Stoichiometry The forces causing the vaporisation of liquid are derived from the Kinetic energy of translation of its molecules. The heat of vaporisation Becomes zero at the critical point Decreases with increasing pressure Increases with pressure rise Both B & C Becomes zero at the critical point Decreases with increasing pressure Increases with pressure rise Both B & C ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Kopp's rule is helpful in finding the Heat capacities of solids Molal heat capacities of gases Heat capacities of gases Activation energy Heat capacities of solids Molal heat capacities of gases Heat capacities of gases Activation energy ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry pH value of an alkaline solution is Constant over a wide range 7 < 7 > 7 Constant over a wide range 7 < 7 > 7 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapour pressure of a solution (made by dissolving a solute in a solvent) is __________ that of the pure solvent. More than Less than Equal to Either more or less; depends on the solvent More than Less than Equal to Either more or less; depends on the solvent ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The activity co-efficient of a solution, which accounts for the departure of liquid phase from ideal solution behaviour Measures the depression in freezing point Is not dependent on the temperature Measures the elevation in boiling point Is a function of the liquid phase composition Measures the depression in freezing point Is not dependent on the temperature Measures the elevation in boiling point Is a function of the liquid phase composition 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 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 Unchanged with pressure changes ANSWER DOWNLOAD EXAMIANS APP
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