### Electrochemistry

Electrochemistry

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**Electrochemistry**knowledge.

Which of the following solutions of NaCl will have the highest specific condutance ?

The specific conductance of a N/10 KCl at 25°C is 0.0112 ohm-1 cm-1. The resistance of cell containing solution at the same temperature was found to be 55 ohms. The cell constant will be

At infinite dilution, the eq. conductannces of CH_{3}COONa, HCl and CH_{3}COOH are 91, 426 and 391 mho cm2 respectively at 25°C, The eq. conductance of NaCl at infinite dilution will be :

The ionization constant of a weak electrolyte is 25 × 10-6 while the equivalent conductance of its 0.01 M solution is 19.6 S cm2 eq-1. The equivalent conductance of the electrolyte at infinite dilution (in S cm2 eq-1 ) will be

The specific conductivity of a saturated solution of AgCl is 3.40 × 10-6 ohm-1cm-1 at 25 ºC. If λ_{Ag+} = 62.3 ohm-1cm2 mol-1 & λ_{cl} = 67.7 ohm-1cm2 mol-1, the solubility of AgCl at 25º C is :

The specific conductance of a salt of 0.01 M concentration is 1.061 × 10-4 molar conductance of the same solution will be :

If the specific resistance of a solution of concentration C g equivalent litre-1 is R, then its equivalent conductance is :

The equivalent conductivity of 0.1 N CH_{3}COOH at 25°C is 80 and at infinite dilution 400. The degree of dissociation of CH_{3}COOH is :

The equivalent conductance of 32 M solution of a weak monobasic acid is 8.0 mho cm2 and at infinite dilution

is 400 mho cm2. The dissociation constant of this acid is :

Molar conductivities (Λºm) at infinite dilution of NaCl, HCl and CH_{3}COONa are 126.4, 425.9 and 91.0 S cm2 mol-1 respectIvely. Λºm for CH_{3}COOH will be :

Resistance of 0.1 M KCl solution in a conductance cell is 300 ohm and conductivity is 0.013 Scm-1. The value of cell constant is :

The value of λ∞_{m} for NH_{4}Cl, NaOH and NaCl are 129.8, 248.1 and 126.4 ohm-1 cm2 mol-1 respectively.

Calculate λ∞_{m} for NH_{4}OH solution (in ohm-1 cm2 mol-1)

The molar conductance at infinite dilution of AgNO_{3}, AgCl and NaCl are 116.5, 121.6 and 110.3 respectively. The molar conductances of NaNO_{3} is :

The specific conductance of a 0.01 M solution of KCl is 0.0014 ohm-1 cm-1 at 25°C, Its equivalent conductance

(cm2 ohm-1 equiv-1 M) is :

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## Try other Chapter

- Chapter 1: The Solid State.
- Chapter 2: Solutions.
- Chapter 4: Chemical Kinetics.
- Chapter 5: Surface Chemistry.
- Chapter 6: General Principles and Processes of Isolation of Elements.
- Chapter 7: d & f Block Elements.
- Chapter 8: Coordination Compounds.
- Chapter 9: Haloalkanes and Haloarenes.
- Chapter 10: Alcohols, Phenols, and Ethers.
- Chapter 11: Aldehydes, Ketones, and Carboxylic Acids.
- Chapter 12: Amines.
- Chapter 13: Biomolecules.
- Chapter 14: Polymers.
- Chapter 15: Chemistry in Everyday Life.