Equilibrium questions
1777 published questions with worked solutions.
- For which one of the following reactions K_p=K_c? [JCECE 2010]
- For a reaction equilibrium, N_2O_4(g) 2NO_2(g), the concentrations of N_2O_4 and NO_2 at equilibrium are 4.8 10^ -2 and 1.2 10^...
- For the reaction, 2HI(g) H_2(g)+I_2(g)-Q kJ, the equilibrium constant depends upon [K CET 2008]
- For a reaction if K_p>K_c the forward reaction is favoured by [RPET 2005]
- If in the reaction N_2O_4 2NO_2, x is that part of N_2O_4 which dissociates, then the number of molecules at equilibrium will be
- Consider the following gaseous equilibria with equilibrium constants K_1 and K_2 respectively: SO_2(g)+ 1 2 O_2(g) SO_3(g) and...
- Formaldehyde polymerizes to form glucose according to the reaction 6HCHO C_6H_ 12 O_6. The theoretically computed equilibrium...
- For the reaction, H_2(g)+CO_2(g) CO(g)+H_2O(g), if the initial concentration of [H_2]=[CO_2]=1 mol/L and x mol/L of hydrogen is...
- N_2 and H_2 in 1:3 molar ratio are heated in a closed container having a catalyst. When the following equilibrium N_2(g)+3H_2(g)...
- The compounds A and B are mixed in equimolar proportion to form the products, A+B C+D. At equilibrium, one third of A and B are...
- By applying law of mass action, the equilibrium constant, K for the reaction HA+H_2O H_3O^++A^-, is given as [J & K CET 2007]
- At 600°C, K_p for the following reaction is 1 atm: X(g) Y(g)+Z(g). At equilibrium, 50% of X(g) is dissociated. The total pressure...
- Consider the following reaction equilibrium N_2(g)+3H_2(g) 2NH_3(g). Initially, 1 mole of N_2 and 3 moles of H_2 are taken in a 2...
- Which of the following is not a characteristic property of chemical equilibrium? [EAMCET 2006]
- NH_4HS(s) NH_3(g)+H_2S(g). In the above reaction, if the pressure at equilibrium and at 300 K is 100 atm then what will be the...
- For the following three reactions I, II and III, equilibrium constants are given: I. CO(g)+H_2O(g) CO_2(g)+H_2(g); K_1. II....
- 9.2 g N_2O_4 is heated in a 1 L vessel till equilibrium state is established. N_2O_4(g) 2NO_2(g). In equilibrium state 50% N_2O_4...
- 1.6 moles of PCl_5(g) is placed in a 4 dm^3 closed vessel. When the temperature is raised to 500 K, it decomposes and at...
- In a reversible reaction two substances are in equilibrium. If the concentration each one is doubled, the equilibrium constant...
- An amount of solid NH_4HS is placed in a flask already containing ammonia gas at a certain temperature and 0.50 atm pressure....
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