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 Addition of a non-volatile solute to a solvent produces a __________ in its solvent. Boiling point depression Freezing point elevation Vapor pressure lowering All of these Boiling point depression Freezing point elevation Vapor pressure lowering All of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A vessel of volume 1000 m³ contains air which is saturated with water vapour. The total pressure and temperature are 100 kPa and 20°C respectively. Assuming that the vapour pressure of water at 20°C is 2.34 kPa, the amount of water vapour (in kg) in the vessel is approximately 17 25 20 34 17 25 20 34 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In a neutral solution OH⁻ ions are absent Both H⁺ and OH⁻ ions are present in very small but equal concentration None of these H⁺ ions are absent OH⁻ ions are absent Both H⁺ and OH⁻ ions are present in very small but equal concentration None of these H⁺ ions are absent ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In which of the following case of mixing of a strong acid with strong base (each of 1N concentration), temperature increase will be the highest? 30 c.c acid and 30 c.c base 15 c.c acid and 35 c.c base 20 c.c acid and 25 c.c base 35 c.c acid and 15 c.c base 30 c.c acid and 30 c.c base 15 c.c acid and 35 c.c base 20 c.c acid and 25 c.c base 35 c.c acid and 15 c.c base ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In case of a ternery system involving two liquid components and a solute, the ratio of the concentration of the solute in the two phases at equilibrium is called the distribution co-efficient. The distribution co-efficient depends upon the Temperature Neither A nor B Solute concentration Both A & B Temperature Neither A nor B Solute concentration Both A & B ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS