Among the following degenerate orbitals are

 The increasing order of energies of various molecular orbitals for molecules having greater than 14e^- is

$\sigma 1s<\sigma *1s<\sigma 2s<\sigma *2s<\sigma 2p_x<\pi 2p_y=\pi 2p_z<\pi *2p_y=\pi *2p_z<\sigma *2p_x$

The increasing order of energies of various molecular orbitals for molecules having less than or equal to 14e^- is,

$\mathrm{\sigma }1\mathrm{s}<\mathrm{\sigma }*1\mathrm{s}<\mathrm{\sigma }2\mathrm{s}<\mathrm{\sigma }*2\mathrm{s}<\mathrm{\pi }2{\mathrm{p}}_{\mathrm{y}}=\mathrm{\pi }2{\mathrm{p}}_{\mathrm{z}}<\mathrm{\sigma }2{\mathrm{p}}_{\mathrm{x}}<\mathrm{\pi }*2{\mathrm{p}}_{\mathrm{y}}=\mathrm{\pi }*2{\mathrm{p}}_{\mathrm{z}}<\mathrm{\sigma }*2{\mathrm{p}}_{\mathrm{x}}$