Which of the following statements is wrong?

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(B) Specific conductance (conductivity,$\kappa$) is defined as the conductance of $1 \, cm^3$ of an electrolyte solution. This is a correct statement.

Vedclass · Accepted Answer

Specific conductance increases while equivalent conductance decreases on increasing dilution.

Vedclass · Answer

(B) Specific conductance (conductivity,$\kappa$) is defined as the conductance of $1 \, cm^3$ of an electrolyte solution. This is a correct statement.On increasing dilution,the number of ions per unit volume decreases,so specific conductance $(\kappa)$ decreases. However,equivalent conductance $(\wedge_{eq})$ increases because the total volume containing one equivalent of electrolyte increases. Therefore,the statement in option $B$ is wrong.For weak electrolytes,the curve of $\wedge_{eq}$ versus $\sqrt{C}$ does not become linear at low concentrations,so the limiting molar conductivity $(\wedge^0_{eq})$ cannot be obtained by extrapolation. This is a correct statement.Metallic conductivity is due to the movement of free electrons. This is a correct statement.

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