A. 3
B. 2
C. 1
D. 0
Related Mcqs:
- 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 - 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 - The number of degrees of freedom for an azeotropic mixture in a two component vapourliquid equilibria is/are__________________?
A. Zero
B. One
C. Two
D. Three - The reaction A (l) → R(g) is allowed to reach equilibrium conditions in an autoclave. At equilibrium, there are two phases, one a pure liquid phase of A and the other a vapor phase of A, R and S. Initially A alone is present. The numbers of degrees of freedom are ?
A. 1
B. 2
C. 3
D. 0 - The number of degrees of freedom at the triple point of water is__________________?
A. 0
B. 1
C. 2
D. 3 - 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 - Degrees of freedom at triple point will be______________?
A. 0
B. 1
C. 2
D. 3 - For any system, what is the minimum number of degrees of freedom ?
A. 0
B. 1
C. 2
D. 3 - 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 - 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
