Trying to find the right answer to this..

Coloure is shown because of the unpaired electron. Ni 2+ electronic configuration is 4s 0 3d 8 due to incompletely filled d-orbitals nickel ion show colour.

Previous Year Papers

Download Solved Question Papers Free for Offline Practice and view Solutions Online.

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.

The d-And-f-Block Elements

Short Answer Type

61. Why do transition elements exhibit paramagnetism?

176 Views

62.

Why does Mn(II) ion show maximum paramagnetic character amongst bivalent ions of first transition series?

1753 Views

63.

Calculate the magnetic moment of Fe³⁺ ion (at. no. of Fe = 26).

2460 Views

64. Why Zn²⁺ salts are white while Ni²⁺ salts are blue?

303 Views

65. Why Zn²⁺ salts are white while Cu²⁺ salts are blue?

192 Views

66. [Ti(H₂O)₆]³⁺ is coloured while [Sc(H₂O)₆]³⁺ is colourless. Explain.

1908 Views

67. Giving reasons indicate which one of the following would be coloured?
Cu⁺, V²⁺, Sc³⁺ Ni²⁺ (At. No., Cu = 29, V = 23, Sc = 21, Ni = 28)

Coloure is shown because of the unpaired electron. Ni²⁺ electronic configuration is 4s⁰ 3d⁸ due to incompletely filled d-orbitals nickel ion show colour.

171 Views