The energy of an electron in 2py orbital is :
Greater than that in 2pz orbital.
Less than that in 2px orbital.
Equal to that in 2s orbital.
Equal to that in 2pz orbital.
The correct option is D Equal to that in 2pz orbital.
The energy of orbitals doest not depend on the ml values.
So the orbitals 2px, 2py and 2pz are of the same energy and are called degenerate orbitals.