What is the important physicochemical property of paracetamol that influences its route of elimination as the free drug? How does conversion of paracetamol to paracetamol glucuronide alter the physicochemical properties and consequently the route of elimination?

What is the important physicochemical property of paracetamol that influences its route of elimination as the free drug? How does conversion of paracetamol to paracetamol glucuronide alter the physicochemical properties and consequently the route of elimination?