Question

To observe the effect of concentration on the conductivity, electrolytes of different natures are taken in two vessels A and B; A contains weak electrolyte, e.g., $N{H}_{4}OH$ and B contains strong electrolytes, e.g., NaCl. In both containers, the concentration of respective electrolyte is increased and the conductivity observed:

• A. In A conductivity increase, in B conductivity decrease
• B. In A conductivity decreases while, in B conductivity decrease
• C. In both A and B conductivity increases
• D. In both A and B conductivity decreases

Answer 1

The correct option is C In both A and B conductivity increases

For strong and weak electrolytes, increasing concentration will increase conductance (G), decrease molar conductance $({\Lambda }_m$ and equivalent conductance $({\Lambda }_{c}q$ and increase conductivity (k).