Stoichiometry The vapor pressure of the solvent decreased by 10 mm Hg, when a non-volatile solute was added to the solvent. The mole fraction of the solute in the solution is 0.2. What should be the mole fraction of the solvent, if the decrease in vapor pressure of the solvent is required to be 20 mm Hg.? 0.2 0.1 0.4 0.6 0.2 0.1 0.4 0.6 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A solution having a pH value of 5 is less acidic than the one having a pH value of 2 by a factor of 1000 3 100 None of these 1000 3 100 None of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following is not a colligative property? Depression of freezing point None of these Lowering of vapor pressure Osmotic pressure Depression of freezing point None of these Lowering of vapor pressure Osmotic pressure ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry An azeotropic solution of two liquids has boiling point lower than either of them, when it Shows positive deviation from Raoult's law Shows negative deviation from Raoult's law Is saturated Is unsaturated Shows positive deviation from Raoult's law Shows negative deviation from Raoult's law Is saturated Is unsaturated ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In case of a solution (not of a solid in a liquid), whose total volume is less than the sum of the volumes of its components in their pure states, solubility is Unchanged with pressure changes Increases with rise in pressure Increased with decrease in pressure Independent of temperature Unchanged with pressure changes Increases with rise in pressure Increased with decrease in pressure Independent of temperature ANSWER DOWNLOAD EXAMIANS APP
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