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At a certain temp. 2HI H2 + I2 Only 50% HI is dissociated at equilibrium. The equilibrium constant is
One mole of N2O4(g) at 100 K is kept in a closed container at 1.0 atm pressure. It is heated to 400 K, where 30% by mass of N2O4(g) decomposes of NO2(g). The resultant pressure will be
15 moles of H2 and 5.2 moles of I2 are mixed and allowed to attain equilibrium at 500ºC. At equilibrium, the HI is found to be 10 moles. The equilibrium constant for the formation of HI is.
XY2 dissociates as : XY (g) XY(g) Y(g) Initial pressure of XY2 is 600 mm Hg. The total pressure at equilibrium is 800 mm Hg. Assuming volume of system to remain constant, the value of Kp is
5 moles of SO2 and 5 moles of O2 are allowed to react to form SO3 in a closed vessel. At the equilibrium stage 60% of SO2 is used up. The total number of moles of SO2, O2 and SO3 in the vessel now is
0.6 mole of NH3 in a reaction vessel of 2dm3 capacity was brought to equilibrium. The vessel was then found to contain 0.15 mole of H2 formed by the reaction 2NH3(g) N2(g) + 3H2(g) Which of the following statements i…
A mixture of 0.3 mole of H2 and 0.3 mole of I2 is allowed to react in a 10 litre evacuated flask at 500ºC. The reaction is H I 2HI , the K is found to be 64. The amount of unreacted 2I at equilibrium is
2 mol of N2 is mixed with 6 mol of H2 in a closed vessel of one litre capacity. If 50% of N2 is converted into NH3 at equilibrium, the value of Kc for the reaction N2(g) + 3H2(g) 2NH3(g) is
In the reaction, H2 + I2 2HI. In a 2 litre flask 0.4 moles of each H2 and I2 are taken. At equilibrium 0.5 moles of HI are formed. What will be the value of equilibrium constant, Kc
4.5 moles each of hydrogen and iodine heated in a sealed ten litre vessel. At equilibrium, 3 moles of HI were found. The equilibrium constant for H2(g) + I2(g) 2 HI(g) is
In a 500 ml capacity vessel CO and Cl2 are mixed to form COCl2. At equilibrium, it contains 0.2 moles of COCl2 and 0.1 mole of each of CO and Cl2. The equilibrium constant Kc for the reaction CO + Cl2 COCl2 is
The equilibrium concentration of X, Y and YX2 are 4, 2 and 2 moles respectively for the equilibrium 2X + Y YX2. The value of Kc is
For the reaction 2SO2 + O2 2SO3, the units of Kc are
A + B C + D. If finally the concentration of A and B are both equal but at equilibrium concentration of D will be twice of that of A then what will be the equilibrium constant of reaction.
In a reaction A + B C + D, the equilibrium concentrations of A, B, C and D (in moles/litre) are 0.5, 0.8, 0.4 and 1.0 respectively. The equilibrium constant is
For the system A(g) + 2B(g) C(g),the equilibrium
On a given condition, the equilibrium concentration of HI, H2 and I2 are 0.80, 0.10 and 0.10 mole/litre. The equilibrium constant for the reaction H2 + I2 2HI will be
4 moles of A are mixed with 4 moles of B. At equilibrium for the reaction A + B C + D, 2 moles of C and D are formed. The equilibrium constant for the reaction will be
The equilibrium constant for the reaction N2(g) + O2(g) 2NO(g) at temperature T is 4×10–4. The value of Kc for the reaction NO N (g) O (g) at the same temperature is
At a given temperature, the equilibrium constant for reaction PCl5(g) PCl3(g) + Cl2(g) is 2.4 × 10–3. At the same temperature, the equilibrium constant for reaction PCl3(g) + Cl2(g) PCl5(g) is
Two gaseous equilibria SO (g) O (g) SO3(g)and 2SO3(g) 2SO2(g) + O2(g) have equilibrium constants K1 and K2 respectively at 298 K. Which of the following relationships between K1 and K2 is correct
Equilibrium constants k1 and k2 for the following equilibria NO(g) + 1 2 O2 NO2(g) and 2NO2(g) 2NO(g) + O2(g) are related as (a) K K (b) K K (c) K K (d) K K
If K1 and K2 are respective equilibrium constants for the two reactions XeF6(g) + H2O (g) XeOF4(g) + 2HF (g) XeO4(g) + XeF6 (g) XeOF4(g) + XeO3F2(g) the equilibrium constant for the reaction XeO4(g) + 2HF (g) XeO3F2(…
If the equilibrium constant of the reaction 2HI H I is 0.25, then the equilibrium constant for the reaction H I 2HI would be
In the two gaseous reactions (i) and (ii), at 25ºC (i) NO(g) + 1/2O2(g) NO2(g); K1 (ii) 2NO2(g) 2NO(g) + O2 (g), K2 the equilibrium constants K1 and K2 are related as