NCERT Class XI Chemistry Solutions

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Question : 34
Total: 40
Write the important conditions required for the linear combination of atomic orbitals to form molecular orbitals.
Solution:  
Necessary conditions for linear combination of atomic orbitals :
(i) The symmetry and relative energies of combining atomic orbitals ψA and ψB must be close to each other.
(ii) The extent of overlap between the charge clouds of ψA and ψB should be large.
(iii) Atomic orbitals of the same sign should overlap.
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