Question

What are the conditions for the combination of atomic orbitals??

Explain it point wise!!

​

Answer 1

Conditions for effective linear combination of atomic orbitals:

• The combining atomic orbitals should have same or nearly same energy
• The atomic orbitals should have the same symmetry about the molecular axis

Answer 2

★ The conditions for the combination of atomic orbitals:-

→ The combining atomic orbitals must have same or nearly same energy.

→ This means that 1s orbital can combine with another 1s orbital but not with 2s orbital.

→ This is because 1s orbital has less energy than 2s orbital.

→ The combining atomic orbitals must have the same symmetry about the molecular axis.

→ The means that 2px orbital of one atom can combine with 2px orbital of another atom.

→ But 2px cannot combine with 2p, or 2pz because of their different symmetries.

→ The combining atomic orbitals must overlap to maximum extent.