Question

Significant of hund's rule?

Answer 1

Answer:

hunds rule it is very important In quantam mecahnical model

and also helpful in explaining mot theory

Answer 2

Answer:

Hund's rule : every orbital in a subshell is singly occupied with one electron before any orbital is doubly occupied, and all electron in singly occupied orbitals have the same spin.

Those implies that if two or more orbital of equal energy r available electron will occupy them singly before filling them in pairs.

The rule discovered by Friedrich Hund in 1925,is of imp. Use in chem. spectroscopy and quantum chem. and it often abbreviated to hund's rule, ignoring other two rules.

Hope It HELPS U:)