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  4. By diluting a weak electrolyte, specific conductivity Kc and equivalent conductivity (λc) change as-

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Q. By diluting a weak electrolyte, specific conductivity $K_c$ and equivalent conductivity $\left(\lambda_c\right)$ change as-

NTA AbhyasNTA Abhyas 2022

Solution:

When the solution of a weak electrolyte is diluted, the volume of the solution and degree of dissociation of electrolyte increases, hence equivalent conductivity $\left(\lambda_{c}\right)$ increases. However, during this process, the number of current carrying particles per unit volume decreases, hence specific conductivity $\left( K _{ c }\right)$ decreases.