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NEET · Chemistry · STD 12 - 2. Electrochemistry

The molar conductance of \(\mathrm{NaCl}, \mathrm{HCl}\) and \(\mathrm{CH}_{3} COONa\) at infinite dilution are \(126.45,426.16\) and \(91.0\, \mathrm{~S} \,\mathrm{~cm}^{2} \,\mathrm{~mol}^{-1}\) respectively. The molar conductance of \(\mathrm{CH}_{3} \mathrm{COOH}\) at infinite dilution is. Choose the right option for your answer. (In \(\mathrm{~S} \mathrm{~cm}^{2} \mathrm{~mol}^{-1}\))

  1. A \(201.28\)
  2. B \(390.71\)
  3. C \(698.28\)
  4. D \(540.28\)
Verified Solution

Answer & Solution

Correct Answer

(B) \(390.71\)

Step-by-step Solution

Detailed explanation

\(\mathrm{NaCl} \longrightarrow \mathrm{Na}^{+}+\mathrm{Cl}^{-}....(1)\) \(\mathrm{HCl} \longrightarrow \mathrm{H}^{+}+\mathrm{Cl}^{-}....(2)\)