Clausius Clapeyron equation applies to the _____________ process?

Related Mcqs:

1. 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.

2. Clausius-Clapeyron equation is applicable to _____________ equilibrium processes?

   A. Solid-vapor
   B. Solid-liquid
   C. Liquid-vapor
   D. All A, B. and C

3. Applicability of Clausius-Clapeyron Equation is subject to the condition that the __________________?

   A. Vapor follows ideal gas law
   B. Volume in the liquid state is negligible
   C. Both A. & B.
   D. Neither A. nor B.

4. Which of the following is the Clausius-Clapeyron Equation ?

   A. PV = RT + B/V + y/V2 + ….
   B. (P + a/V2)(V-b) = RT
   C. loge (p/p0) = (λ/R) (1/T0 – 1/T)
   D. p = [RT/(V – b)] – (a/TV2)

5. Variation of vapor pressure with temperature can be calculated using Clausius-Clapeyron equation, which assumes that the________________?

   A. Vapor follows the ideal gas law
   B. Molal latent heat of vaporisation is constant within the limited temperature range
   C. Volume in the liquid state is negligible compared with that in the vapor state
   D. All A., B. & C.

6. 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

7. 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

8. Clausius-Clapeyron Equation gives accurate result, when the __________________?

   A. Vapour pressure is relatively low and the temperature does not vary over wide limits
   B. Vapour obeys the ideal gas law and the latent heat of vaporisation is constant
   C. Volume in the liquid state is negligible compared with that in the vapour state
   D. All A, B. and C

9. Clapeyron Equation deals with the____________________?

   A. Rate of change of vapour pressure with temperature
   B. Effect of an inert gas on vapour pressure
   C. Calculation of ΔF for spontaneous phase change
   D. Temperature dependence of heat of phase transition

10. The equation Tds = dE – PdV applies to___________________?

    A. Single phase fluid of varying composition
    B. Single phase fluid of constant composition
    C. Open as well as closed systems
    D. Both B. and C