Which of the following is not an equation of state ?

Related Mcqs:

1. The equation relating E, P, V and T which is true for all substances under all conditions is given by (∂E/∂V)T = T(∂P/∂T)H – P. This equation is called the ___________________?

   A. Maxwell’s equation
   B. Thermodynamic equation of state
   C. Equation of state
   D. Redlich-Kwong equation of state

2. The equation, (d loge PA/d loge xA) = (d loge PA/d loge xB) applicable to a binary solution of components. A and B in equilibrium with their vapors at constant temperature and pressure is called the _____________ equation?

   A. Van Laar
   B. Margules
   C. Gibbs-Duhem
   D. Gibbs-Duhem-Margules

3. To obtain integrated form of Clausius-Clapeyron equation, ln (P2/P1) = (ΔHV/R) (1/T1 – 1/T2) from the exact Clapeyron equation, it is assumed that the____________________?

   A. Volume of the liquid phase is negligible compared to that of vapour phase
   B. Vapour phase behaves as an ideal gas
   C. Heat of vaporisation is independent of temperature
   D. All A , B. & C.

4. Which of the following is Virial equation of state ?

   A. (p + a/V2)(V – b) = nRT
   B. PV = nRT
   C. PV = A + B/V + C/V2 + D/V3 + …
   D. None of these

5. Which of the following is true for Virial equation of state ?

   A. Virial co-efficients are universal constants
   B. Virial co-efficients ‘B’ represents three body interactions
   C. Virial co-efficients are function of temperature only
   D. For some gases, Virial equations and ideal gas equations are the same

6. Which of the following represents the Virial equation of state ?

   A. T = [RT/(V- b)] – [a/√T. V(V + b)]
   B. PV/RT = 1 + (B/V) + (C/V2) + ……
   C. n1u2 + μ2μ1 = 0
   D. None of these

7. Which of the following terms of Vander Walls equation of state for a non-ideal gas accounts for intermolecular forces ?

   A. RT
   B. P + (a/V2)
   C. (V – b)
   D. 1/RT

8. Which of the following is Clausius-Clapeyron Equation for vaporisation of an ideal gas under the condition that the molar volume of liquid is negligible compared to that of the vapor ?

   A. d ln p/dt = Hvap/RT2
   B. d ln p/dt = RT2/Hvap
   C. dp/dt = RT2/Hvap
   D. dp/dt = Hvap/RT2

9. Pick out the Clausius-Clapeyron equation from the following?

   A. dP/dT = ΔH/TΔV
   B. ln P = – (ΔH/RT) + constant
   C. ΔF = ΔH + T [∂(ΔF)/∂T]P
   D. None of these

10. Gibbs free energy (G) is represented by, G = H – TS, whereas Helmholtz free energy, A. is given by, A = E – TS. Which of the following is the Gibbs-Helmholtz equation ?

    A. [∂(G/T)/∂T] = – (H/T2)
    B. [∂(A/T)/∂T]V = – E/T2
    C. Both A. and B.
    D. Neither A. nor B.