Which set of ions exhibit specific colours? (Atomic number of Sc = 21, Ti = 22, V=23, Mn = 25, Fe = 26, Ni = 28 Cu = 29 and Zn =30)

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

Which of the following ions has a magnetic moment of 5.93 BM ? (Atomic number of V= 23 , Cr= 24 , Mn = 25 , Fe = 26 )

In which of the following paris both the ions are coloured in aqueous solution? (Atomic number, Sc - 21, Ti = 22, Ni = 28, Cu = 29, Co = 27)

In which of the following paris both the ions are coloured in aqueous solution? (Atomic number, Sc - 21, Ti = 22, Ni = 28, Cu = 29, Co = 27) (a) Ni^(2+), Ti^(3+) (b) Sc^(3+),Ti^(3+) (c) Sc^(3+),Co^(2+) (d) Ni^(2+),Cu^(+)

Which of the following ions has a magnetic moment of 5.93 BM? (Atomic number of V=23, Cr=24, Mn=25,Fe=26)

Which one of the following complexes? [Atomic numbers, Mn=25, Fe = 26, Co = 27, Ni = 28]

The aqueous solution containing which one of the following ions will be colourless (Atomic number Sc = 21, Fe = 26, Ti = 22, Mn = 25)

The aqueous solution containing which one of the following ions will be colourless (Atomic number Sc = 21, Fe = 26, Ri = 22, Mn = 25)