A. Shifting the equilibrium towards right
B. Shifting the equilibrium towards left
C. No change in equilibrium condition
D. None of these
Related Mcqs:
- 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 - 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 - 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 - The equation DU = Tds – PdV is applicable to infinitesimal changes occuring in_________________?
A. An open system of constant composition
B. A closed system of constant composition
C. An open system with changes in composition
D. A closed system with changes in composition - 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 - A chemical reaction will occur spontaneously at constant pressure and temperature, if the free energy is________________?
A. Zero
B. Positive
C. Negative
D. None of these - The variation of heat of reaction with temperature at constant pressure is given by the ____________ law?
A. Kelvin’s
B. Antoine’s
C. Kirchoff’s
D. None of these - For the reversible exothermic reaction, N2 + 3H2 ⇌ 2NH3, increase of pressure would________________?
A. Shift the equilibrium towards right
B. Give higher yield of NH3
C. Both B. and C
D. Neither A. nor B - In reactions involving solids and liquids (where change in volume is negligible), the heat of reaction at constant pressure as compared to that at constant volume is_______________?
A. More
B. Less
C. Same
D. Unpredictable; depends on the particular reaction
