Exercise 1

The diamagnetic species is:

Among the following atomic orbital overlaps, the non-bonding overlap is:

The $\mathrm{C}-\mathrm{O}$ bond length in $\mathrm{CO}, {\mathrm{CO}}_2$ and ${\mathrm{CO}}_3^{2-}$ follows the order:

${\mathrm{XeF}}_6$, on complete hydrolysis yields $\text{'}\mathrm{X}\text{'}$. The molecular formula of $\mathrm{X}$ and its geometry, respectively, are:

The $\mathrm{F}-\mathrm{B}-\mathrm{F}$ bond angels in ${\mathrm{BrF}}_5$ and $\mathrm{Cl}-\mathrm{P}-\mathrm{Cl}$ bond angles in ${\mathrm{PCl}}_5$, respectively, are

The molecule with the highest dipole moment among the following is:

The molecule with non-zero dipole moment is:

Which of the following molecules has no dipole moment?