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Chemistry Part-I

Equilibrium

{ K }_{ p }=0.04;atm at 899 K for the equilibrium shown below

Chemistry Part-I

Class 11

NCERT

Chapter 1: Some Basic Concepts of Chemistry

44 questions

Chapter 2: Structure of Atom

85 questions

Chapter 3: Classification of Elements and Periodicity in Properties

50 questions

Chapter 4: Chemical Bonding and Molecular Structure

44 questions

Chapter 5: States of Matter

28 questions

Chapter 6: Thermodynamics and Thermochemistry

36 questions

Chapter 7: Equilibrium

101 questions

What is the equilibrium concentration of each of the substances in the equilibrium when the initial concentration of

I Cl

was

0.78 M

2 I Cl (g) ⇌ I_{2} (g) + Cl_{2} (g); K_{c} = 0.14

K_{p} = 0.04 a t m

at 899 K for the equilibrium shown below. What is the equilibrium concentration of

C_{2} H_{6}

when it is placed in a flask at 4.0 atm pressure and allowed to come to equilibrium?

C_{2} H_{6} (g) ⇌ C_{2} H_{4} (g) + H_{2} (g)

Ethyl acetate is formed by the reaction between ethanol and acetic acid and the equilibrium is represented as:

C H_{3} COO H (l) + C_{2} H_{5} O H (l) \to C H_{3} COO C_{2} H_{5} (l) + H_{2} O (l)

(i) Write the concentration ratio (reaction quotient), Qc , for this reaction (note: water is not in excess and is not a solvent in this reaction)
(ii) At 293 K, if one starts with 1.00 mol of acetic acid and 0.18 mol of ethanol, there is 0.171 mol of ethyl acetate in the final equilibrium mixture. Calculate the equilibrium constant.
(iii) Starting with 0.5 mol of ethanol and 1.0 mol of acetic acid and maintaining it at 293 K, 0.214 mol of ethyl acetate is found after sometime. Has equilibrium been reached?

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$K_{p} = 0.04 a t m$ at 899 K for the equilibrium shown below. What is the equilibrium concentration of $C_{2} H_{6}$ when it is placed in a flask at 4.0 atm pressure and allowed to come to equilibrium?
$C_{2} H_{6} (g) ⇌ C_{2} H_{4} (g) + H_{2} (g)$

Name: Video solution 1: [Solved] Kp=0.04atm at 899 K for the equilibrium shown below. What is the equilibrium concentration of C2H6 when it is placed in a flask at 4.0 atm pressure and allowed to come to equilibrium? C2H6(g)⇌C2H4(g)+H2(g) - Chemistry Part-I
Uploaded: 2023-02-19T16:39:41.000Z
Duration: 8 min
Description: Video solution 1: [Solved] Kp=0.04atm at 899 K for the equilibrium shown below. What is the equilibrium concentration of C2H6 when it is placed in a flask at 4.0 atm pressure and allowed to come to equilibrium? C2H6(g)⇌C2H4(g)+H2(g) - Chemistry Part-I

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Updated on: Feb 19, 2023

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Chemistry Part-I (NCERT)

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K_{p} = 0.04 a t m

at 899 K for the equilibrium shown below. What is the equilibrium concentration of

C_{2} H_{6}

when it is placed in a flask at 4.0 atm pressure and allowed to come to equilibrium?

C_{2} H_{6} (g) ⇌ C_{2} H_{4} (g) + H_{2} (g)

10 mins ago

Discuss this question LIVE

10 mins ago

Text solutionVerified

The initial partial pressures of ethane, ethylene and hydrogen are 4.0 atm, 0 atm and 0 atm respectively.
The equilibrium parial pressures are 4-p atm, p atm and p atm respectively.
The equilibrium constant expression is

K_{c} = \frac{P _{C_{2} H_{4}} P _{H_{2}}}{P _{C_{2} H_{6}}} = \frac{p \times p}{4 - p} = 0.04

p^{2} = 0.16 - 0.04 p

p = 0.38

The equilibrium concentration of ethane is

4 - 0.38 = 3.62 a t m

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Practice more questions from Chemistry Part-I (NCERT)

What is the equilibrium concentration of each of the substances in the equilibrium when the initial concentration of

I Cl

was

0.78 M

2 I Cl (g) ⇌ I_{2} (g) + Cl_{2} (g); K_{c} = 0.14

K_{p} = 0.04 a t m

at 899 K for the equilibrium shown below. What is the equilibrium concentration of

C_{2} H_{6}

when it is placed in a flask at 4.0 atm pressure and allowed to come to equilibrium?

C_{2} H_{6} (g) ⇌ C_{2} H_{4} (g) + H_{2} (g)

Ethyl acetate is formed by the reaction between ethanol and acetic acid and the equilibrium is represented as:

C H_{3} COO H (l) + C_{2} H_{5} O H (l) \to C H_{3} COO C_{2} H_{5} (l) + H_{2} O (l)

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Question Text	$K_{p} = 0.04 a t m$ at 899 K for the equilibrium shown below. What is the equilibrium concentration of $C_{2} H_{6}$ when it is placed in a flask at 4.0 atm pressure and allowed to come to equilibrium? $C_{2} H_{6} (g) ⇌ C_{2} H_{4} (g) + H_{2} (g)$
Updated On	Feb 19, 2023
Topic	Equilibrium
Subject	Chemistry
Class	Class 11
Answer Type	Text solution:1 Video solution: 1
Upvotes	185
Avg. Video Duration	8 min

$K_{p} = 0.04 a t m$ at 899 K for the equilibrium shown below. What is the equilibrium concentration of $C_{2} H_{6}$ when it is placed in a flask at 4.0 atm pressure and allowed to come to equilibrium?
$C_{2} H_{6} (g) ⇌ C_{2} H_{4} (g) + H_{2} (g)$

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$K_{p} = 0.04 a t m$ at 899 K for the equilibrium shown below. What is the equilibrium concentration of $C_{2} H_{6}$ when it is placed in a flask at 4.0 atm pressure and allowed to come to equilibrium?
$C_{2} H_{6} (g) ⇌ C_{2} H_{4} (g) + H_{2} (g)$