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For measuring conductivity of an electro...

For measuring conductivity of an electrolyte, its solution should be prepared in

A

Tap water

B

Distilled water

C

Conductivity water

D

Polywater

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The correct Answer is:
B
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It os practically difficult to calculate the equivalent conductivity of a weak electrolyte in aqueous solutions. Comment.

Conductors allow the passage of electric current through them. Metallic and electrolytic are the two types of conductors. Current carriers in metallic and electrolytic conductors are free electrons and free ions respectively. Specific conductance or conductivity of the electrolyte solution is given by the following relation: K= cx (l)/(A) where, c=1/R is the conductance and 1/A is the cell constant, Molar conductance (^^_m) and equivalence conductance (^^_e) of an electrolyte solution are calculated using the following similar relations: ^^_m = K xx (1000)/(M) ^^_(e) = K xx (1000)/(N) where, M and N are the molarity and normality of the solution respectively. Molar conductance of strong electrolyte depends on concentration : ^^_m = ^^_m^(0) - b sqrt(C) ^^_m^(0) = molar conductance at infinite dilution C = concentration of the solution b = constant The degrees of dissociation of weak electrolytes are calculated as alpha = (^^_m)/(^^_m^(0)) = (^^_e)/(^^_e^(0)) Which of the following decreases on dilution of electrolytic solution?

Conductors allow the passage of electric current through them. Metallic and electrolytic are the two types of conductors. Current carriers in metallic and electrolytic conductors are free electrons and free ions respectively. Specific conductance or conductivity of the electrolyte solution is given by the following relation: K= cx (l)/(A) where, c=1/R is the conductance and 1/A is the cell constant, Molar conductance (^^_m) and equivalence conductance (^^_e) of an electrolyte solution are calculated using the following similar relations: ^^_m = K xx (1000)/(M) ^^_(e) = K xx (1000)/(N) where, M and N are the molarity and normality of the solution respectively. Molar conductance of strong electrolyte depends on concentration : ^^_m = ^^_m^(0) - b sqrt(C) ^^_m^(0) = molar conductance at infinite dilution C = concentration of the solution b = constant The degrees of dissociation of weak electrolytes are calculated as alpha = (^^_m)/(^^_m^(0)) = (^^_e)/(^^_e^(0)) For which of the following electrolytic solution ^^_m and ^^_e are equal ?

Conductors allow the passage of electric current through them. Metallic and electrolytic are the two types of conductors. Current carriers in metallic and electrolytic conductors are free electrons and free ions respectively. Specific conductance or conductivity of the electrolyte solution is given by the following relation: K= cx (l)/(A) where, c=1/R is the conductance and 1/A is the cell constant, Molar conductance (^^_m) and equivalence conductance (^^_e) of an electrolyte solution are calculated using the following similar relations: ^^_m = K xx (1000)/(M) ^^_(e) = K xx (1000)/(N) where, M and N are the molarity and normality of the solution respectively. Molar conductance of strong electrolyte depends on concentration : ^^_m = ^^_m^(0) - b sqrt(C) ^^_m^(0) = molar conductance at infinite dilution C = concentration of the solution b = constant The degrees of dissociation of weak electrolytes are calculated as alpha = (^^_m)/(^^_m^(0)) = (^^_e)/(^^_e^(0)) Which of the following equality holds good for the strong electrolytes?

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AAKASH SERIES-ELECTROCHEMISTRY -LEVEL-I ( EXERCISE-I)
  1. (A) : The conductivity of 0.1M solutions of different electrolytes is ...

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  2. Specific conductivity of a solution

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  3. For measuring conductivity of an electrolyte, its solution should be p...

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  4. A graph is drawn between the lambda(eq) values and concentration of an...

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  5. For which case ' lambda' values v/s sqrt(c) shows a straight line

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  6. According to Kohlrausch law, the limiting value of molar conductivity ...

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  7. The expression showing the relationship between equivalent conductivit...

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  8. The molar conductivities Lambda(NaOAc)^(0) and Lambda(HCl)^(0) at inf...

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  9. The equivalent conductances of two strong electrolytes at infinite di...

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  10. In a Galvanic cell, the electrons flow from

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  11. Which of the following statements is wrong about galvanic cells

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  12. Which of the following statements is correct w.r.t. both electrolytic ...

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  13. Saturated solution of KNO3 is used to inake salt bridge because

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  14. (A): A salt bridge allows the flow of current by completing the electr...

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  15. The function of a salt bridge is

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  16. Which of the following is correct?

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  17. Which of the following statements is true for the electrochemical Dani...

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  18. The cell reaction of the galvanic cell, Cu(s) // Cu^(2+)(aq) // Hg^(2+...

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  19. (A) : The Daniel cell becomes dead after some time (R) : Oxidation...

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  20. The cell for which the cell reaction is H2 + Cu^(2+) to 2H^(+) + Cu is...

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