NCERT Exemplar Class 11
The value of Kc for the reaction 3O2 (g)⟶2O3 (g) at 25 degree C.If equilibrium concentration of O2 in air at 25 degree C is 1.6×10^−2 , what is the concentration of O3 ?
22
Nov
The value of Kc for the reaction 3O2 (g)⟶2O3 (g) at 25 degree C.If equilibrium concentration of O2 in air at 25 degree C is 1.6×10^−2 , what is the concentration of O3 ? The value of Kc for the reaction 3O2 (g)⟶2O3 (g) at 25 degree C.If equilibrium concentration of O2 in [...]
The value of Kc for the reaction 3O2 (g)⟶2O3 (g) at 25 degree C.If equilibrium concentration of O2 in air at 25 degree C is 1.6×10^−2 , what is the concentration of O3 ?
22
Nov
The value of Kc for the reaction 3O2 (g)⟶2O3 (g) at 25 degree C.If equilibrium concentration of O2 in air at 25 degree C is 1.6×10^−2 , what is the concentration of O3 ? The value of Kc for the reaction 3O2 (g)⟶2O3 (g) at 25 degree C.If equilibrium concentration of O2 in [...]
Predict which of the following reaction will have appreciable concentration of reactants and products:
22
Nov
Predict which of the following reaction will have appreciable concentration of reactants and products: Predict which of the following reaction will have appreciable concentration of reactants and products: November 22, 2020 Category: Chapter 7 - Equilibrium , Chemistry , NCERT Exemplar Class 11 ,
At 473 K, equilibrium constant Kc for decomposition of phosphorus pentachloride, PCl5 is 8.3×10^−3 . If decomposition is depicted as, PCl 5(g)⇌PCl 3(g)+Cl2(g) Δ rH ⊖ = 124.0 kJ mol^−1 (a) Write an expression for Kc for the reaction. (b) What is the value of Kc for the reverse reaction at the same temperature? (c) What would be the effect on Kc if (i) more PCl5 is added (ii) pressure is increased (iii) the temperature is increased ?
22
Nov
At 473 K, equilibrium constant Kc for decomposition of phosphorus pentachloride, PCl5 is 8.3×10^−3 . If decomposition is depicted as, PCl 5(g)⇌PCl 3(g)+Cl2(g) Δ rH ⊖ = 124.0 kJ mol^−1 (a) Write an expression for Kc for the reaction. (b) What is the value of Kc for the reverse reaction at the same temperature? (c) [...]
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2.0 mol litre^−1 H2 ,
and 0.5 mol litre^−1 NH3. Is the reaction at equilibrium? If not ,
At 473 K ,
Equilibrium constant ,
equilibrium constant Kc for decomposition of phosphorus pentachloride ,
in which direction does the reaction tend to proceed to reach equilibrium? ,
Kc for the reaction ,
n2 ,
N2(g)+3H2(g) ⇌ 2NH3(g) ; at 500 K is 0.061 litre 2 mole^−2. At a particular time ,
PCl5 is 8.3×10^−3 . If decomposition is depicted as ,
the analysis shows that composition of the reaction mixture is 3.00 mol litre^−1 ,
Dihydrogen gas is obtained from natural gas by partial oxidation with steam as per following endothermic reaction: CH4 (g)+H2 O(g)⇌CO(g)+3H2 (g) (a) Write as expression for Kp for the above reaction. (b) How will the values of Kp and composition of equilibrium mixture be affected by (i) increasing the pressure, (ii) Increasing the temperature and (iii) Using a catalyst?
22
Nov
Dihydrogen gas is obtained from natural gas by partial oxidation with steam as per following endothermic reaction: CH4 (g)+H2 O(g)⇌CO(g)+3H2 (g) (a) Write as expression for Kp for the above reaction. (b) How will the values of Kp and composition of equilibrium mixture be affected by (i) increasing the pressure, (ii) Increasing the temperature and [...]
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2.0 mol litre^−1 H2 ,
and 0.5 mol litre^−1 NH3. Is the reaction at equilibrium? If not ,
Equilibrium constant ,
in which direction does the reaction tend to proceed to reach equilibrium? ,
Kc for the reaction ,
n2 ,
N2(g)+3H2(g) ⇌ 2NH3(g) ; at 500 K is 0.061 litre 2 mole^−2. At a particular time ,
the analysis shows that composition of the reaction mixture is 3.00 mol litre^−1 ,
Describe the effect of (a) addition of H2 (b) addition of CH3OH (c) removal of CO (d) removal of CH3OH on the equilibrium of the reaction: 2H2(g) + CO (g) ⇌ CH3OH (g)
22
Nov
Describe the effect of (a) addition of H2 (b) addition of CH3OH (c) removal of CO (d) removal of CH3OH on the equilibrium of the reaction: 2H2(g) + CO (g) ⇌ CH3OH (g) Describe the effect of (a) addition of H2 (b) addition of CH3OH (c) removal of CO (d) removal of CH3OH on the [...]
The equilibrium constant for the following reaction is 1.6×10^5 at 1024K H2(g)+Br2(g)⇔2HBr(g) find the equilibrium pressure of all gases if 10.0 bar of HBr is introduced into a sealed container at 1024K.
22
Nov
The equilibrium constant for the following reaction is 1.6×10^5 at 1024K H2(g)+Br2(g)⇔2HBr(g) find the equilibrium pressure of all gases if 10.0 bar of HBr is introduced into a sealed container at 1024K. 2.0 mol litre^−1 H2 and 0.5 mol litre^−1 NH3. Is the reaction at equilibrium? If not Equilibrium constant in which direction does [...]
Tags:
2.0 mol litre^−1 H2 ,
and 0.5 mol litre^−1 NH3. Is the reaction at equilibrium? If not ,
Equilibrium constant ,
in which direction does the reaction tend to proceed to reach equilibrium? ,
Kc for the reaction ,
n2 ,
N2(g)+3H2(g) ⇌ 2NH3(g) ; at 500 K is 0.061 litre 2 mole^−2. At a particular time ,
the analysis shows that composition of the reaction mixture is 3.00 mol litre^−1 ,
Which of the following reactions will get affected by increasing the pressure? Also, mention whether change will cause the reaction to go into forward or backward direction.
22
Nov
Which of the following reactions will get affected by increasing the pressure? Also, mention whether change will cause the reaction to go into forward or backward direction. mention whether change will cause the reaction to go into forward or backward direction. Which of the following reactions will get affected by increasing the pressure? Also November [...]
Does the number of moles of reaction products increase , decrease or remain same when each of the folllowing equilibria is subjected to a decrease by increasing the volume ?
22
Nov
Does the number of moles of reaction products increase , decrease or remain same when each of the folllowing equilibria is subjected to a decrease by increasing the volume ? decrease or remain same when each of the folllowing equilibria is subjected to a decrease by increasing the volume ? Does the number of moles [...]
Calculate (a) ΔG∘ and (b) the equilibrium constant for the formation of NO2 from NO and NO2 and O2 at 298 K NO(g)+1/2O2(g)⇔NO2(g) where ΔfG∘(NO2)=52⋅0kJ/mol , Delta _(f) G^ degree (NO) = 87*0 “kJ/mol,” Delta _(f) G^ degree (O_(2)) = 0 “kJ//mol.`
22
Nov
Calculate (a) ΔG∘ and (b) the equilibrium constant for the formation of NO2 from NO and NO2 and O2 at 298 K NO(g)+1/2O2(g)⇔NO2(g) where ΔfG∘(NO2)=52⋅0kJ/mol , Delta _(f) G^ degree (NO) = 87*0 “kJ/mol,” Delta _(f) G^ degree (O_(2)) = 0 “kJ//mol.` " Delta _(f) G^ degree (O_(2)) = 0 "kJ//mol.` Calculate (a) ΔG∘ and [...]