Assume that a P orbital is dumbbell shaped the two major lobes in a certain atom contains one electron. In which lobe is electron most likely to be found? Explain, indicating the principle on which the answer is based.

According to Hund's rule, electrons occur singly when filling degenerate orbitals before pairing takes place. Since the three orbitals are degenerate, any of px, py or pz may be first filled.

If one lobe of any of the px, py or pz is first filled, the next electron must go into the next degenerate orbital. When all are filled, pairing of electron spins may now begin.

onyebuchinnaji onyebuchinnaji · Answer 2 · 2021-11-25T17:35:38+01:00

Based on Hund's rule the electron is most like to be found in Px, Py or Pz, and it will fill them singly before paring.

The P-orbital has three sub-orbitals or degenerate orbitals such as Px, Py and Pz which an electron occupy at a time before paring.

The maximum electron in P-orbital is 6 electrons, each degenerate orbital will contain maximum of 2 electrons.

According to Hund's rule, electron will fill the degenerate or sub-orbitals singly first before paring.

Thus, we can conclude that based on Hund's rule the electron is most like to be found in Px, Py or Pz, and it will fill them singly before paring.

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