Molar conductivities  $\left({\mathrm{\Lambda }}_{\mathrm{m}}^{\circ }\right)$ at infinite dilution of NaCl, HCI and CH₃COONa are 126.4,425.9 and 91.0 S cm²mol^-1 respectively. ${\mathrm{\Lambda }}_{\mathrm{m}}^{\circ }$ for CH₃COOH will be

• A

  $425.5 \mathrm{S} {\mathrm{cm}}^2{\mathrm{mol}}^{-1}$

• B

  $180.5 \mathrm{S} {\mathrm{cm}}^2 {\mathrm{mol}}^{-1}$

• C

  $290.85 \mathrm{S} {\mathrm{cm}}^{2 }{\mathrm{mol}}^{-1}$

• D

  $390.5 \mathrm{S} {\mathrm{cm}}^2 {\mathrm{mol}}^{-1}$