Cell constant of a coductivity cell is usually derived by using a solution of 

  • Option 1)

    KCl

  • Option 2)

    NaCl

  • Option 3)

    NH4Cl

  • Option 4)

    LiCl

 

Answers (1)

As we learnt in 

Equilibrium Constant from Nernst Equation -

E_{cell}^{0}=\frac{2.303 RT}{nf}log K_{c}

K_{c}= equilibrium constant.

F = 96487 C mol-1

R= 8.314 JK-1 mol-1

-

 

To determine the resistace of a cell, its conductance is measured using KCl solution. The standard values of specific conductance of KCl solutions at different concentrations are known.

\therefore KCl\, \, is\, \, used

 


Option 1)

KCl

Correct

Option 2)

NaCl

Incorrect

Option 3)

NH4Cl

Incorrect

Option 4)

LiCl

Incorrect

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