When two atomic orbitals of comparable energies undergoes destructive interference there is formation of :
3 nodal plane.
2 nodal plane.
1 nodal plane
4 nodal plane.
As we have learnt,
When two atomic orbitals of comparable energies undergoes destructive interference there is formation of antibonding molecular orbital
having 3-nodal planes.
Hence, option number (1) is correct.
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