellent sources of electrons for reducing other chemical species. As the concentration of dissolved metal increases, the solution becomes a deeper blue in colour and finally changes to a copper-coloured solution with a metallic lustre. The electrical conductivity decreases, and there is evidence that the solvated electrons associate to form electron pairs.2e?(NH3)y ? e2(NH3)y

queen_honey_blossom answered 2 years ago

Why are amine complexes of Cu(II) more intensely blue than the aqua complexes?

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