JEE Mains · Chemistry · STD 12 - 2. Electrochemistry
The molar conductivity of a weak electrolyte when plotted against the square root of its concentration, which of the following is expected to be observed ?
- A A small decrease in molar conductivity is observed at infinite dilution.
- B Molar conductivity decreases sharply with increase in concentration.
- C A small increase in molar conductivity is observed at infinite dilution.
- D Molar conductivity increases sharply with increase in concentration.
Answer & Solution
Correct Answer
(B) Molar conductivity decreases sharply with increase in concentration.
Step-by-step Solution
Detailed explanation
For weak electrolyte, variation of \(\wedge_m\) with \(\sqrt{\mathrm{c}}\) is
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