Match the following two Column - I and Column - II : {:(,"Column - I",,"Column - II"),((U),"Raoult's law for volatile solute and volatile solvent",(i),P_(A)=p_(A)^(0).X_(A)),((V),"Raoult's law for gaseous solute and liquid solvent",(ii),P_(A)p_(A)^(0)+(p_(B)^(0)+p_(A)^(0))X_(B)),((W),"Raoult's law for non - volatile solute and volatile solvent",(iii),(p_(1)^(0)-p_(1))/(p_(1)^(0))=(n_(2))/(n_(1)+n_(2))):}

What is the nature of graph of mole fraction of gaseous solute and its partial pressure ?

According to Raoult's law, for which system of solution, the vapour pressure of both i.e., solute and solvent will be proportional to their mole fraction ?