Home
Class 12
CHEMISTRY
At 25^(@)C molar conductance of 0.1 mola...

At `25^(@)C` molar conductance of `0.1` molar aqueous solution of ammonium hydroxide is `9.54 ohm^(-1) cm^(2) mol^(-1)` and at infinte dilution its molar conductance is `238 ohm^(-1) cm^(2) mol^(-1)` The degree of ionisation of ammonium hydroxide at the same concentration and termperature is

A

`40.800%`

B

`2.08o%`

C

`20.800%`

D

`4.008%`

Text Solution

Verified by Experts

The correct Answer is:
D
`%alpha=(lamda^(c))/(lamda^(oo))xx100=(9.54)/(238)xx100=4.008%`
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    ERRORLESS |Exercise Ordinary Thinking Objective Questions (Cell constant and Electrochemical cells)|76 Videos

  • ELECTROCHEMISTRY

    ERRORLESS |Exercise Ordinary Thinking Objective Questions (Corrosion)|6 Videos

  • ELECTROCHEMISTRY

    ERRORLESS |Exercise Ordinary Thinking Objective Questions (Faradays law of electrolysis)|94 Videos

  • D & P-BLOCK ELEMENTS

    ERRORLESS |Exercise JEE Section (Numeric answer type questions)|2 Videos

  • ENVIRONMENTAL CHEMISTRY

    ERRORLESS |Exercise CRITICAL THINKING (Objective question )|16 Videos

Similar Questions

Explore conceptually related problems

At 25^(@)C molar conductance of 0.1 molar aqueous solution of ferrous hydroxide is 9.54 ohm^(-1) cm^(2) mol^(-1) and at infinite dilution its molar conductance is 238 ohm^(-1) cm^(2) mol^(-1) . The percentage degree of ionisation of ferrous ydroxide at the same concentration and temperature is

At 25^@C molar conductance of 0.1 molar qqueous solution of ammonimum bhydroxide si 9.54 "ohm"^(-1) cm^2 "mol"^(-1) and at infinite dilution its molar conductance si 238 "ohm"^(-1) cm^2 "mol"^(-1) . The degree of ionisatiov and temperature is .

The molar conductance of 0.001 M acetic acid is 50 "ohm"^(-1) cm^(2) "mol"^(-1) . The maximum value of "mol"ar conductance is 250 "ohm"^(-1) cm^(2) "mol"^(-1) . What is its degree if ionization ?

Molar conductance of 0.1 M acetic acid is 7 ohm^(-1) cm^(2) "mol"^(-1) . If the molar conductance of acetic acid at infinite dilution is 280 ohm^(-1) cm^(2) "mol"^(-1) , the value of dissoication constant will be:

The molar conductivity of 0.05 M solution of weak acid is 16.6Omega^(-1)cm^(-2)mol^(-1). Its molar conductivity at infinite dilution is 390.7Omega^(-1)cm^(-2)mol^(-1) . The degree of dissociation of weak acid is

Molar conductance of 0.1 M acetic acid is 7 ohm^(-1) cm^2 "mol"^(-1) . If the molar conductance to acetic acid at dinfintie dilution is 380.8 "ohm"^(-1) cm^2 "mol"^(-1) , the value of dissociation constant will be :

Electorlytic specific conductance of 0.25 mol L^(-1) solution of CKI at 25^(@)C is 2.56xx10^(-2) ohm^(-1)cm^(-1) . Calculate its molar conductance.

The conductivity of 0.01 mol//dm^(3) aqueous acetic acid at 300 K is 19.5 xx 10^(-5) ohm^(-1) cm^(-1) and the limiting molar conductivity of acetic acid at the same temperature is 390 ohm^(-1) cm^(2) mol^(-1) . The degree of dissociattion of acetic acid is :

ERRORLESS -ELECTROCHEMISTRY-Ordinary Thinking Objective Questions (Conductor And conductance)
  1. Which of the following expressions correctly represents the equivalent...

    Text Solution

    |

  2. Limiting molar conductivity of NH(4)OH [i.e., Lambda(m)^(@)(NH(4)OH)] ...

    Text Solution

    |

  3. At 25^(@)C molar conductance of 0.1 molar aqueous solution of ammonium...

    Text Solution

    |

  4. The molar conductivity of a 0.5 mol//dm^(3) solution of AgNO(3) with e...

    Text Solution

    |

  5. Which of the following statements is not applicable to electrolytic co...

    Text Solution

    |

  6. The specific conductivity of N/10 KCl solution at 20^(@)C is 0.0212 oh...

    Text Solution

    |

  7. The units of equivalent conductivity are

    Text Solution

    |

  8. The electrolytic conductance is a direct measure of

    Text Solution

    |

  9. The conductivity of a strong electrolyte:

    Text Solution

    |

  10. Which of the following conducts electricity ?

    Text Solution

    |

  11. At 18^(@) C, the conductance of H^(+) and CH3COO^(-) at infinite dilut...

    Text Solution

    |

  12. Specific conductance of 0.1M nitric acid is 6.3xx10^(-2)ohm^(-1)cm^(-1...

    Text Solution

    |

  13. The best conductor of electricity is

    Text Solution

    |

  14. The conductance of a solution of an electrolyte is equal to that of it...

    Text Solution

    |

  15. The electrical properties and their respective SI units are given belo...

    Text Solution

    |

  16. On the basis of the given equivalent conductivity lamda(oo)(NH(4)Cl...

    Text Solution

    |

  17. Which one of the following statements is correct

    Text Solution

    |

  18. The limiting molar conductivities of HCl, CH(3)COONa and NaCl are resp...

    Text Solution

    |

  19. The equivalent conductance of 1 M benzoic acid is 12.8 ohm^(-1) cm^(2)...

    Text Solution

    |

  20. At 25^(@)C, the molar conductances at infinite dilution for the strong...

    Text Solution

    |