Solutions Test ...

Which of the following behaviour is true about the ideal binary liquid solution of liquids A and B if $$ P^0_A < P^0_B $$?

Benzene and toulene from an ideal solution, the vapour pressures of the benzene and toluene are 75 mm and 25 mm respectively at $$ 20^0 C $$ if the mole fractions of benzene and toluene in vapour are 0.75 and 0.25 respectively the vapour pressure of the ideal solution is 

The ratio between lowering of vapour pressure of solution and mole fraction of solute is equal to 

The vapour pressure of a soluiton of two liquids A ( $$ P^0 = 80 mm , X = 0.4 ) $$ and $$ B ( P^0 = 120mm ,X=0.6 ) $$ is found to be 100 mm, it shows that the solution exhibits

Heptane and octane from ideal solution at 373 K the vapour pressure of the pure liquids are 106 kPa and 46 kpa respectively . what will be the vapour pressure, in bar of mixture of 30.0 g of heptane and 34.2 g of octane ?

For an ideal solution of A and B , $$ Y_A $$ is the mole fraction of A in the vapour phase at equilibrium . which of the following plot should be linear ?

An aqueous solution containing 0.25 moles of non-volatile but strong electrolytes solute X in 500 g water freeze at $$ -2.79^0 C .$$ The number of ions furnished in water per formula unit of X is $$ (K_f = 1.86 ) $$

Under the condition of a similar temperature, which of the following solution will have, minimum vapour pressure?

A liquid solution is formed by mixing 10 moles of anline and 20 moles of phenol at a temperature where the vapour phenol are 90 and 897 mm Hg, respectively . The possible vapour pressure of solution at that temperature is ?

A mixture contains 1 mole of volatile liquid $$ A (P^0_A = 100 mm Hg ) $$ and 3 moles of volatile liquid$$ B (P^0_B = 80 mm Hg ) $$ if the solution behaves ideally, the total vapour pressure of the distillate is