In the reaction, represented by, 2SO2 + O2 ⇌ 2SO3; ΔH = – 42 kcal; the forward reaction will be favoured by____________________?

Related Mcqs:

1. 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

2. In the ammonia synthesis reaction, N2 + 3H2 ⇌ 2NH3 + 22.4 kcal, the formation of NH3 will be favoured by___________________?

   A. High temperature
   B. Low pressure
   C. Low temperature only
   D. Both low temperature and high pressure

3. 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

4. If heat contents of CH4, C2H4 and C3H8 are -17.9, 12.5 and -24.8 kcal/mole respectively, than ΔH for the reaction CH4(g) + C2H4(g) ⇌ C3H8(g) will be _____________ Kcal?

   A. -19.4
   B. -30.2
   C. 55.2
   D. -55.2

5. The ammonia synthesis reaction represented by N2 + 3H2 ⇌ 2NH3; ΔH = – 22.4 kcal, is__________________?

   A. Endothermic
   B. Exothermic
   C. Isothermal
   D. Adiabatic

6. 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

7. In the reaction, C + O2 → CO2; ΔH = – 94 kcal. What is the heat content (enthalpy) of O2 ?

   A. -94 kcal
   B. > -94 kcal
   C. < – 94 kcal
   D. Zero

8. Solubility of a substance which dissolves with an increase in volume and liberation of heat will be favoured by the_______________?

   A. Low pressure and high temperature
   B. Low pressure and low temperature
   C. High pressure and low temperature
   D. High pressure and high temperature

9. Trouton’s ratio is given by (where λb, = molal heat of vaporisation of a substance at its normal boiling point, kcal/kmol Tb = normal boiling point, °K) ___________________?

   A. λb/Tb
   B. Tb/λb
   C. √(λb/Tb)
   D. √(Tb/λb)

10. Internal energy of an element at 1 atm and 25° C is ____________ kcal/kg.mole?

    A. 0
    B. 273
    C. 25
    D. None of these