Chemistry, asked by KRITHI111, 10 months ago

what is Ostwald's dilution law???​

Answers

Answered by percy2004
4

Ostwald's dilution law

explanation:

Ostwalds dilution law relates the dissociation constant of the weak electrolyte with the degree of dissociation and the concentration of the weak electrolyte.Ostwalds dilution law states that the weak electrolyte undergoes complete ionisation at infinitely dilution only.

The Ostwald's dilution law can be verified if the values of alpha the degree of dissociation,at different dilution are known .

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Answered by Anonymous
145

Answer:

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HERE'S YOUR ANSWER......

Wilhelm Ostwald’s dilution law is a relationship proposed in 1888 between the dissociation constant Kd and the degree of dissociation α of a weak electrolyte.

Limitations Edit

The Ostwald law of dilution provides a satisfactory description of the concentration dependence of the conductivity of weak electrolytes like CH3COOH and NH4OH.The variation of molar conductivity is essentially due to the incomplete dissociation of weak electrolytes into ions.

For strong electrolytes, however, Lewis and Randall recognized that the law fails badly since the supposed equilibrium constant is actually far from constant.This is because the dissociation of strong electrolytes into ions is essentially complete below a concentration threshold value. The decrease in molar conductivity as a function of concentration is actually due to attraction between ions of opposite charge as expressed in the Debye-Hückel-Onsager equation and later revisions.

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