Home
Class 12
CHEMISTRY
The conductivity of 0.001028 mol L^-1 ac...

The conductivity of `0.001028 mol L^-1` acetic acid is `4.95 xx 10^-5 Scm^-1`, Calcụlate its dissociation constint if `Lambda_m^0` for acetic acid is `390.5 Scm^2 mol` :

Text Solution

Verified by Experts

Lambda_m^c=r xx 1000/C =4.95 xx 10^-5 xx 1000/0.001028 =48.15 Scm^2 ~mol^-1 . endalignedbeginarray/l alpha=Lambda^C m/Lambda^0 m=48.15 S^2 m^2 m o l^-1/390.5 cdot S c m^2 m o l^prime=0.1233 because quad K=C alpha^2/1-alpha cdot =.001028 xx(0.1233)^2/1-0.1233^*=1.78 xx 10^-5 moll^-1 endarray
Promotional Banner

Topper's Solved these Questions

  • COORDINATION COMPOUNDS

    V PUBLICATION|Exercise QUESTION BANK|113 Videos
  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    V PUBLICATION|Exercise QUESTION BANK|139 Videos

Similar Questions

Explore conceptually related problems

Conductivity of 0.00241 M acetic acid Is 7.896 xx 10^-5 Scm^-1 . Calculate Its molar conductivity. If lambda^@m for acetic acid Is 390.5 Scm^2 mol^-1 , what Is Its dissociation constant?

The molar conductivity of 0.025 mol L^(-1) methanoic acid (HCOOH) is 46.1 Scm^2 mol^(-1) . Calculate its degree of dissociation and dissociation constant. Given lambda^@ (H^+)=349.6 S cm^2 mol^-1 and lambda (HCOO^-)= 54.6 S cm^2 mol^-1

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)

The conductivity of 0: 20^prime M solution of K C l at 298 ~K is 0.0248 Scm^-1 . Calculate its molar conductivity.

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 .

The density of 2.5 M acetic acid in water is 1.02g ml^(-1) . Calculate the molality of the solution.

The specific conductivity of 0.1 M solution of a weak acid at 298 K is 0.00159 "ohm^(-1) cm^(-1) . Calculate the degree of dissociation of the acid if its molar conductance at infinite dilution is 350.5 "ohm"^(-1) cm^(2) mol^(-1) .

k = 4.95 xx 10^(-5) S cm^(-1) for a 0.001M solution. The reciprocal of the degree of dissociation of acetic acid, if Lamda_(m)^(@) for acetic acid is 400 S cm^(-2) mol^(-1) is

The ionization constant of acetic acid is 1.74 x 10^(-5) .Calculate the degree of dissociations of acetic acid in its '0.05 M' solution. Calculate the concentration of acetate ion in the solution.

The molar conductivity of acetic acid solution at infinite dilution is 390.7 Omega^-1 cm^2 mol^-1 . Calculate the molar conductivity of 0.01 M acetic acid solution, given that the dissociation constant of acetic acid is 1.8 xx 10^-5

V PUBLICATION-ELECTROCHEMISTRY-QUESTION BANK
  1. The conductivity of 0: 20^prime M solution of K C l at 298 ~K is 0.024...

    Text Solution

    |

  2. Conductivity of 0.02 M, KCl solution is 0.002765 S cm^-1 . If th...

    Text Solution

    |

  3. The conductivity of 0.001028 mol L^-1 acetic acid is 4.95 xx 10^-5 Scm...

    Text Solution

    |

  4. Caleulate Lambdam^0 for acetic acid. Given that Lambdam^0(HCl)=426...

    Text Solution

    |

  5. An electrolyte is one : Which conducts electric current, Which is ca...

    Text Solution

    |

  6. Strong electrolytes are those which : dissolve readily in water, cond...

    Text Solution

    |

  7. Electrolytes when dissolved in water dissociate into ions because : t...

    Text Solution

    |

  8. Which of the following aqueous solution will conduct an electric curre...

    Text Solution

    |

  9. Condutivity of a solution is directly proportional to : Dilution, Nu...

    Text Solution

    |

  10. Electrolytic conduction differs from metallic conduction in the case o...

    Text Solution

    |

  11. When a solution of an electrolyte is heated the conductance of the so...

    Text Solution

    |

  12. The conductivity of strong electrolyte : Increases on dilution, Doe...

    Text Solution

    |

  13. Electrolysis of molten NaCl leads to the formation of

    Text Solution

    |

  14. In the electrolysis of NaCl : Cl ion is oxidized at anode, Cl ion ...

    Text Solution

    |

  15. The product of elctrolysis of aqueous NaCl solution are : Na at catho...

    Text Solution

    |

  16. NaOH is manufactured by the electrolysis of brine solution. The próduc...

    Text Solution

    |

  17. The passage of current liberates H2, at cathode and Cl2 at anode. The ...

    Text Solution

    |

  18. The effect of temperature increases, : electrolytic conduction decre...

    Text Solution

    |

  19. Effect of dilution on conduction is : Specific conductance increases m...

    Text Solution

    |

  20. A solution of sodium sulphate in water is electrolyzed using inert ele...

    Text Solution

    |