is [Ag(NH3)2]+

Question

[Mn(CN)6]3-
[CrCl3(H2O)3]

are any of these colorless?

Answer 1

I believe that a freshly prepared solution of Ag(NH3)2^+ is colorless. The other two are colored and silver salts turn a purple color if left in sunlight (which is why I said freshly prepared).