Stoichiometry For the gaseous phase reaction, N₂ + O₂ ⇋ 2NO, ΔH = + 80 kJ/kg. mole; the decomposition of NO is favoured by Increase in pressure Decrease in temperature Decrease in pressure Increasing the concentration of N₂ Increase in pressure Decrease in temperature Decrease in pressure Increasing the concentration of N₂ ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following has the smallest least effect on the solubility of a solute into the solvent? Nature of the solvent Pressure Nature of the solute Temperature Nature of the solvent Pressure Nature of the solute Temperature ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The effect of pressure on the heat capacity of the gases __________ is negligible. Neither A nor B At pressure below one atmosphere Below the critical temperature Both A & B Neither A nor B At pressure below one atmosphere Below the critical temperature Both A & B ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Vapor pressure of a solution is proportional to(where, Sv and St are mole fraction of solvent and solute respectively). St 1/St Sv 1/Sv St 1/St Sv 1/Sv 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 Is a function of the liquid phase composition Measures the elevation in boiling point Measures the depression in freezing point Is not dependent on the temperature Is a function of the liquid phase composition Measures the elevation in boiling point ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Enthalpy change resulting, when unit mass of solid is wetted with sufficient liquid, so that further addition of liquid produces no additional thermal effect, is called the heat of Complete wetting Mixing Adsorption Wetting Complete wetting Mixing Adsorption Wetting ANSWER DOWNLOAD EXAMIANS APP