A. Increase the partial pressure of H2
B. Increase the partial pressure of I2
C. Increase the total pressure and hence shift the equilibrium towards the right
D. Not affect the equilibrium conditions
Related Mcqs:
- 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 - If the molar heat capacities (Cp or Cv) of the reactants and products of a chemical reaction are identical, then, with the increase in temperature, the heat of reaction will___________________?
A. Increase
B. Decrease
C. Remain unaltered
D. Increase or decrease; depends on the particular reaction - The compressibility factor of a gas is given by (where, V1 = actual volume of the gas V2 = gas volume predicted by ideal gas law)____________________?
A. V1/V2
B. V2/V1
C. V1 – V2
D. V1.V2 - The density of a gas ‘X’ is twice that of another gas ‘Y’. If the molecular weight of gas ‘Y’ is ‘M’; then the molecular weight of the gas ‘X’ will be________________?
A. 2M
B. M/2
C. M
D. M/4 - Assuming applicability of ideal gas law, the pure component volume of the vapor in a saturated gas can be calculated from theoretical relationship. The volumetric composition of a vapor saturated gas is independent of the___________________?
A. Nature of the liquid
B. Nature of the gas
C. Temperature of the liquid
D. Total pressure - Forward reaction will be favoured for the exothermic reaction, represented by CO + H2O ⇌ CO2 + H2, by_________________?
A. Low temperature and high pressure
B. Low temperature and low pressure
C. High temperature and high pressure
D. High temperature and low pressure - Consider the reaction, C + O2 ⇌ CO2; ΔH = – 94 kcal. What will be the value of ΔH for the reaction CO2 → C + O2 ?
A. -94 kcal
B. +94 kcal
C. > 94 kcal
D. < -94 kcal - In the reaction, represented by, 2SO2 + O2 ⇌ 2SO3; ΔH = – 42 kcal; the forward reaction will be favoured by____________________?
A. Low temperature
B. High pressure
C. Both A. and B
D. Neither A. nor B - 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 - Entropy change of the reaction, H2O (liquid) → H2O (gas), is termed as the enthalpy of___________________?
A. Solution
B. Vaporisation
C. Formation
D. Sublimation
