The increasing order of viscosity of the following compounds is given as $\text{ hexane }<{\mathrm{H}}_2\mathrm{O}<\text{ glycerol }$

which of the following is the correct reason?

As stronger the inter molecular forces, greater will be the viscosity. Glycerol has strongest intermolecular force due to hydrogen bonding (three H-bond per molecule). Hence, the correct order is hexane < ${\mathrm{H}}_2\mathrm{O}$ < glycerol.