Home
Class 12
CHEMISTRY
The concentration of potassium ions insi...

The concentration of potassium ions inside a biological cell is at least 20 times higher than outside. The resulting potential difference across the cell is important in several processes such as transmission of nerve impulses and maintaining the ion balance. A simplel model for a concentration cell involving a metal `M` is
`M(s)|M^(o+)(aq,0.05 ` molar`)||M^(o+)(aq,1` molar`)|M(s)`
For the abov electrolytic cell, the magnitude of the cell potential is `|E_(cell)|=70mV.`
If the `0.05` moolar solution of `M^(o+)` is replaced by a `0.0025` molar `M^(o+)` solution, then the magnitude of the cell potential would be

A

35 mV

B

70 mV

C

140 mV

D

700 mV

Text Solution

Verified by Experts

The correct Answer is:
C
`(2.303RT)/F"log"1/0.05=0.07,(2.303RT)/F=0.0538`. Then apply again the Nernst equation.
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • IONIC EQUILIBRIUM IN AQUEOUS SOLUTIONS

    RC MUKHERJEE|Exercise Objective Problems|58 Videos

  • MISCELLANEOUS PROBLEMS FOR REVISION

    RC MUKHERJEE|Exercise SUBJECTIVE TYPE QUESTIONS|530 Videos

Similar Questions

Explore conceptually related problems

The concentration of potassium ions inside a biological cell is least twenty time higher than the outside. The resulting potential difference across the cell is important in several processes such as transmission of nerve impulses and maintaining the ion balance. A simple model for such a concentration cell involving a metal M is M_((s))|M^(+)(aq,0.05" molar")||M^(+)(aq,1" molar")|M_((s)) For the above electrolytic cell the magnitude of the cell potential |E_(cell)|=70mV . Q. For the above cell

The concentration of potasslum ions inside a biological cell is at least twenty times higher than the outside. The resulting potential difference across the cell is important in several processes such as transmission of nerve impulses and maintaining the ion balance. A simple model for such a concentration cell involving a metal M is: M(s)|M^(+)(aq 0.5 molar)||M^(+) (aq), 1molar)|M(s) For the above electrolytic cell the magnitude of the cell potential |E_(cell) =70 mV. For the above cell

Knowledge Check

  • The concentration of potassium ions inside a biological cell is at least 20 times higher than outside. The resulting potential difference across the cell is important in several processes such as transmission of nerve impulses and maintaining the ion balance. A simplel model for a concentration cell involving a metal M is M(s)|M^(o+)(aq,0.05 molar )||M^(o+)(aq,1 molar )|M(s) For the abov electrolytic cell, the magnitude of the cell potential is |E_(cell)|=70mV. For the above cell

    A
    `E_(cell)lt0,DeltaGgt0`
    B
    `E_(cell)gt0,DeltaGlt0`
    C
    `E_(cell)lt0,DeltaG^(c-)gt0`
    D
    `E_(cell)gt0,DeltaG^(c-)lt0`

  • The concentration of potassium ions inside a biological cell is at least twenty times higher than the outside. The resulting potential difference across the cell is important in serveral processes such as transmission of nerve impules and maintaining the ion balance. A simple model for such a concentration cell involving a metal M is : M_((s))|M^(+)(aq, 0.05" molar")||M^(+)(aq, 1" molar")|M_((s)) For the above electroltic cell, the magnitude of the cell potential |E_(cell)|=70 m V . If the 0.05 molar solution of M^(+) is replaced by a 0.0025 molar M^(+) solution, then the magnitude of the cell potential would be :

    A
    35 mV
    B
    70 mV
    C
    140 mV
    D
    700 mV

  • The concentration of potassium ions inside a biological cell is least twenty time higher than the outside. The resulting potential difference across the cell is important in several processes such as transmission of nerve impulses and maintaining the ion balance. A simple model for such a concentration cell involving a metal M is M_((s))|M^(+)(aq,0.05" molar")||M^(+)(aq,1" molar")|M_((s)) For the above electrolytic cell the magnitude of the cell potential |E_(cell)|=70mV . Q. if the 0.05 molar solution of M^(+) is replaced by a 0.0025 molar M^(+) solution,then the magnitude of the cell potential would be

    A
    35 mV
    B
    70 mV
    C
    140 mV
    D
    700 mV

    • Similar Questions

    Explore conceptually related problems

    The concentration of potassium ions inside a bilological cell is at least twenty times higher than the outisde. The resulting potential difference across the cell is important in several process such as transmission of nerve impuses and maintaning the ion balance. A simple model for such a concentration cell involving a metal M is M(s)|M^(+)(aq,0.05" molar")||M^(+)(aq,1" molar")|M(s) For the above electrolytic cell, the magnitude of the cell potential |E_(cell)|=70mV . Q. For the above cell

    The concentration of potassium ions inside a biological cell is at least twenty times higher than the outside. The resulting potential difference across the cell is important in several processes such as transmission of nerve impulses and maintaining the ion balance. A simple mode for such a concentration cell involving a metal M is : M_((s))|M_((aq.))^(@) 0.05"molar"||M_((aq.))^(@) 1"molar"|M_((s)) For the above electrolytic cell the magnitude of the cell potential |E_(cell) | = 70mV If the 0.05 molar solution of M^(+) is replaced by 0.0025 molar M^(+) solution, then the magnitude of the cell potential would be :

    The concentration of potasslum ions inside a biological cell is at least twenty times higher than the outside. The resulting potential difference across the cell is important in several processes such as transmission of nerve impulses and maintaining the ion balance. A simple model for such a concentration cell involving a metal M is: M(s)|M^(+)(aq 0.5 molar)||M^(+) (aq), 1molar)|M(s) For the above electrolytic cell the magnitude of the cell potential |E_(cell) =70 mV. If the 0.05 molar solution of M^+ is replaced by 0.0025 molar M^+ solution, then the magnitude of the cell potential would be

    The concentration of potassium ions inside a biological cell is at least twenty times higher than the outside. The resulting potential difference across the cell is important in serveral processes such as transmission of nerve impules and maintaining the ion balance. A simple model for such a concentration cell involving a metal M is : M_((s))|M^(+)(aq, 0.05" molar")||M^(+)(aq, 1" molar")|M_((s)) For the above electroltic cell, the magnitude of the cell potential |E_(cell)|=70 m V . For the above cell :

    If the 0.05 molar solution of M^(+) is replaced by a 0.0025 molar M^(+) solution, then the magnitude of the cell potential would be

    Home
    Profile