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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

Write relation between electrolytic conductivity and molar conductivity. - Chemistry

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प्रश्न

Write relation between electrolytic conductivity and molar conductivity.

एका वाक्यात उत्तर
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उत्तर

The molar conductivity of the given solution is related to electrolytic conductivity as: `Lambda = "k"/"c"`

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Electrical Conductance of Solution
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पाठ 5: Electrochemistry - Long answer questions

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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.


Answer the following in brief.

Explain the effect of dilution of the solution on 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.


Kohlrausch law is applicable for the solution _______.


SI unit of conductivity is _______.


Give SI unit of resistivity.


Calculate molar conductivities at zero concentration for CaCl2 and NaCl.

Given: molar ionic conductivities of Ca2+, Cl, Na+ ions are respectively, 104, 76.4, 50.1 Ω–1 cm–2 mol–1


Molar conductance of BaCl2, H2SO4 and HCl at infinite dilution are X1, X2 and X3 respectively. Molar conductance of BaSO4 at infinite dilution is ____________.


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 ____________.


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?


The molar conductivities at zero concentration for Ca2+ and CaCl2 are 104 and 256.8 Ω−1 cm2 mol−1 respectively. The molar conductivity at zero concentration for Cl is ____________.


The SI unit of resistivity and molar conductivity are respectively ____________.


The molar conductivities at infinite dilution for sodium acetate, HCI and NaCl are 91 S cm2 mol-1, 425.9 S cm2 mol-1 and 126.4 S cm2 mol-1 respectively. The molar conductivity of acetic acid at infinite dilution is ______.


The resistance of a conductivity cell containing 0.001 M KCl solution at 298 K is 1500 Ω. What is the cell constant if conductivity of 0.001 M KCI solution at 298 K is 0.146 × 10−3 S cm−1?


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


In 2 hours, a certain current liberates 0.504 g hydrogen. How many grams of copper can be deposited by the same current flowing for the same time in a CuSO4 solution?

(Molar mass of Cu = 63.5 g mol−1, H2 = 2.0 g mol−1)


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 unit of electrical conductance?


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?


What is the conductivity of 0.01 M NaCl solution if resistance and cell constant of NaCl solution are 375 ohms and 0.5 cm-1 respectively at 298 K?


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


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


What is the SI unit of molar conductivity?


Explain the determination of molar conductivity of a weak electrolyte at infinite dilution or zero concentration using Kohlrausch's law.


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