Which of the following conditions is not correct for the formation of molecular orbitals by LCAO?
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a
Combining orbitals must have the same or nearly same energy.
b
The combining atomic orbitals must have the same symmetry about the molecular axis.
c
The combining atomic orbitals must overlap partially but to the maximum extent.
d
px atomic orbital can form π-molecular orbital by combining with py atomic orbital.
answer is D.
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Detailed Solution
It is a wrong concept and is not a part of conditions for the formation of molecular orbital by LCAO. Px and Py orbitals cannot combine since they are not on the same axis.