Which of the following species is not paramagnetic?

What is the bond order of the $CO$ molecule?

The bond order and magnetic property of acetylide ion are same as that of $........$.

For $F_2$ and $OF$ molecules,consider the following statements:
$(a)$ Bond order for both is one
$(b)$ $OF$ is paramagnetic but $F_2$ is diamagnetic
$(c)$ $F_2$ is more likely to dissociate into atoms than $OF$
$(d)$ Both have greater number of electrons in $BMO$ than that in $ABMO$
Which of the following statements are true $(T)$ or false $(F)$ respectively?

The bond order in $N_2$ molecule is

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