Question

What is the number of unpaired electrons present in f-orbital at +3 oxidation state of Lu (Z = 71)?

पर्याय

• 0

• 4

• 2

• 7

Answer 1

0

Explanation:

Lutetium (Lu) has [Xe]4f¹⁴ 5d¹ 6s² electronic configuration and Lu³⁺ has [Xe]4f¹⁴. There is no unpaired electron in f-orbital of Lu³⁺.