Equilibrium questions
1777 published questions with worked solutions.
- The equilibrium constants K_ p_1 and K_ p_2 for the reactions X 2Y and Z P+Q, respectively are in the ratio 1:9. If the degree of...
- For the reaction, 2NO_2(g) 2NO(g)+O_2(g) (R=0.00831 kJ/(mol K)). When K_p and K_c are compared at 184°C, it is found that whether...
- A reversible chemical reaction having two reactants is in equilibrium. If the concentration of the reactants are doubled, then...
- Calculate the partial pressure of carbon monoxide from the following data: CaCO_3(s) CaO(s)+CO_2(g), K_p=8 10^ -2 ; CO_2(g)+C(s)...
- 1 mole of H_2 and 2 moles of I_2 are taken initially in a 2 L vessel. The number of moles of H_2 at equilibrium is 0.2. Then, the...
- For the reaction CO(g)+0.5O_2(g) CO_2(g), K_p/K_c is equal to
- For the reversible reaction, N_2(g)+3H_2(g) 2NH_3(g) at 500°C, the value of K_p is 1.44 10^ -5 atm^ -2 . When partial pressure is...
- The equilibrium constant for the reaction SO_3(g) SO_2(g)+ 1 2 O_2(g) is K_c=4.9 10^ -2 . The value of K_c for the reaction...
- Consider the following equilibrium in a closed container: N_2(g)+O_2(g) 2NO(g). The equilibrium constant at temperature T is 4...
- If the value of K_c for an equilibrium reaction is 10^ -4 , then the reaction is in [OJEE 2009]
- At 550 K, the K_c for the reaction X(g)+Y(g) Z(g) is 10^4 M^ -1 . At equilibrium, it was observed that [X]=[Y]=10^ -4 M. What is...
- 2HI(g) H_2(g)+I_2(g). The equilibrium constant of the above reaction is 6.4 at 300 K. If 0.25 mole each of H_2 and I_2 are added...
- For a reaction H_2+I_2 2HI at 721 K, the value of equilibrium constant is 50. If 0.5 moles each of H_2 and I_2 is added to the...
- What is the equilibrium expression for the reaction P_4(s)+5O_2(g) P_4O_ 10 (s)? [UP SEE 2007]
- The equilibrium constant for the reaction, 2NO_2(g) 2NO(g)+O_2(g) is 2 10^ -6 at 185°C. Then the equilibrium constant for the...
- Which of the following is a wrong statement about equilibrium state? [Indraprastha CET 2009, CG PET 2009]
- If for N_2+3H_2 2NH_3, K_ eq =1.6 10^ -5 , then the value of K_ eq for the reaction NH_3 1 2 N_2+ 3 2 H_2 will be
- 4 moles each of SO_2 and O_2 gases are allowed to react to form SO_3 in a closed vessel. At equilibrium 25% of O_2 is used up....
- At a given temperature the equilibrium constant for the reaction of PCl_5 PCl_3+Cl_2 is 2.4 10^ -3 . At the same temperature, the...
- In a gaseous reversible reaction, if pressure is increased then the equilibrium constant would be [Manipal 2006]
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