Question
Which of the following combinations of orbtials are allowed in LCAO method (considering z-axis to be molecular axis) and sketch the shapes of molecular orbitals formed by their addition and subtraction:
(i) s and pz
(ii) px and px
(iii) pz and py
(iv) s and px.
Solution
Allowed combinations:
(i) s and p.z combination
(ii) px and px combination.
Not allowed combinations:
(iii) py and py combination Since they have
