मराठी
महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

Write an equation that shows the relationship between molar conductivity and degree of dissociation of weak electrolyte.

Advertisements
Advertisements

प्रश्न

Write an equation that shows the relationship between molar conductivity and degree of dissociation of weak electrolyte.

टीपा लिहा
Advertisements

उत्तर

The relationship between molar conductivity (∧c) and degree of dissociation (α) of weak electrolyte is given as

`alpha = Λ_"c"/Λ_0`

where, Λ0 = Limiting molar conductivity

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 5: Electrochemistry - Very short answer questions

संबंधित प्रश्‍न

0.05 M NaOH solution offered a resistance of 31.6 Ω in a conductivity cell at 298 K. If the cell constant of the cell is 0.367 cm-1, calculate the molar conductivity of NaOH solution.


What is a cell constant? What are its units? How is it determined experimentally?


Answer the following in one or two sentences.

Write the relationship between conductivity and molar conductivity and hence unit of molar conductivity.


Answer the following:

What is Kohlrausch law of independent migration of ions? How is it useful in obtaining molar conductivity at zero concentration of a weak electrolyte? Explain with an example.


In case of weak electrolyte the graph Λ vs `sqrt"c"` is _______.


Give SI unit of resistivity.


Write three important steps required to determine molar conductivity.


Write relation between electrolytic conductivity and molar conductivity.


If resistivity of 0.8 M KCI solution is 2.5 × 10-3 Ω cm. Calculate molar conductivity of solution?


The CORRECT unit of molar conductivity is ____________.


What will be the concentration of NaCl solution, if the molar conductivity and conductivity of NaCl solution is 124.3 Ω−1 cm2 mol−1 and 1.243 × 10−4 Ω−1 cm2 respectively?


A conductivity cell having cell constant 8.76 cm−1, placed in 0.01 M solution of an electrolyte offered a resistance of 1000 ohms. What is the specific conductance of electrolytes?


The conductivity of 0.02 M solution of NaCl is 2.6 × 10−2 S cm−1. What is its molar conductivity?


Which among the following solution has the highest conductivity (k) value?


What is the common unit of conductivity if the dimensions are expressed in centimeter?


What is the cell constant of `"N"/10 "KCl"` solution at 25°C, if conductivity and resistance of a solution is 0.0112 Ω−1 cm−1 and 55.0 Ω respectively?


What is the relation between cell constant, conductivity and electrical resistance?


A conductivity cell dipped in 0.01 M AgNO3 solution gives a resistance of 3160 ohms. If cell constant is 0.47 cm−1, what is the conductivity of AgNO3 solution?


What is the value of cell constant if conductance and conductivity of a solution is same?


What will be the concentration of NaCl solution, if the molar conductivity and conductivity of NaCl solution is 124.3 Ω-1 cm2 mol-1 and 1.243 × 10-4 Ω-1 cmrespectively?


If the resistivity of 0.1 M KCI solution is 50 Ω cm, what is it's molar conductivity?


The value of [H3O+] in mol lit–1 of 0.001 M acetic acid solution (Ka = 1.8 × 10–5) is ______.


Calculate molar conductivity for 0.5 M BaCl2 if its conductivity at 298K is 0.01 Ω–1 cm–1.


Specific conductance of 0.1 M HNO3 is 6.3 × 10−2 ohm−1 cm−1. The molar conductance of the solution is ______.


The resistance of a conductivity cell with cell constant 1.14 cm−1, containing 0.001 M KCl at 298 K is 1500 Ω. The molar conductivity of 0.001 MKCl solution at 298 K in S cm2 mol−1 is ______. (Integer answer)


When electric current is passed through acidified water, 112 mL of hydrogen gas at STP collected at the cathode in 965 seconds. The current passed in amperes is ______.


Which of the following expressions correctly represents molar conductivity?


Two solutions have the ratio of their concentrations 0.4 and ratio of their conductivities 0.216. What is the ratio of their molar conductivities?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×