Equilibrium questions
1777 published questions with worked solutions.
- Ice and water are in equilibrium at 273 K, which of the following statements is correct?
- The vapour density of PCl_5 is 104.16, but when heated at 230°C its vapour density is reduced to 62. The percentage of...
- For the reaction, CO(g)+H_2O(g) CO_2(g)+H_2(g), at a given temperature, the equilibrium amount of CO_2(g) can be increased by
- For the reaction, PCl_3(g)+Cl_2(g) PCl_5(g), the position of equilibrium can be shifted to the right by
- Le-Chatelier principle is applicable only to a
- Which reaction is not affected by change in pressure?
- A_2(g)+B_2(g) 2AB(g), H=-ve. The reaction
- The effect of increasing the pressure on the equilibrium 2A+3B 3A+2B is
- In which of the following reactions, increase in the volume at constant temperature does not affect the number of moles at...
- In what manner will increase of pressure affect the following equation? C(s)+H_2O(g) CO(g)+H_2(g)
- Consider the reaction equilibrium, 2SO_2(g)+O_2(g) 2SO_3(g), H^ =-198 kJ. On the basis of Le-Chatelier's principle, the condition...
- What is the effect of having the pressure by doubling the volume on the following system at 500°C? H_2(g)+I_2(g) 2HI(g)
- The formation of SO_3 takes place according to the following reaction, 2SO_2+O_2 2SO_3, H=-45.2 kcal. The formation of SO_3 is...
- Which of the following factors will favour the reverse reaction in a chemical equilibrium?
- The equilibrium constant, K for the reaction 2HI(g) H_2(g)+I_2(g) at room temperature is 2.85 and that at 698 K, it is 1.4 10^ -2...
- Of the following which change will shift the reaction I_2(g) 2I(g), H^ _r(298 K )=+150 kJ towards the product?
- The yield of product in the reaction, A_2(g)+2B(g) C(g)+Q kJ would be high at
- In the following reversible reaction, 2SO_2+O_2 2SO_3+Q cal. The most suitable condition for the higher production of SO_3 is
- What is the effect of increasing pressure on the dissociation of PCl_5 according to the equation, PCl_5(g) PCl_3(g)+Cl_2(g)-x cal?
- In the reaction, A_2(g)+4B_2(g) 2AB_4(g), H<0, the formation of AB_4 will be favoured at
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