The correct order for $O-O$ bond length in given substance is
$I.$ $H_2O_2$ $II.$ $O_2$ $III.$ $O_3$
$I < II < III$
$II < I < III$
$II < III < I$
$III < I < II$
Explain energy level diagram for molecular orbital form by $1\mathrm{s}$ orbitals.
In $O_2^ - ,$ ${O_2}$ and $O_2^{ - 2}$ molecular species, the total number of antibonding electrons respectively are
Which one of the following is paramagnetic
Maximum unpaired electrons are present in
Which of the following pairs have identical values of bond order ?