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At infinite dilution , the percentage io...

At infinite dilution , the percentage ionisation of both strong and weak electrolytes is

A

`1%`

B

`20%`

C

` 50%`

D

` 100%`

Text Solution

Verified by Experts

The correct Answer is:
D
` alpha = sqrt((K_a)/(C)) "as " c to 0, alpha to 1`
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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?

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AAKASH SERIES-IONIC EQUILIBRIUM -LECTURE SHEET (EXERCISE -II LEVEL -I (MAIN) (Straight Objective Type Questions))
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  5. The P^(H) of 0.005 M Ba (OH)(2) is

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  6. The [OH]^(-)] of 0.005 M H(2)SO(4) is

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  7. The P^(H) of a dibasic acid is 3.699. Its molarity is

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  8. The P^(H) of 10^(-8) M HCI is

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  9. The p^(H) of 0.1 M NaCI solution is

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  10. The P^(H) of a solution is 3.0. This solution is diluted by 100 times...

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  11. The P^(H) of HCI is 3. Then the P^(H) of NaOH solution having same mo...

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  12. For weak acid (alpha is very small)

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  13. At infinite dilution , the percentage ionisation of both strong and we...

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  14. Which of the following is the best conductor of electricity ?

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  15. Strength of a weak acid or a weak base depends upon its

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  16. The P^(H) of 0.001 M CH(3),COOH is

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