Factors Affecting Degree of Ionisation

Factors affecting Degree of Ionisation

(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.


 Dilution of solution  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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