[" There "x" .Question "],[" 8.9Explain why "Cu^(+)" ion is not stable in aqueous solutions? "]

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

Explain why Fe^(3+) ion is more stable than Fe^(2+) ion in aqueous solution.

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

(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)?