Hydrogen  bonding in ${\mathrm{H}}_2{\mathrm{SO}}_4$ leads to all the following except

Due to inter molecular H-bonding , attractions between molecules of ${\mathrm{H}}_2{\mathrm{SO}}_4$ become stronger;

B.P increases , Viscosity increases and it acquires syrupy nature;

Dehydrating character is not related to H-bonding;