Home
Class 12
CHEMISTRY
It is not possible to determine the mola...

It is not possible to determine the molar conductivity of weak electrolyte at infinite dilution`(Lambda_m^@)` graphically by extrapolation.
How can this problem be solved? Discuss the principle involved in the method.

Promotional Banner

Topper's Solved these Questions

  • D AND F - BLOCK ELEMENTS

    A N EXCEL PUBLICATION|Exercise QUESTION BANK|66 Videos
  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    A N EXCEL PUBLICATION|Exercise QUESTION BANK|49 Videos

Similar Questions

Explore conceptually related problems

It is not possible to determine the molar conductivity of weak electrolyte at infinite dilution (Lambda_m^@) graphically by extrapolation. Justify the statement giving reason.

It is not possible to determine the moral conductivity of weak electrolyte at infinite dilution (Lambda_m^@) graphically by extrapolation. Calculate the molar conductivity of NH_4OH at infinite dilution if Lambda_m^@ of Ba(OH)_2,BaCl_2 and NH_4Cl are 523.4,280 and 130 ohm^(-1)cm^(-2)mol^(_1) respectively.

Assertion : Kohlrausch's law helps to find the molar conductivity of a weak electrolyte at infinite dilution. Reason: The cell potential of mercury cell is 1.35 V, which remains constant.

Which of the following is/are true a.Specific conductance denotes conductances of 1cm^(3) of a substance b. Specific conductance as well as molar conductance of a solution of an electrolyte increases upon dilution. c. Limiting molar conductivity of a weak electrolyte cannot be determined by extrapolation of the plot of lamda_(m) against sqrt(c) d. Conductance of metals is by movement of free electrons

With decreases in concentration of an electrolytic solution , Conductivity (K) decreases and molar conductivity (^^_m) increases. Limiting molar conductivity (^^_m^@) of a strong electrolyte can be determined by graphical extrapolation method, Suggest a method for the determination of limiting molar conductivity of a weak electrolyte, taking acetic acid (CH_3COOH) as example .

The following is a plot of molar conductivity of electrolytesA and B against square root of concentration. What does (Lambda_m^@) represent?Give on method for determining (Lamda_m^@) of the electrolyte B.

Kohlrausch's law helps to determine the degree of dissociation of a weak electrolyte at a given concentration. The molar conductivity Lambda_m of .001M acetic acid is 4.95xx10^(_5)Scm^2mol^(-1) .Calculate the degree of dissociation (alpha) at this concentration if limiting molar conductivity lamda_m^0 for H+is 340xx10^(-5)Scm^2mol^(-1) and CH_3COO^- 50.5xx10^(-5)Scm^2mol^(-1)

Kohlrausch’s law Is useful for determining lambda_m^@ of weak electrolytes.The molar conductance at infinite dilution for CH_3COONa , HCI and NaCI are 91, 426.2 and 126.5 ohm^-1 cm^2 moI^-1 respectively at 298K. Calculate the molar conductance of acetic add at infinite dilution.

Kohlrausch’s law Is useful for determining lambda_m^0 of weak electrolytes.The molar conductance of 0.3 M acetic acid Is 176.6 ohm^(-1) cm^2 mol^-1 . Calculate its degree of dissociation if molar conductance at infinite dilution is 384 ohm^-1 cm^2 mol^-1 .

A N EXCEL PUBLICATION-ELECTROCHEMISTRY-QUESTION BANK
  1. Kohlrausch's law helps to determine the degree of dissociation of a we...

    Text Solution

    |

  2. Kohlrausch's law helps to determine the degree of dissociation of a we...

    Text Solution

    |

  3. Represent the electrochemical cells corresponding to the following cel...

    Text Solution

    |

  4. Represent the electrochemical cells corresponding to the following cel...

    Text Solution

    |

  5. What will be the standard EMF of the cell with reaction (i) if E(red)^...

    Text Solution

    |

  6. What is resistivity?Give its unit.

    Text Solution

    |

  7. How is specific conductivity related to resistivity?

    Text Solution

    |

  8. The limiting molar conductivity of an electrolyte is obtained by addin...

    Text Solution

    |

  9. Calculate the molar conductivity of 1M solution of sulphuric acid if i...

    Text Solution

    |

  10. It is not possible to determine the molar conductivity of weak electro...

    Text Solution

    |

  11. It is not possible to determine the molar conductivity of weak electro...

    Text Solution

    |

  12. It is not possible to determine the moral conductivity of weak electro...

    Text Solution

    |

  13. The following is a plot of molar conductivity of electrolytesA and B a...

    Text Solution

    |

  14. The following is a plot of molar conductivity of electrolytesA and B a...

    Text Solution

    |

  15. The following is a plot of molar conductivity of electrolytesA and B a...

    Text Solution

    |

  16. Dry cell is a compact version of Leclanche cell and provides voltage b...

    Text Solution

    |

  17. Dry cell is a compact version of Leclanche cell and provides voltage b...

    Text Solution

    |

  18. Dry cell is a compact version of Leclanche cell and provides voltage b...

    Text Solution

    |

  19. KCL cannot be used in salt bridge inZn//Zn^(+2)////Ag^(+)//Ag.Give rea...

    Text Solution

    |

  20. What happens to pH when aq NaCl is subjected to electrolysis?

    Text Solution

    |