The correct order of the $O-O$ bond length in $O_2, H_2O_2$ and $O_3$ is
$O_3 > H_2O_2 > O_2$
$O_2 > H_2O_2 > O_3$
$O_2 > O_3 > H_2O_2$
$H_2O_2 > O_3 > O_2$
Using $MO$ theory, predict which of the following species has the shortest bond length ?
Which of the following is paramagnetic ?
Sum of bond order of $\mathrm{CO}$ and $\mathrm{NO}^{+}$is____________.
Which one of the following species does not exist under normal conditions ?
Which of the following statement is correct for peroxide ion
$A.$ has completely filled antibonding molecular orbitals
$B.$ is diamagnetic
$C.$ has bond order one
$D.$ is isoelectronic with Neon