if you want to remove an article from website contact us from top.

    write relationship between standard free energy change and standard cell potential

    Mohammed

    Guys, does anyone know the answer?

    get write relationship between standard free energy change and standard cell potential from screen.

    What is the relation between electrochemical cell and Gibbs free energy of the cell reaction?

    What is the relation between electrochemical cell and Gibbs free energy of the cell reaction?

    Byju's Answer Standard XII Chemistry

    Redox Reactions and Couple

    What is the r... Question

    What is the relation between electrochemical cell and Gibbs free energy of the cell reaction?

    Open in App Solution

    The change in Gibbs free energy for an electrochemical cell can be related to the cell potential. Relation between Electrochemical Cell Potential and Gibbs free Energy change is given by; Δ G = -nFE where Delta G is Gibbs Free energy change , n is the number of electrons involved in the reaction and F is Faraday and E is the Cell potential.

    Suggest Corrections 22

    SIMILAR QUESTIONS

    Q.

    Gibbs free energy change for a cell reaction is positive what does it indicates?

    Q. Electrical energy produced by a reversible electrochemical cell is given by the free energy decrease

    ( – Δ G )

    of the reaction occurring in the cell. According to Gibbs- Helmholtz equation, decrease in free energy is given by

    – Δ G = – Δ H – T [ δ ( Δ G ) δ T ] P where – Δ H

    is the decrease in enthalpy of the cell reaction at constant pressure. EMF of the cell,

    E = − Δ H n F + T [ δ E δ T ] P

    . By measuring the emf of the cell and its temperature co-efficient, thermodynamic quantities like

    Δ H , Δ G and Δ S

    can be determined. Standard emf of the cell is related to equilibrium constant of the cell reaction as

    E 0 = 2.303 R T l o g k n F . EMF of the cell, A A 2 + B + B ( S ) ( a q ) ( a q ) ( s ) 1 M 0.1 M

    is found to be 1.475 Volt. The equilibrium constant of the cell reaction at

    25 ∘

    C is (approximately)

    Q. Electrical energy produced by a reversible electrochemical cell is given by the free energy decrease

    ( – Δ G )

    of the reaction occurring in the cell. According to Gibbs- Helmholtz equation, decrease in free energy is given by

    – Δ G = – Δ H – T [ δ ( Δ G ) δ T ] P where – Δ H

    is the decrease in enthalpy of the cell reaction at constant pressure. EMF of the cell,

    E = − Δ H n F + T [ δ E δ T ] P

    . By measuring the emf of the cell and its temperature co-efficient, thermodynamic quantities like

    Δ H , Δ G and Δ S

    can be determined. Standard emf of the cell is related to equilibrium constant of the cell reaction as

    E 0 = 2.303 R T l o g k n F .

    From the following values of electrode potentials,

    (i) ( f u m a r a t e ) 2 − + 2 H + + 2 e − → ( s u c c i n a t e ) − 2 , E 0 1 = 0.03 V and (ii) ( p y r u v a t e ) − + 2 H + + 2 e − → ( l a c t a t e ) − , E 0 2 = – 0.18 V . C a l c u l a t e Δ G ∘ for the reaction, ( f u m a r a t e ) 2 − + ( l a c t a t e ) − → ( s u c c i n a t e ) − 2 + ( p y r u v a t e ) −

    Q. Electrical energy produced by a reversible electrochemical cell is given by the free energy decrease

    ( – Δ G )

    of the reaction occurring in the cell. According to Gibbs- Helmholtz equation, decrease in free energy is given by

    – Δ G = – Δ H – T [ δ ( Δ G ) δ T ] P where – Δ H

    is the decrease in enthalpy of the cell reaction at constant pressure. EMF of the cell,

    E = − Δ H n F + T [ δ E δ T ] P

    . By measuring the emf of the cell and its temperature co-efficient, thermodynamic quantities like

    Δ

    स्रोत : byjus.com

    The cell potential (E) and the free energy change (G) accompanying an electrochemical reaction are related by:

    Click here👆to get an answer to your question ✍️ The cell potential (E) and the free energy change (G) accompanying an electrochemical reaction are related by:

    Join / Login Class 12 >>Chemistry >>Electrochemistry >>Nernst Equation

    >>The cell potential (E) and the free ener

    Question

    The cell potential (E) and the free energy change (△G) accompanying an electrochemical reaction are related by:

    A

    △G=nF logE

    B

    △G=nFE

    C

    △G=−nFE

    D

    −△G=nF logE

    Easy Open in App

    Updated on : 2022-09-05

    Solution Verified by Toppr

    Correct option is C)

    For an electrochemical reaction, the free energy change is given as

    ΔG=−nFE

    Was this answer helpful?

    The Gibbs energy change accompanying a given process is -85.77 kJ mol

    3 1 SIMILAR QUESTIONS −1 at 25 o C and -83.68 kJ mol −1 at 35 o

    C. The heat of reaction of process at 30

    o C is: Hard View solution >

    The free energy change is x kJ. −100x is :

    The standard Gibbs free energy change (△G

    Hard View solution > ∘ in kJ mol −1

    ), in a Daniel cell (E

    cell ∘ ​

    =1.1V), when 2 moles of Zn(s) is oxidized at 298 K, is closest to:

    Match the thermodynamic properties (List I) with their relation (List II).

    Hard View solution > List I List II

    A. Free energy change (ΔG

    o ) (i) RTlog e ​ K

    B. Entropy change ΔS

    o (ii) −nFE C. ΔH o

    enthalpy change of a

    reaction in standard state (iii) RT

    2 ( dT dlnK ​ ) P ​

    D. Standard free energy change (ΔG

    for the cell reaction

    o ) (iv) −{ dT dΔG o ​ } P ​ Medium View solution > Cu 2+ (C 1 ​ aq)+Zn(s)=Zn 2+ (C 2 ​ aq)+Cu(s)

    of an electrochemical cell, the change in free energy at a given temperature is a function of 

    Hard View solution > MORE FROM CHAPTER Electrochemistry View chapter >

    REVISE WITH CONCEPTS

    Nernst Equation and Calculation of Emf

    Example Definitions Formulaes >

    Emf, Gibbs Energy and Equilibrium Constant

    Example Definitions Formulaes > LEARN WITH VIDEOS

    Nernst Equation 14 mins

    Relation between EMF, Gibbs Free Energy, and Reaction Constant

    15 mins

    Numerical on Nernst Equation

    14 mins SHORTCUTS & TIPS

    Common Misconceptions

    >

    Problem solving tips

    > Important Diagrams > Memorization tricks > Mindmap > Cheatsheets >

    PRACTICE MORE QUESTIONS

    Easy Questions 96 Qs > Medium Questions 564 Qs > Hard Questions 324 Qs >

    Get the Free Answr app

    Click a picture with our app and get instant verified solutions

    Scan Me OR

    Receive an SMS with download link

    +91 Send

    स्रोत : www.toppr.com

    Write the equation showing the relationship between standard free energy and standard cell potential.

    DeltaG^(@)=-nFE(cell)^(@)Write the equation showing the relationship between standard free energy and standard cell potential.

    Home > English > Class 12 > Chemistry > Chapter > Electrochemistry >

    Write the equation showing the...

    Write the equation showing the relationship between standard free energy and standard cell potential.

    Updated On: 27-06-2022

    ( 00 : 20 ) ADVERTISEMENT Text Solution Open Answer in App Solution Δ G ∘ =−nF E ∘ cell ΔG∘=-nFEcell∘

    Answer

    Step by step solution by experts to help you in doubt clearance & scoring excellent marks in exams.

    Related Videos

    644541782 12 300 1:55

    Write the equation showing the relationship between standard free energy and standard cell potential.

    30709906 10 400 1:23

    Write equation for the reaction between free energy change and standard cell potential.

    225666495 5 3.9 K 4:22

    सेल अभिक्रिया की मानक मुक्त ऊर्जा

    (Δ G ∘ ) (ΔG∘)

    और सेल के मानक इलेक्ट्रोड विभव में संबंध स्थापित कीजिये।

    643259260 0 3.7 K 1:25

    Write the relationship between equilibrium constant of the reaction and standard potential of the cell.

    646936455 3 1.2 K 4:10

    Choose the correct relation between standard free energy change and standard cell potential

    645640733 49 5.6 K

    What is the relation between standard Gibb.s free energy and standard emf of the cell ?

    Show More ADVERTISEMENT Follow Us:

    Popular Chapters by Class:

    Class 6 Algebra

    Basic Geometrical Ideas

    Data Handling Decimals Fractions Class 7

    Algebraic Expressions

    Comparing Quantities

    Congruence of Triangles

    Data Handling

    Exponents and Powers

    Class 8

    Algebraic Expressions and Identities

    Comparing Quantities

    Cubes and Cube Roots

    Data Handling

    Direct and Inverse Proportions

    Class 9

    Areas of Parallelograms and Triangles

    Circles Coordinate Geometry Herons Formula

    Introduction to Euclids Geometry

    Class 10

    Areas Related to Circles

    Arithmetic Progressions

    Circles Coordinate Geometry

    Introduction to Trigonometry

    Class 11 Binomial Theorem

    Complex Numbers and Quadratic Equations

    Conic Sections

    Introduction to Three Dimensional Geometry

    Limits and Derivatives

    Class 12

    Application of Derivatives

    Application of Integrals

    Continuity and Differentiability

    Determinants

    Differential Equations

    Privacy Policy

    Terms And Conditions

    Disclosure Policy Contact Us

    स्रोत : www.doubtnut.com

    Do you want to see answer or more ?
    Mohammed 1 month ago
    4

    Guys, does anyone know the answer?

    Click For Answer