In the decomposition of PCl5 represented by, PCl5 ⇌ PCl3 + Cl2, decrease in the pressure of the system will _____________ the degree of dissociation of PCl5?

Related Mcqs:

1. Pick out the wrong statement pertaining to the decomposition of PCl5 represented by, PCl5 ⇌ PCl3 + Cl2.Degree of dissociation of PCl5 will_________________?

   A. Decrease on addition of Cl2 B. Increase on addition of an inert gas at constant pressure C. Decrease on increasing the pressure of the system D. None of these...

2. Heat requirement for decomposition of a compound into its elements is _____________ that is evolved during the formation of that compound from its elements?

   A. The same B. Less than C. Greater than D. Different than...

3. 500 c.c. each of hydrogen at 700 mm Hg pressure and oxygen at 600 mm Hg pressure are put together in a vessel of 1 litre capacity. The final pressure of the gas mixture will be _____________ mm Hg?

   A. 650 B. 700 C. 600 D. 375...

4. In case of the decomposition of hydroiodic acid (2HI ⇌ H2 + I2), addition of H2 (at equilibrium condition) will__________________?

   A. Increase the partial pressure of I2 B. Decrease the partial pressure of HI C. Diminish the degree of dissociation of HI D. None of these...

5. High pressure steam is expanded adiabatically and reversibly through a well insulated turbine, which produces some shaft work. If the enthalpy change and entropy change across the turbine are represented by ΔH and ΔS respectively for this process ?

   A. Δ H = 0 and ΔS = 0 B. Δ H ≠ 0 and ΔS = 0 C. Δ H ≠ 0 and ΔS ≠ 0 D. Δ H = 0 and ΔS ≠ 0...

6. Pick out the wrong statement. A. The conversion for a gas phase reaction increases with decrease in pressure, if there is an increase in volume accompanying the reaction________________?

   B. With increase in temperature, the equilibrium constant increases for an exothermic reaction C. The equilibrium constant of a reaction depends upon temperature only D. The conversion for a gas phase reaction increases with increase in pressure, if there is a decrease in volume accompanying the reaction...

7. Consider the equilibrium A(g) + B(g) = AB(g). When the partial pressure of A is 10-2 atm, the partial pressure of B is 10-3 atm and the partial pressure of AB is 1 atm, the equilibrium constant ‘K’ is____________________?

   A. 10 atm-1 B. 105 atm-1 C. 10 (dimensionless) D. 105 (dimensionless)...

8. The vapour pressure of water is given by, in Psat = A – (5000/T), where A is a constant, Psat is the vapour pressure in atm. and T is the temperature in K. The vapor pressure of water in atm. at 50°C is approximately__________________?

   A. 0.07 B. 0.09 C. 0.11 D. 0.13...

9. The biological decomposition of organic substances in wastes controlled conditions is called_________________?

   A. Incineration B. Biological oxidation C. Composting D. None of these...

10. For the gaseous phase reaction, N2 + O2 ⇌ 2NO, ΔH = + 80 kJ/kg. mole; the decomposition of NO is favoured by____________________?

    A. Increasing the concentration of N2 B. Decrease in temperature C. Increase in pressure D. Decrease in pressure...