Solutions

Ans  A,C,D


@aditya could you please explain how you wrote the star marked formula


@ShreyaNair0
he applied the fact that
total moles in original solution=total moles in residue+total moles in distillate
assuming total moles to be 1 he calculated mole fraction
hope you understandright? @aditya

@aditya @NishantThakre
got it... Thanks