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

Related Mcqs:

1. 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...

2. 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...

3. Pick out the wrong statement ?

   A. At constant pressure, solubility of a gas in a liquid diminishes with rise in temperature B. Normally, the gases which are easily liquefied are more soluble in common solvents C. The gases which are capable of forming ions in aqueous solution are much more soluble in water than in other solvents D. At constant...

4. Pick out the wrong statement ?

   A. Minimum number of degree of freedom of a system is zero B. Degree of freedom of a system containing a gaseous mixture of helium, carbon dioxide and hydrogen is 4 C. For a two phase system in equilibrium made up of four non-reacting chemical species, the number of degrees of freedom is 4 D....

5. “The equilibrium value of the mole fraction of the gas dissolved in a liquid is directly proportional to the partial pressure of that gas above the liquid surface”. This statement pertaining to the solubility of gases in liquid is the ______________ law?

   A. Raoult’s B. Henry’s C. Amagat’s D. None of these...

6. Pick out the wrong statement ?

   A. Cold cracking of a weld is due to the presence of hydrogen gas in the weld B. True stress is given by, ζ = ζE (1 + εE), where ζE and εE are engineering stress and engineering strain respectively C. Phosphorous can be easily recovered in the iron blast furnace D. High residual stress...

7. Pick out the wrong statement ?

   A. For a pressure vessel to be classified as ‘thin vessel’, the ratio of wall thickness to mean radius is less than 0.1 B. For calculating forces and efficiency of riveted joint, either rivet diameter or rivet hole diameter is used in case of pressure vessel and in structural work C. Longitudinal joint is normally...

8. Pick out the wrong statement ?

   A. A soft magnetic material should have high permeability and small area of hysteresis loop B. Poisson’s ratio of high melting point metals is more than unity C. Solders generally melt at less than 185°C D. Steel produced by B.O.F process is ideally suited for manufacturing flat product...

9. Pick out the wrong statement ?

   A. Weldability of high carbon steel is poorer compared to low carbon steel B. Invar is a magnetic alloy C. Magnetic permeability of the diamagnetic material is less than one D. Martenistic transformation never goes to completion (i.e., 100%) at room temperature...

10. Tea kept in a thermos flask is vigorously shaken. If the tea is considered as a system, then its temperature will_________________?

    A. Increase B. Decrease C. Remain unchanged D. First fall and then rise...