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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

In case of weak electrolyte the graph Λ vs c is

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प्रश्न

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

पर्याय

  • linear

  • not linear

  • straight line passing from origin

  • curved

MCQ
रिकाम्या जागा भरा
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उत्तर

In case of weak electrolyte the graph Λ vs `sqrt"c"` is not linear.

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पाठ 5: Electrochemistry - Multiple choice 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.


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.


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


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


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?


The molar conductance of 0.001 M acetic acid is 50 ohm−1 cm2 mol−1. The limiting molar conductance is 250 ohm−1 cm2 mol−1. What is its degree of ionization?


The molar conductances at infinite dilution `(∧_0)` for electrolytes B+A and C+A are 140 and 120 S cm2 mol−1. The molar conductance at infinite dilution for B+X is 198 S cm2 mol−1. The `∧_0` (in S cm2 mol−1) of C+X is __________.


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?


Conductivity of KCI solution is 0.0027 Ω−1 m−1 at 25°C. The resistance of the solution is 82.4 Ω. The cell constant is ____________ m−1.


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


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


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


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 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?


A conductivity cell dipped in 0.5 M KCl gives a resistance of 250 ohms. If the conductivity of KC I solution is 6.68 × 10-3 S cm-1, what is the cell constant?


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


What is the SI unit of 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?


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


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 ______.


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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