Q. The value of (Cᵨ - Cᵥ)for a real gas obeying Vander Wall's equation is

View solution

Q. A fluid gas produced on burning furnace oil contains 0.15 gm mole of CO₂, 0.05 gm mole of oxygen and 0.80 gm mole of N₂. What is its molecular weight ?

View solution

Q. A gaseous mixture contains 14 kg of N₂, 16 kg of O₂ and 17 kg of NH₃. The mole fraction of oxygen is

View solution

Q. Sodium __________ has inverted solubility curve i.e. its solubility increases with the lowering of temperature.

View solution

Q. Which of the following has the least (almost negligible) effect on the solubility of a solute in a solvent ?

View solution

Q. If the partial pressure of the solvent in the vapor phase is equal to the vapor pressure of the solvent at that temperature, then the system is said to be at its

View solution

Q. At higher temperatures, molal heat capacities for most of the gases (at constant pressure) __________ with increase in temperature.

View solution

Q. Pick out the wrong unit conversion.

View solution

Q. Pick out the wrong unit conversion.

View solution

Q. The accumulation in a steady state combustion process, burning 1 kg mole of carbon with 1 kg mole of oxygen thereby producing 1 kg mole of carbon dioxide, is __________ kg mole.

View solution

Q. Addition of a non-volatile solute to a pure solvent

View solution

Q. The depression in freezing point of a solution is

View solution

Q. For the gaseous phase reaction,

N₂ + O₂ ↔ 2NO, ΔH = + 80 kJ/kg. mole;

the decomposition of NO is favoured by

View solution

Q. Pick out the correct statement.

View solution

Q. 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

View solution

Q. Pure oxygen is mixed with air to produce an enriched air containing 50 volume % of oxygen. The ratio of moles of air to oxygen used is

View solution

Q. Pick out the correct statement.

View solution

Q. Normality of a solution does not change with the increase in the

View solution

Q. For an endothermic reaction, the minimum value of energy of activation will be (where, ΔH = enthalpy of the reaction)

View solution

Q. Isotopes are atoms having the same

View solution