" ad "[" Inters Question "],[" 8.9Explain why Cu' ion is not stable in aqueous solutions? "]

(a) Why do transition metals and their compounds are found to be good catalysts? (b) The 5d series of transition metals have more frequent metal-metal bonding in their compounds than do the 3d and 4d metals. Explain. (c ) Why do transition metals form complexes? (d) Explain why Cu^+ ion is not stable in aqueous solution. (e ) Why is europium (II) more stable than cerium (II)?

Which of the following ions is most stable in aqueous solution ?

Explain the following: Cu(I) ion is not known is aquous solution

Which one of the following ions is the most stable in aqueous solutions ?