In the decomposition of PCl5 represented by, PCl5 PCl3 + Cl2, decrease in the pressure of the system will __________ the degree of dissociation of PCl5.

A. Increase

B. Decrease

C. Not alter

D. None of these

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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  1. The total change in the enthalpy of a system is independent of the
  2. The relation connecting the fugacities of various components in a solution with one another and to composition…
  3. Pick out the wrong statement.
  4. In a P-V diagram (for an ideal gas), an isothermal curve will coincide within adiabatic curve (through…
  5. Lowering of condenser temperature (keeping the evaporator temperature constant) in case of vapour compression…
  6. The necessary condition for phase equilibrium in a multiphase system of N components is that the
  7. An isolated system can exchange __________ with its surroundings.
  8. The work done in an adiabatic change in a particular gas depends upon changes in the __________ only.
  9. The expression for entropy change given by, ΔS = nR ln (V2/V1) + nCv ln (T2/T1) is valid for
  10. The activity of an ideal gas is numerically __________ its pressure.
  11. __________ law of thermodynamics ascertains the direction of a particular spontaneous process.
  12. A gas mixture of three components is brought in contact with a dispersion of an organic phase in water.…
  13. Solid and liquid phases of a substance are in equilibrium at the
  14. A large iceberg melts at the base, but not at the top, because of the reason that
  15. Chemical potential (an intensive property) of a substance is a force that drives the chemical system…
  16. Internal energy of an ideal gas
  17. The expression for entropy change, ΔS = n Cp . ln (T2/T1), is valid for the __________ of a substance.
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  22. To obtain integrated form of Clausius-Clapeyron equation, ln (P2/P1) = (ΔHV/R) (1/T1 - 1/T2) from…
  23. What is the ratio of adiabatic compressibility to isothermal compressibility?
  24. If an ideal solution is formed by mixing two pure liquids in any proportion, then the __________ of…
  25. Refrigeration cycle
  26. Joule-Thomson co-efficient is defined as
  27. Throttling process is a/an __________ process.
  28. Co-efficient of performance for a reversed Carnot cycle working between temperatures T1 and T2 (T1 >…
  29. The expression for entropy change given by, ΔS = - nR ln (P2/P1), holds good for
  30. Which of the following is an extensive property of a system?