Home
Class 12
CHEMISTRY
For the cell reaction, A(s) + 2B^(-)"(aq...

For the cell reaction, `A(s) + 2B^(-)"(aq) rarr A^(2+) (aq) + 2B(s)`, the value of Kc is `3.98 xx 10^(15)` .Calculate `E_(cell)^(@)` at 298 K.

Text Solution

Verified by Experts

`E_(cell)^(@)=(0.59 V)/(n)log k_(c )=(0.059 v)/(2) log 3.98 xx10^(15)`
`=0.02955 v xx 15.59999=0.4603 V`
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    BRILLIANT PUBLICATION|Exercise LEVEL-I|35 Videos

  • ELECTROCHEMISTRY

    BRILLIANT PUBLICATION|Exercise LEVEL-II|70 Videos

  • D & F BLOCK ELEMENTS

    BRILLIANT PUBLICATION|Exercise Level -II|38 Videos

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    BRILLIANT PUBLICATION|Exercise LEVEL - II (ASSERTION - REASON) |5 Videos

Similar Questions

Explore conceptually related problems

For the cell reaction, Mg(s)+2Ag^(+) (aq.) rarr Mg^(2+) (aq) + 2Ag(s) E_(cell)^(@) : +3.17 V at 298 K. The value of E_(cell)^(@) triangle G^(@) and at Ag^(+) and Mg^(2+) concentrations of 0.001 M and 0.02 M respectively are:

Complete the chemical reactions PbS (s)+H_2O_2 (aq) rarr

The measured EMF at 298 K for the cell reaction, Zn(s) + Cu^(2+)(1.0 M) rarr Cu(s) + Zn^(2+)(0.1M) is 1.13 V. Calculate E^(@) for the cell reaction.

For the redox reaction: Zn(s)+Cu^(2+) (0.1M) rarr Zn^(2+) (1M) + Cu(s) taking place in a cell, E_(cell)^(@) is 1.10V. E_(cell)^(@) for the cell will be [2.303(RT/F)=0.0591]

Complete the chemical reactions MnO_4(aq)+H_2O_2(aq)rarr

The reaction 1/2H_(2) (g) +AgCl(s) = H^(+) (aq) + CI^(-) (aq) + Ag(s) occurs in the galvanic cell

The standard E.M.F. for the cell reaction: Zn(s) + Cu^(2+) (aq) - Zn^(2+) (aq) + (Cu) is 1.10 volts at 25^(@) C. The EMF. For the cell reaction when 0.01 M Cu^(2+) and 0.1 M Zn^(2+) solutions are used at 25^(@) C is:

Write the half reactions for the following redox reaction. Zn(s) + 2H^+ (aq) rarr Zn^(2+) (aq) + H_2(g)

Consider the reaction: Cl_(2) (aq) + H_(2)S(aq) rarr S(s) + 2H^(+) (aq) + 2CI^(-) (aq) The rate equation for this reaction is rate = k [Cl_(2) ] [H_(2)S] Which of these mechanisms is/are consistent with this rate equation. (I) CI_(2)+H_(2)S rarrH^(+)+Cl^(-)+CI^(+)+HS^(-) (slow) Cl^(+)+HS ^(−) →H^( +)+Cl ^(−)+ S (fast) (II) H_(2)S rarrH^(+) +HS^(-) (fast equilibrium) Cl _(2)+HS^(−)→2Cl ^(−)+H^(+)+S (slow)

The cell in which the following reaction occurs 2Fe^(3+)(aq)+2I-(aq) to 2Fe^(2+)(aq) + I_2(s) has E_(cell)^0 = 0.236V at 298 K. Calculate the standard Gibbs energy and equilibrium constant of the cell reaction