In the molecular orbital diagram for the molecular ion,$N_2^+$,the number of electrons in the $\sigma_{2p_z}$ molecular orbital is

Which of the following linear combinations of atomic orbitals will lead to the formation of molecular orbitals in homonuclear diatomic molecules [internuclear axis in $z$-direction]?

The total number of antibonding molecular orbitals,formed from $2s$ and $2p$ atomic orbitals in a diatomic molecule is . . . . . .

In which of the following pairs do the molecules have a bond order of $3$ and are isoelectronic?

Which of the following statements is incorrect when $C_2$ changes to $C_2^{2-}$?

According to molecular orbital theory,which of the following is true with respect to $Li_2^+$ and $Li_2^-$?