A gas mixture of three components is brought in contact with a dispersion of an organic phase in water. The degree of freedom of the system is______________?

Related Mcqs:

1. Number of components (C), phase (P) and degrees of freedom (F) are related by Gibbs phase rule as________________?

   A. P + F – C = 2
   B. C = P – F + 2
   C. F = C – P – 2
   D. P = F – C – 2

2. A gas mixture contains 6 moles of H2 and 2 moles of N2. If the total pressure of the gaseous mixture is 4 kgf/cm2; then the partial pressure of N2 in the mixture will be _____________ kgf/cm2 ?

   A. 1
   B. 2
   C. 4
   D. 8

3. The number of degree of freedom for an Azeotropic mixture of ethanol and water in vapourliquid equilibrium, is__________________?

   A. 3
   B. 1
   C. 2
   D. 0

4. A solid metallic block weighing 5 kg has an initial temperature of 500°C. 40 kg of water initially at 25°C is contained in a perfectly insulated tank. The metallic block is brought into contact with water. Both of them come to equilibrium. Specific heat of block material is 0.4 kJ.kg-1. K-1. Ignoring the effect of expansion and contraction and also the heat capacity to tank, the total entropy change in kJ.kg-1, K-1 is_________________?

   A. -1.87
   B. 0
   C. 1.26
   D. 3.91

5. Saturated solution of benzene in water is in equilibrium with a mixture of air and vapours of benzene and water at room temperature and pressure. Mole fraction of benzene in liquid is xB and the vapour pressures of benzene and water at these conditions are pv B and pv w respectively. The partial pressure of benzene in air-vapour mixture is_________________?

   A. PvB
   B. xB.PvB
   C. (Patm – Pvw)xB
   D. xB.Patm

6. Number of degrees of freedom for a three phase system in equilibrium comprising of three non-reacting chemical species is__________________?

   A. 2
   B. 0
   C. 1
   D. 3

7. For water at 300°C, it has a vapour pressure 8592.7 kPa and fugacity 6738.9 kPa Under these conditions, one mole of water in liquid phase has a volume of 25.28 cm3 and that in vapour phase in 391.1 cm3.Fugacity of water (in kPa) at 9000 kPa will be__________________?

   A. 6738.9
   B. 6753.5
   C. 7058.3
   D. 9000

8. Degree of freedom of a system consisting of a gaseous mixture of H2 and NH3 will be_________________?

   A. 0
   B. 1
   C. 2
   D. 3

9. While dissolving a gas into a liquid at a constant temperature, the ratio of the concentration of the gas in the solution phase and in the gaseous phase is _______________?

   A. Infinity
   B. Unity
   C. Constant
   D. Negative

10. What is the number of degrees of freedom for liquid water in equilibrium with a mixture of nitrogen and water vapor ?

    A. 2
    B. 0
    C. 3
    D. 1