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11th
Chemistry
Equilibrium
$Applications of Equilibrium Constants$

Applications of Equilibrium Constants

Equilibrium

Chemistry

Class 11

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Equilibrium Constant and Reaction Quotient

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Law of Chemical Equilibrium, Equilibrium Constant - Examples NCERT Solutions for Class 11 Chemistry Chapter 7 Free PDF Download Nernst equation: Concepts, Derivation, Conditions, Example and Videos Gibbs Free Energy: What It Is, Equation, Conditions, Videos and Examples

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Equilibrium Constant and Reaction Quotient

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Features and Application of Equilibrium Constant.

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A mixture of 2 moles of $C H_{4}$ & 34 gms of $H_{2} S$ was placed in an evacuated container, which was then heated to & maintained at $72 7^{\circ} C$ . When equilibrium was established in the gaseous reaction $C H_{4} + 2 H_{2} S ⇌ C S_{2} + 4 H_{2}$ ; the total pressure in the container was 0.92 atm & the partial pressure of hydrogen was 0.2 atm. What was the volume of the container?

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At a given temperature, the equilibrium constant for the reaction $P C l_{5} (g) ⇋ P C l_{3} (g) + C l_{2} (g)$ is $2.4 \times 1 0^{- 3}$ . At the same temperature, the equilibrium constant for the reaction $P C l_{3} (g) + C l_{2} (g) ⇋ P C l_{5} (g)$ is:

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Which of the following statements concerning transition elements is false ?

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How much $P C l_{5}$ must be added to a one-litre vessel at $25 0^{o} C$ in order to obtain a concentration of 0.1 moles of $C l_{2}$ ?

$K_{c}$ for $P C l_{5} ⟺ P C l_{3} + C l_{2}$ is 0.0414 mol/litre.

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In the reaction :-
$C u S O_{4} \cdot 3 H_{2} O (s) ⇌ 2 C u S O_{4} \cdot H_{2} O (s) + 2 H_{2} O (v)$ ,
Dissociation pressure is $7 \times 10^{- 3}$ atm at $25$ and $Δ H = 2700 c a l$ . If the dissociation pressure at $127$ is $X \times 10^{- 3}$ atm, then $100 X$ is__________.

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The equilibrium constant for the reaction, $C H_{3} C O O H (l) + C_{2} H_{5} O H (l) ⇌ C H_{3} C O O C_{2} H_{5} (l) + H_{2} O (l)$ is $4$ . What will be the composition of the equilibrium mixture when $1$ mole of acetic acid is taken along with $4$ moles of ethyl alcohol?

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$C a C O_{3} (s) \to C a O (s) + C O_{2} (g)$ at const Temp, the pressure will increase if :

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$15 g$ sample of $B a O_{2}$ is heated to $79 4^{o} C$ in a close evacuated vessel of $5$ litre capacity. How many $g$ of peroxide are converted to $B a O (s)$ .
$B a O_{2} (s) ⇌ 2 B a O (s) + O_{2} (g), K_{P} = 0.5 a t m$ .

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In the reaction : $C (s) + C O_{2} (g) ⇌ 2 C O (g)$ , the equilibrium pressure is 6 atm. If 50% of $C O_{2}$ reacts, then $K_{p}$ of the reaction is _______.

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In which of the following cases does the reaction go fastest to completion?

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Applications of Equilibrium Constants

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Equilibrium Constant and Reaction Quotient

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Features and Application of Equilibrium Constant.

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At a given temperature, the equilibrium constant for the reaction $P C l_{5} (g) ⇋ P C l_{3} (g) + C l_{2} (g)$ is $2.4 \times 1 0^{- 3}$ . At the same temperature, the equilibrium constant for the reaction $P C l_{3} (g) + C l_{2} (g) ⇋ P C l_{5} (g)$ is:

Which of the following statements concerning transition elements is false ?

How much $P C l_{5}$ must be added to a one-litre vessel at $25 0^{o} C$ in order to obtain a concentration of 0.1 moles of $C l_{2}$ ?

$K_{c}$ for $P C l_{5} ⟺ P C l_{3} + C l_{2}$ is 0.0414 mol/litre.

In the reaction :-
$C u S O_{4} \cdot 3 H_{2} O (s) ⇌ 2 C u S O_{4} \cdot H_{2} O (s) + 2 H_{2} O (v)$ ,
Dissociation pressure is $7 \times 10^{- 3}$ atm at $25$ and $Δ H = 2700 c a l$ . If the dissociation pressure at $127$ is $X \times 10^{- 3}$ atm, then $100 X$ is__________.

The equilibrium constant for the reaction, $C H_{3} C O O H (l) + C_{2} H_{5} O H (l) ⇌ C H_{3} C O O C_{2} H_{5} (l) + H_{2} O (l)$ is $4$ . What will be the composition of the equilibrium mixture when $1$ mole of acetic acid is taken along with $4$ moles of ethyl alcohol?

$C a C O_{3} (s) \to C a O (s) + C O_{2} (g)$ at const Temp, the pressure will increase if :

$15 g$ sample of $B a O_{2}$ is heated to $79 4^{o} C$ in a close evacuated vessel of $5$ litre capacity. How many $g$ of peroxide are converted to $B a O (s)$ .
$B a O_{2} (s) ⇌ 2 B a O (s) + O_{2} (g), K_{P} = 0.5 a t m$ .

In the reaction : $C (s) + C O_{2} (g) ⇌ 2 C O (g)$ , the equilibrium pressure is 6 atm. If 50% of $C O_{2}$ reacts, then $K_{p}$ of the reaction is _______.

In which of the following cases does the reaction go fastest to completion?

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Applications of Equilibrium Constants

Overview

Learn

Videos

Study Materials

Quick summary with Stories

Equilibrium Constant and Reaction Quotient

Revise with Concepts

Features and Application of Equilibrium Constant.

Calculations Involving Equilibrium Constant

Related questions

At a given temperature, the equilibrium constant for the reaction PCl5​(g)⇋PCl3​(g)+Cl2​(g) is 2.4×10−3. At the same temperature, the equilibrium constant for the reaction PCl3​(g)+Cl2​(g)⇋PCl5​(g) is:

Which of the following statements concerning transition elements is false ?

How much PCl5​ must be added to a one-litre vessel at 250oC in order to obtain a concentration of 0.1 moles of Cl2​? Kc​ for PCl5​⟺PCl3​+Cl2​ is 0.0414 mol/litre.

In the reaction :- CuSO4​⋅3H2​O(s)⇌2CuSO4​⋅H2​O(s)+2H2​O(v),Dissociation pressure is 7×10−3 atm at 25 and ΔH=2700cal. If the dissociation pressure at 127 is X×10−3 atm, then 100X is__________.

The equilibrium constant for the reaction, CH3​COOH(l)+C2​H5​OH(l)⇌CH3​COOC2​H5​(l)+H2​O(l) is 4. What will be the composition of the equilibrium mixture when 1 mole of acetic acid is taken along with 4 moles of ethyl alcohol?

CaCO3​(s)→CaO(s)+CO2​(g) at const Temp, the pressure will increase if :

15 g sample of BaO2​ is heated to 794oC in a close evacuated vessel of 5 litre capacity. How many g of peroxide are converted to BaO(s). BaO2​(s)⇌2BaO(s)+O2​(g),KP​=0.5 atm.

In the reaction : C(s)+CO2​(g)⇌2CO(g), the equilibrium pressure is 6 atm. If 50% of CO2​ reacts, then Kp​ of the reaction is _______.

In which of the following cases does the reaction go fastest to completion?

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At a given temperature, the equilibrium constant for the reaction $P C l_{5} (g) ⇋ P C l_{3} (g) + C l_{2} (g)$ is $2.4 \times 1 0^{- 3}$ . At the same temperature, the equilibrium constant for the reaction $P C l_{3} (g) + C l_{2} (g) ⇋ P C l_{5} (g)$ is:

How much $P C l_{5}$ must be added to a one-litre vessel at $25 0^{o} C$ in order to obtain a concentration of 0.1 moles of $C l_{2}$ ?

$K_{c}$ for $P C l_{5} ⟺ P C l_{3} + C l_{2}$ is 0.0414 mol/litre.

In the reaction :-
$C u S O_{4} \cdot 3 H_{2} O (s) ⇌ 2 C u S O_{4} \cdot H_{2} O (s) + 2 H_{2} O (v)$ ,
Dissociation pressure is $7 \times 10^{- 3}$ atm at $25$ and $Δ H = 2700 c a l$ . If the dissociation pressure at $127$ is $X \times 10^{- 3}$ atm, then $100 X$ is__________.

The equilibrium constant for the reaction, $C H_{3} C O O H (l) + C_{2} H_{5} O H (l) ⇌ C H_{3} C O O C_{2} H_{5} (l) + H_{2} O (l)$ is $4$ . What will be the composition of the equilibrium mixture when $1$ mole of acetic acid is taken along with $4$ moles of ethyl alcohol?

$C a C O_{3} (s) \to C a O (s) + C O_{2} (g)$ at const Temp, the pressure will increase if :

$15 g$ sample of $B a O_{2}$ is heated to $79 4^{o} C$ in a close evacuated vessel of $5$ litre capacity. How many $g$ of peroxide are converted to $B a O (s)$ .
$B a O_{2} (s) ⇌ 2 B a O (s) + O_{2} (g), K_{P} = 0.5 a t m$ .

In the reaction : $C (s) + C O_{2} (g) ⇌ 2 C O (g)$ , the equilibrium pressure is 6 atm. If 50% of $C O_{2}$ reacts, then $K_{p}$ of the reaction is _______.