Which of the following ions is the most stable in aqueous solution ?
`(At . No . Ti = 22, V = 23, Cr = 24, Mn = 25)`

Which one of the following ions is the most stable in aqueous solution (At.No. Ti = 22, V = 23, Cr = 24, Mn = 25)

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

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

The following ion in its aqueous solution is colourless: (Atomic number: Sc = 21, Fe = 26, Ti = 22, Mn = 25)

Among the following series of transition metal ions the one where all the metal ions have 3d^2 configuration is - (At No T_i = 22 , V=23 , Cr = 24 , Mn = 25 )