In which pair, or pairs, is the stronger bond found in the first species
$(a)$ $O_2^ - ,{O_2}$ $(b)$ ${N_2},N_2^ +$ $(c)$ $NO^+, NO^-$
$a$ only
$b$ only
$(a)$ and $(c)$ only
$(b)$ and $(c)$ only
Which one of the following pairs of species have the same bond order ?
The number and type of bonds in $C_2^{2 - }$ ion in $CaC_2$ are
Assertion :Fluorine molecule has bond order one.
Reason : The number of electrons in the antibonding molecular orbitals is two less than that in bonding molecular orbitals.
Explain formation of $\mathrm{H}_{2}$ and energy level diagram of $\mathrm{H}_{2}$ molecule.
According to the molecular orbital theory, the bond order in ${C_2}$ molecule is