Equilibrium questions
1777 published questions with worked solutions.
- For PCl_5 PCl_3+Cl_2, initial concentration of each reactant and product is 1 M. If K_ eq =0.41 then [Manipal 2009]
- Two moles of PCl_5 is heated in a closed vessel of 2 L capacity. When the equilibrium is attained 40% of it has been found to be...
- 5 moles of SO_2 and 5 moles of O_2 are allowed to react. At equilibrium, it was found that 60% of SO_2 is used up. If the partial...
- Ammonium carbamate decomposes as NH_2COONH_4(s) 2NH_3(g)+CO_2(g). For this reaction, K_p=2.9 10^ -5 atm ^3. If we start with 1...
- Four moles of PCl_5 are heated in a closed 4 dm^3 container to reach equilibrium at 400 K. At equilibrium 50% of PCl_5 is...
- The equilibrium constant K_p for the reaction, H_2(g)+I_2(g) 2HI(g) is [BCECE 2006]
- The equilibrium constant (K_p) for the decomposition of gaseous SO_3, SO_3(g) SO_2(g)+ 1 2 O_2(g), is related to degree of...
- Three moles of PCl_5, three moles of PCl_3, and two moles of Cl_2 are taken in a closed vessel. If at equilibrium the vessel has...
- A+B C+D. Initially moles of A and B are equal. At equilibrium, moles of C are three times that of A. The equilibrium constant of...
- Partial pressure of O_2 in the reaction 2Ag_2O(s) 4Ag(s)+O_2(g)
- Which reaction is not affected by change in pressure? [UP SEE 2003]
- In chemical equilibrium, the value of n (number of molecules of products - number of molecules of reactants), is negative, then...
- A monoprotic weak acid (HA) is ionised 5% in 0.1 M aqueous solution. What is the equilibrium constant for its ionisation? [Guj...
- The chemical equilibrium of a reversible reaction is not influenced by [AMU 2006]
- 56 g of nitrogen and 8 g of hydrogen gas are heated in a closed vessel. At equilibrium 34 g of ammonia are present. The...
- For the equilibrium, temperature remaining constant [Manipal 2003], K_c
- The change in pressure will not affect the equilibrium constant for [BITSAT 2005]
- What is the effect of doubling the volume on the equilibrium H_2(g)+I_2(g) 2HI(g) at 500°C? [UP SEE 2004]
- A vessel at 1000 K contains CO_2 with a pressure of 0.5 atm. Some of the CO_2 is converted into CO on the addition of graphite....
- For the reaction, H_2(g)+I_2(g) 2HI(g), the equilibrium constant K_p changes with [VITEEE 2007]
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