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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

Write relation between electrolytic conductivity and molar conductivity.

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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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पाठ 5: Electrochemistry - Long answer questions

संबंधित प्रश्‍न

Choose the most correct option.

Two solutions have the ratio of their concentrations 0.4 and ratio of their conductivities 0.216. The ratio of their molar conductivities will be ______.


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 in brief.

Explain the effect of dilution of the solution on conductivity.


The molar conductivity and conductivity of AgNO3 solution is 121.4 Ω–1 cm2 mol–1 and 2.428 × 10–3 Ω–1 cm–1 at 25 °C. What is molar concentration of AgNO3 solution?


Give SI unit of resistivity.


Write applications of Kohlrausch’s Law.


Write three important steps required to determine molar conductivity.


For the reaction \[\ce{A -> B}\], the rate increases by a factor of 2.25 when the concentration of A is increased by 1.5. What is the order of the reaction?


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 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 ______.


Which of the following graph represents the variation of `∧` with `sqrt"c"` for acetic acid solution?


The distance between electrodes of a conductivity cell is 0.98 cm and area of cross section is 1.96 cm2. What is the cell constant?


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


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


Which of the following has least conductivity in aqueous solution? 


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


A conductivity cell filled with 0.02 M AgNO3 gives at 25°C resistance of 947 ohms. If the cell constant is 2.3 cm-1, what is the molar conductivity of 0.02 M AgNO3 at 25°C?


What is the SI unit of molar conductivity?


Define the term cell constant.


Write the relation between molar conductivity and molar ionic conductivities for the electrolytes:

  1. Na2SO4
  2. AlCl3

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


Which of the following expressions correctly represents molar conductivity?


The molar conductivity of a 0.02 mol dm−3 solution of sodium hydroxide is 230.5 Ω−1 cm2 mol−1. What is its conductivity?


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