The correct order of energy levels of the molecular orbitals of N_2 is

1 \sigma_ g \lt 1 \sigma_ u \lt 2 \sigma_ g \lt 2 \sigma_ u \lt 1 \pi_ u \lt 3 \sigma_ g \lt 1 \pi_ g \lt 3 \sigma_ u

1 \sigma_ g \lt 1 \sigma_ u \lt 2 \sigma_ g \lt 2 \sigma_ u \lt 3 \sigma_ g \lt 3 \sigma_ u \lt 1 \pi_ u \lt 1 \pi_ g

1 \sigma_ g \lt 1 \sigma_ u \lt 2 \sigma_ g \lt 2 \sigma_ u \lt 1 \pi_ g \lt 3 \sigma_ g \lt 1 \pi_ u \lt 3 \sigma_ u

1 \sigma_ g \lt 1 \sigma_ u \lt 2 \sigma_ g \lt 2 \sigma_ u \lt 3 \sigma_ g \lt 1 \pi_ u \lt 1 \pi_ g \lt 3 \sigma_ u

Chemical Bonding and Shapes of Molecules PYQ — IIT JAM 2023 · Q29 with Solution

A

1 \sigma_ {\mathrm{g}} \lt 1 \sigma_ {\mathrm{u}} \lt 2 \sigma_ {\mathrm{g}} \lt 2 \sigma_ {\mathrm{u}} \lt 1 \pi_ {\mathrm{u}} \lt 3 \sigma_ {\mathrm{g}} \lt 1 \pi_ {\mathrm{g}} \lt 3 \sigma_ {\mathrm{u}}

B

1 \sigma_ {\mathrm{g}} \lt 1 \sigma_ {\mathrm{u}} \lt 2 \sigma_ {\mathrm{g}} \lt 2 \sigma_ {\mathrm{u}} \lt 3 \sigma_ {\mathrm{g}} \lt 3 \sigma_ {\mathrm{u}} \lt 1 \pi_ {\mathrm{u}} \lt 1 \pi_ {\mathrm{g}}

C

1 \sigma_ {\mathrm{g}} \lt 1 \sigma_ {\mathrm{u}} \lt 2 \sigma_ {\mathrm{g}} \lt 2 \sigma_ {\mathrm{u}} \lt 1 \pi_ {\mathrm{g}} \lt 3 \sigma_ {\mathrm{g}} \lt 1 \pi_ {\mathrm{u}} \lt 3 \sigma_ {\mathrm{u}}

D

1 \sigma_ {\mathrm{g}} \lt 1 \sigma_ {\mathrm{u}} \lt 2 \sigma_ {\mathrm{g}} \lt 2 \sigma_ {\mathrm{u}} \lt 3 \sigma_ {\mathrm{g}} \lt 1 \pi_ {\mathrm{u}} \lt 1 \pi_ {\mathrm{g}} \lt 3 \sigma_ {\mathrm{u}}