Chapter 5 – Chemical Equilibrium (Level 1 and Level 2)
Sahay Sir > Question Answers > N Awasthi Physical Chemistry > Chapter 5 - Chemical Equilibrium (Level 1 and Level 2)
At 87^∘C, the following equilibrium is established H2 (g) + S(s) ⇌ H2S(g), Kp = 7 × 10^−2. If 0.50 mole of hydrogen and 1.0 mole of sulfur are heated to 87^∘C in 1.0 L vessel, what will be the partial pressure of H2S at equilibrium?
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Nov
At 87^∘C, the following equilibrium is established H2 (g) + S(s) ⇌ H2S(g), Kp = 7 × 10^−2. If 0.50 mole of hydrogen and 1.0 mole of sulfur are heated to 87^∘C in 1.0 L vessel, what will be the partial pressure of H2S at equilibrium? At 87^∘C Kp = 7 × 10^−2. If 0.50 [...]
Determine the value of equilibrium constant (KC) for the reaction A2(g)+B2(g)⇔2AB(g) if 10 moles of A2 ,15 moles of B2 and 5 moles of AB are placed in a 2 litre vessel and allowed to come to equilibrium . The final concentration of AB is 7.5 M:
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Nov
Determine the value of equilibrium constant (KC) for the reaction A2(g)+B2(g)⇔2AB(g) if 10 moles of A2 ,15 moles of B2 and 5 moles of AB are placed in a 2 litre vessel and allowed to come to equilibrium . The final concentration of AB is 7.5 M: 15 moles of B2 and 5 moles of [...]
COCl2 gas dissociates according to the equation, COCI2 (g) = CO(g) + C12(g). When heated to 700 K the density of the gas mixture at 1.16 atm and at equilibrium is 1.16 g/litre. The degree of dissociation of COCl2, at 700 K is :
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Nov
COCl2 gas dissociates according to the equation, COCI2 (g) = CO(g) + C12(g). When heated to 700 K the density of the gas mixture at 1.16 atm and at equilibrium is 1.16 g/litre. The degree of dissociation of COCl2, at 700 K is : at 700 K is : COCI2 (g) = CO(g) + C12(g). [...]
At 27^∘C and 1 atm pressure , N2O4 is 20% dissociation into NO2. What is the density of equilibrium mixture of N2O4 and NO2 at 27^∘C and 1 atm ?
11
Nov
At 27^∘C and 1 atm pressure , N2O4 is 20% dissociation into NO2. What is the density of equilibrium mixture of N2O4 and NO2 at 27^∘C and 1 atm ? At 27^∘C and 1 atm pressure N2O4 is 20% dissociation into NO2. What is the density of equilibrium mixture of N2O4 and NO2 at 27^∘C [...]
For the dissociation of PCl5 into PCl3 and Cl2 in gaseous phase reaction , if d is the observed vapour density and D the theoretical vapour density with ‘α’ as degree of dissociation ,variation of D/d with ‘α’ is given by ?
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Nov
For the dissociation of PCl5 into PCl3 and Cl2 in gaseous phase reaction , if d is the observed vapour density and D the theoretical vapour density with ‘α’ as degree of dissociation ,variation of D/d with ‘α’ is given by ? For the dissociation of PCl5 into PCl3 and Cl2 in gaseous phase reaction [...]
For the reaction, H2(g) + CO2(g) ⇌ CO(g) + H2 O(g) If the initial concentration of [H2 ] = [CO2] and x mol/L of hydrogen is consumed at equilibrium the correct expression of Kp is:
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Nov
For the reaction, H2(g) + CO2(g) ⇌ CO(g) + H2 O(g) If the initial concentration of [H2 ] = [CO2] and x mol/L of hydrogen is consumed at equilibrium the correct expression of Kp is: For the reaction H2(g) + CO2(g) ⇌ CO(g) + H2 O(g) If the initial concentration of [H2 ] [...]
At certain temperature compound AB2(g) dissociates according to the reaction: 2AB2(g) ⇌ 2AB(g) + B2(g) With the degree of dissociation α, which is small compared with unity. The expression of Kp, in terms of α and initial pressure P is:
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Nov
At certain temperature compound AB2(g) dissociates according to the reaction: 2AB2(g) ⇌ 2AB(g) + B2(g) With the degree of dissociation α, which is small compared with unity. The expression of Kp, in terms of α and initial pressure P is: At certain temperature compound AB2(g) dissociates according to the reaction: 2AB2(g) ⇌ 2AB(g) + B2(g) [...]
2.0 mole of PCl5 were introduced in a vessel of 5.0 L capacity of a particular temperature. At equilibrium, PCl5 was found to be 35% dissociated into PCl3 and Cl2 . The value of Kc for the reaction:- PCl3 (g) + Cl2 (g) ⇌ PCl5(g)
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Nov
2.0 mole of PCl5 were introduced in a vessel of 5.0 L capacity of a particular temperature. At equilibrium, PCl5 was found to be 35% dissociated into PCl3 and Cl2 . The value of Kc for the reaction:- PCl3 (g) + Cl2 (g) ⇌ PCl5(g) 2.0 mole of PCl5 were introduced in a vessel of [...]
N2(g) + 3H2(g) ⇌ 2NH3(g) For the reaction initially the mole ratio was 1:3 of N2 : H2. At equilibrium 50% of each has reacted. If the equilibrium pressure is p, the partial pressure of NH3 at equilibrium is
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Nov
N2(g) + 3H2(g) ⇌ 2NH3(g) For the reaction initially the mole ratio was 1:3 of N2 : H2. At equilibrium 50% of each has reacted. If the equilibrium pressure is p, the partial pressure of NH3 at equilibrium is N2(g) + 3H2(g) ⇌ 2NH3(g) For the reaction initially the mole ratio was 1:3 of N2 [...]
5 moles of SO2 and 5 moles of O2 are allowed to react. At equilibrium, it was found that 60% of SO2 is used up. If the pressure of the equilibrium mixture is one atmosphere, the partial pressure of O2 is:
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Nov
5 moles of SO2 and 5 moles of O2 are allowed to react. At equilibrium, it was found that 60% of SO2 is used up. If the pressure of the equilibrium mixture is one atmosphere, the partial pressure of O2 is: 5 moles of SO2 and 5 moles of O2 are allowed to react. At [...]