Question

List the four factors that affect the degreeof dissociation of an electrolyte

Answer 1

Water is the most powerful ionising solvent as its dielectric constant is highest. (iv) Degree of ionisation of an electrolyte in solution increases with rise in temperature. (v) Presence of common ion: The degree of ionisation of an electrolyte decreases in the presence of a strong electrolyte having a common ion.

Answer 2

Explanation:

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(i) At normal dilution, value of  is nearly 1 for strong electrolytes, while it is very less than 1 for weak electrolytes.

(ii) Higher the dielectric constant of a solvent more is its ionising power. Water is the most powerful ionising solvent as its dielectric constant is highest.

(iii)Dilution of solution directly proportional to   Amount of solvent

(iv) Degree of ionisation of an electrolyte in solution increases with rise in temperature.

(v) Presence of common ion: 

The degree of ionisation of an electrolyte decreases in the presence of a strong electrolyte having a common ion.

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