in a solutiont, they exhibit abnormal colligative properties Van't Hoft factor explains quantitatively the extent of association or dissociation of soluts in solvent. Evaluation I. Choose the best answer. .
The molality of a solution containing .8g of glucose dissolved in 250g of water is a) . M b) . M c) . M d) .
M . Which of the following concentration terms is / are independent of temperature a) molality b) molarity c) mole fraction d) (a) and (c) . Stomach acid, a dilute solution of HCl can be neutralised by reaction with Aluminium hydroxide Al (OH) + 3HCl (aq) → AlCl + H O How many millilitres of . M Al(OH) solution are needed to neutralise mL of .
M HCl ? a) mL b) mL c) mL d) none of these . The partial pressure of nitrogen in air is . atm and its Henry's law constant is .
× atm at 300K. What is the molefraction of nitrogen gas in the solution obtained when air is bubbled through water at 300K ? a) × – b) × – c) × – d) × – . The Henry's law constant for the solubility of Nitrogen gas in water at K is × atm.
The mole fraction of nitrogen in air is . . The number of moles of Nitrogen from air dissolved in moles of water at 350K and atm pressure is a) × – b) × c) × – d) . × – .
Which one of the following is incorrect for ideal solution ? a) D H mix = b) D U mix = c) D P = P observed – P Calculated by raoults law = d) D G mix = . Which one of the following gases has the lowest value of Henry's law constant ? a) N b) He c) CO d) H