Kohlrausch Law of Independent migration of Ions and Its Applications
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CHXII03:ELECTROCHEMISTRY

330323 Assertion :
According to Kohlrausch's law the molar conductivity of a strong electrolyte at infinite dilution is sum of molar conductivities of its ions.
Reason :
The current carried by cation and anion is always equal.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect
AIIMS - 2007
CHXII03:ELECTROCHEMISTRY

330324 Which from the following electrolytes, molar conductivity is determined using Kohlrausch theory?

1 \(\mathrm{KCl}\)
2 \(\mathrm{Na}_{2} \mathrm{SO}_{4}\)
3 \(\mathrm{CH}_{3} \mathrm{COOH}\)
4 \(\mathrm{HCl}\)
MHTCET - 2021
CHXII03:ELECTROCHEMISTRY

330316 Molar conductivity, \({{\rm{\Lambda }}_{\rm{m}}}\) at infinite dilution of \({\rm{NaCl,}}\,\,{\rm{HCl}}\,\,{\rm{and}}\,\,{\rm{C}}{{\rm{H}}_{\rm{3}}}{\rm{COONa}}\) are \({\rm{126}}{\rm{.4,}}{\mkern 1mu} {\mkern 1mu} {\rm{425}}{\rm{.9}}\,\,{\rm{and}}\,\,{\rm{91}}{\rm{.0}}{\mkern 1mu} \,{\mkern 1mu} {\rm{S}}\,\,{\rm{c}}{{\rm{m}}^{\rm{2}}}{\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\) respectively. \({\rm{\Lambda }}_{\rm{m}}^{\rm{o}}\) for \({\rm{C}}{{\rm{H}}_{\rm{3}}}{\rm{COOH}}\) will be

1 \({\rm{425}}{\rm{.5}}\,{\rm{S}}{\mkern 1mu} {\mkern 1mu} {\rm{c}}{{\rm{m}}^{\rm{2}}}{\mkern 1mu} {\mkern 1mu} {\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\)
2 \({\rm{390}}{\rm{.5}}\,{\rm{S}}{\mkern 1mu} {\mkern 1mu} {\rm{c}}{{\rm{m}}^{\rm{2}}}{\mkern 1mu} {\mkern 1mu} {\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\)
3 \({\rm{180}}{\rm{.5}}\,{\rm{S}}{\mkern 1mu} {\mkern 1mu} {\rm{c}}{{\rm{m}}^{\rm{2}}}{\mkern 1mu} {\mkern 1mu} {\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\)
4 \({\rm{290}}{\rm{.8}}\,{\rm{S}}{\mkern 1mu} {\mkern 1mu} {\rm{c}}{{\rm{m}}^{\rm{2}}}{\mkern 1mu} {\mkern 1mu} {\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\)
CHXII03:ELECTROCHEMISTRY

330317 The ionic conductivity of \({\rm{B}}{{\rm{a}}^{{\rm{2 + }}}}\,\,{\rm{and}}\,\,{\rm{C}}{{\rm{l}}^{\rm{ - }}}\) at infinite dilution are \({\rm{127}}\,\,{\rm{and}}\,\,{\rm{76}}\,\,{\rm{oh}}{{\rm{m}}^{{\rm{ - 1}}}}{\rm{c}}{{\rm{m}}^{\rm{2}}}{\rm{e}}{{\rm{q}}^{{\rm{ - 1}}}}\) respectively. The equivalent conductivity of \({\rm{BaC}}{{\rm{l}}_{\rm{2}}}\) at infinity dilution \(\left( {{\rm{in}}\,\,{\rm{oh}}{{\rm{m}}^{{\rm{ - 1}}}}{\rm{c}}{{\rm{m}}^{\rm{2}}}{\rm{e}}{{\rm{q}}^{{\rm{ - 1}}}}} \right)\) would be:

1 203
2 279
3 101.5
4 139.5
CHXII03:ELECTROCHEMISTRY

330318 Which of the following statement(s) is/are true?

1 \({\rm{\lambda }}_{{\rm{N}}{{\rm{a}}^{\rm{ + }}}}^{\rm{^\circ }}\,\,{\rm{and}}\,\,{\rm{\lambda }}_{{\rm{C}}{{\rm{l}}^{\rm{ - }}}}^{\rm{^\circ }}\) are limiting molar conductivity of sodium and chloride ions respectively.
2 \({\rm{\Lambda }}_{{\rm{m}}\left( {{\rm{NaCl}}} \right)}^{\rm{^\circ }}{\rm{ = \lambda }}_{{\rm{N}}{{\rm{a}}^{\rm{ + }}}}^{\rm{^\circ }}{\rm{ + \lambda }}_{{\rm{C}}{{\rm{l}}^{\rm{ - }}}}^{\rm{^\circ }}\)
3 \({\rm{\Lambda }}_{\rm{m}}^{\rm{^\circ }}{\rm{ = }}{{\rm{v}}_{\rm{ + }}}{\mkern 1mu} {\mkern 1mu} {\rm{\lambda }}_{\rm{ + }}^{\rm{^\circ }}{\rm{ + v\_\lambda ^\circ \_}}\)
4 All of the above
NEET DIGITAL LIBRARY
CHXII03:ELECTROCHEMISTRY

330323 Assertion :
According to Kohlrausch's law the molar conductivity of a strong electrolyte at infinite dilution is sum of molar conductivities of its ions.
Reason :
The current carried by cation and anion is always equal.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect
AIIMS - 2007
CHXII03:ELECTROCHEMISTRY

330324 Which from the following electrolytes, molar conductivity is determined using Kohlrausch theory?

1 \(\mathrm{KCl}\)
2 \(\mathrm{Na}_{2} \mathrm{SO}_{4}\)
3 \(\mathrm{CH}_{3} \mathrm{COOH}\)
4 \(\mathrm{HCl}\)
MHTCET - 2021
CHXII03:ELECTROCHEMISTRY

330316 Molar conductivity, \({{\rm{\Lambda }}_{\rm{m}}}\) at infinite dilution of \({\rm{NaCl,}}\,\,{\rm{HCl}}\,\,{\rm{and}}\,\,{\rm{C}}{{\rm{H}}_{\rm{3}}}{\rm{COONa}}\) are \({\rm{126}}{\rm{.4,}}{\mkern 1mu} {\mkern 1mu} {\rm{425}}{\rm{.9}}\,\,{\rm{and}}\,\,{\rm{91}}{\rm{.0}}{\mkern 1mu} \,{\mkern 1mu} {\rm{S}}\,\,{\rm{c}}{{\rm{m}}^{\rm{2}}}{\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\) respectively. \({\rm{\Lambda }}_{\rm{m}}^{\rm{o}}\) for \({\rm{C}}{{\rm{H}}_{\rm{3}}}{\rm{COOH}}\) will be

1 \({\rm{425}}{\rm{.5}}\,{\rm{S}}{\mkern 1mu} {\mkern 1mu} {\rm{c}}{{\rm{m}}^{\rm{2}}}{\mkern 1mu} {\mkern 1mu} {\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\)
2 \({\rm{390}}{\rm{.5}}\,{\rm{S}}{\mkern 1mu} {\mkern 1mu} {\rm{c}}{{\rm{m}}^{\rm{2}}}{\mkern 1mu} {\mkern 1mu} {\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\)
3 \({\rm{180}}{\rm{.5}}\,{\rm{S}}{\mkern 1mu} {\mkern 1mu} {\rm{c}}{{\rm{m}}^{\rm{2}}}{\mkern 1mu} {\mkern 1mu} {\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\)
4 \({\rm{290}}{\rm{.8}}\,{\rm{S}}{\mkern 1mu} {\mkern 1mu} {\rm{c}}{{\rm{m}}^{\rm{2}}}{\mkern 1mu} {\mkern 1mu} {\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\)
CHXII03:ELECTROCHEMISTRY

330317 The ionic conductivity of \({\rm{B}}{{\rm{a}}^{{\rm{2 + }}}}\,\,{\rm{and}}\,\,{\rm{C}}{{\rm{l}}^{\rm{ - }}}\) at infinite dilution are \({\rm{127}}\,\,{\rm{and}}\,\,{\rm{76}}\,\,{\rm{oh}}{{\rm{m}}^{{\rm{ - 1}}}}{\rm{c}}{{\rm{m}}^{\rm{2}}}{\rm{e}}{{\rm{q}}^{{\rm{ - 1}}}}\) respectively. The equivalent conductivity of \({\rm{BaC}}{{\rm{l}}_{\rm{2}}}\) at infinity dilution \(\left( {{\rm{in}}\,\,{\rm{oh}}{{\rm{m}}^{{\rm{ - 1}}}}{\rm{c}}{{\rm{m}}^{\rm{2}}}{\rm{e}}{{\rm{q}}^{{\rm{ - 1}}}}} \right)\) would be:

1 203
2 279
3 101.5
4 139.5
CHXII03:ELECTROCHEMISTRY

330318 Which of the following statement(s) is/are true?

1 \({\rm{\lambda }}_{{\rm{N}}{{\rm{a}}^{\rm{ + }}}}^{\rm{^\circ }}\,\,{\rm{and}}\,\,{\rm{\lambda }}_{{\rm{C}}{{\rm{l}}^{\rm{ - }}}}^{\rm{^\circ }}\) are limiting molar conductivity of sodium and chloride ions respectively.
2 \({\rm{\Lambda }}_{{\rm{m}}\left( {{\rm{NaCl}}} \right)}^{\rm{^\circ }}{\rm{ = \lambda }}_{{\rm{N}}{{\rm{a}}^{\rm{ + }}}}^{\rm{^\circ }}{\rm{ + \lambda }}_{{\rm{C}}{{\rm{l}}^{\rm{ - }}}}^{\rm{^\circ }}\)
3 \({\rm{\Lambda }}_{\rm{m}}^{\rm{^\circ }}{\rm{ = }}{{\rm{v}}_{\rm{ + }}}{\mkern 1mu} {\mkern 1mu} {\rm{\lambda }}_{\rm{ + }}^{\rm{^\circ }}{\rm{ + v\_\lambda ^\circ \_}}\)
4 All of the above
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CHXII03:ELECTROCHEMISTRY

330323 Assertion :
According to Kohlrausch's law the molar conductivity of a strong electrolyte at infinite dilution is sum of molar conductivities of its ions.
Reason :
The current carried by cation and anion is always equal.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect
AIIMS - 2007
CHXII03:ELECTROCHEMISTRY

330324 Which from the following electrolytes, molar conductivity is determined using Kohlrausch theory?

1 \(\mathrm{KCl}\)
2 \(\mathrm{Na}_{2} \mathrm{SO}_{4}\)
3 \(\mathrm{CH}_{3} \mathrm{COOH}\)
4 \(\mathrm{HCl}\)
MHTCET - 2021
CHXII03:ELECTROCHEMISTRY

330316 Molar conductivity, \({{\rm{\Lambda }}_{\rm{m}}}\) at infinite dilution of \({\rm{NaCl,}}\,\,{\rm{HCl}}\,\,{\rm{and}}\,\,{\rm{C}}{{\rm{H}}_{\rm{3}}}{\rm{COONa}}\) are \({\rm{126}}{\rm{.4,}}{\mkern 1mu} {\mkern 1mu} {\rm{425}}{\rm{.9}}\,\,{\rm{and}}\,\,{\rm{91}}{\rm{.0}}{\mkern 1mu} \,{\mkern 1mu} {\rm{S}}\,\,{\rm{c}}{{\rm{m}}^{\rm{2}}}{\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\) respectively. \({\rm{\Lambda }}_{\rm{m}}^{\rm{o}}\) for \({\rm{C}}{{\rm{H}}_{\rm{3}}}{\rm{COOH}}\) will be

1 \({\rm{425}}{\rm{.5}}\,{\rm{S}}{\mkern 1mu} {\mkern 1mu} {\rm{c}}{{\rm{m}}^{\rm{2}}}{\mkern 1mu} {\mkern 1mu} {\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\)
2 \({\rm{390}}{\rm{.5}}\,{\rm{S}}{\mkern 1mu} {\mkern 1mu} {\rm{c}}{{\rm{m}}^{\rm{2}}}{\mkern 1mu} {\mkern 1mu} {\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\)
3 \({\rm{180}}{\rm{.5}}\,{\rm{S}}{\mkern 1mu} {\mkern 1mu} {\rm{c}}{{\rm{m}}^{\rm{2}}}{\mkern 1mu} {\mkern 1mu} {\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\)
4 \({\rm{290}}{\rm{.8}}\,{\rm{S}}{\mkern 1mu} {\mkern 1mu} {\rm{c}}{{\rm{m}}^{\rm{2}}}{\mkern 1mu} {\mkern 1mu} {\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\)
CHXII03:ELECTROCHEMISTRY

330317 The ionic conductivity of \({\rm{B}}{{\rm{a}}^{{\rm{2 + }}}}\,\,{\rm{and}}\,\,{\rm{C}}{{\rm{l}}^{\rm{ - }}}\) at infinite dilution are \({\rm{127}}\,\,{\rm{and}}\,\,{\rm{76}}\,\,{\rm{oh}}{{\rm{m}}^{{\rm{ - 1}}}}{\rm{c}}{{\rm{m}}^{\rm{2}}}{\rm{e}}{{\rm{q}}^{{\rm{ - 1}}}}\) respectively. The equivalent conductivity of \({\rm{BaC}}{{\rm{l}}_{\rm{2}}}\) at infinity dilution \(\left( {{\rm{in}}\,\,{\rm{oh}}{{\rm{m}}^{{\rm{ - 1}}}}{\rm{c}}{{\rm{m}}^{\rm{2}}}{\rm{e}}{{\rm{q}}^{{\rm{ - 1}}}}} \right)\) would be:

1 203
2 279
3 101.5
4 139.5
CHXII03:ELECTROCHEMISTRY

330318 Which of the following statement(s) is/are true?

1 \({\rm{\lambda }}_{{\rm{N}}{{\rm{a}}^{\rm{ + }}}}^{\rm{^\circ }}\,\,{\rm{and}}\,\,{\rm{\lambda }}_{{\rm{C}}{{\rm{l}}^{\rm{ - }}}}^{\rm{^\circ }}\) are limiting molar conductivity of sodium and chloride ions respectively.
2 \({\rm{\Lambda }}_{{\rm{m}}\left( {{\rm{NaCl}}} \right)}^{\rm{^\circ }}{\rm{ = \lambda }}_{{\rm{N}}{{\rm{a}}^{\rm{ + }}}}^{\rm{^\circ }}{\rm{ + \lambda }}_{{\rm{C}}{{\rm{l}}^{\rm{ - }}}}^{\rm{^\circ }}\)
3 \({\rm{\Lambda }}_{\rm{m}}^{\rm{^\circ }}{\rm{ = }}{{\rm{v}}_{\rm{ + }}}{\mkern 1mu} {\mkern 1mu} {\rm{\lambda }}_{\rm{ + }}^{\rm{^\circ }}{\rm{ + v\_\lambda ^\circ \_}}\)
4 All of the above
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CHXII03:ELECTROCHEMISTRY

330323 Assertion :
According to Kohlrausch's law the molar conductivity of a strong electrolyte at infinite dilution is sum of molar conductivities of its ions.
Reason :
The current carried by cation and anion is always equal.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect
AIIMS - 2007
CHXII03:ELECTROCHEMISTRY

330324 Which from the following electrolytes, molar conductivity is determined using Kohlrausch theory?

1 \(\mathrm{KCl}\)
2 \(\mathrm{Na}_{2} \mathrm{SO}_{4}\)
3 \(\mathrm{CH}_{3} \mathrm{COOH}\)
4 \(\mathrm{HCl}\)
MHTCET - 2021
CHXII03:ELECTROCHEMISTRY

330316 Molar conductivity, \({{\rm{\Lambda }}_{\rm{m}}}\) at infinite dilution of \({\rm{NaCl,}}\,\,{\rm{HCl}}\,\,{\rm{and}}\,\,{\rm{C}}{{\rm{H}}_{\rm{3}}}{\rm{COONa}}\) are \({\rm{126}}{\rm{.4,}}{\mkern 1mu} {\mkern 1mu} {\rm{425}}{\rm{.9}}\,\,{\rm{and}}\,\,{\rm{91}}{\rm{.0}}{\mkern 1mu} \,{\mkern 1mu} {\rm{S}}\,\,{\rm{c}}{{\rm{m}}^{\rm{2}}}{\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\) respectively. \({\rm{\Lambda }}_{\rm{m}}^{\rm{o}}\) for \({\rm{C}}{{\rm{H}}_{\rm{3}}}{\rm{COOH}}\) will be

1 \({\rm{425}}{\rm{.5}}\,{\rm{S}}{\mkern 1mu} {\mkern 1mu} {\rm{c}}{{\rm{m}}^{\rm{2}}}{\mkern 1mu} {\mkern 1mu} {\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\)
2 \({\rm{390}}{\rm{.5}}\,{\rm{S}}{\mkern 1mu} {\mkern 1mu} {\rm{c}}{{\rm{m}}^{\rm{2}}}{\mkern 1mu} {\mkern 1mu} {\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\)
3 \({\rm{180}}{\rm{.5}}\,{\rm{S}}{\mkern 1mu} {\mkern 1mu} {\rm{c}}{{\rm{m}}^{\rm{2}}}{\mkern 1mu} {\mkern 1mu} {\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\)
4 \({\rm{290}}{\rm{.8}}\,{\rm{S}}{\mkern 1mu} {\mkern 1mu} {\rm{c}}{{\rm{m}}^{\rm{2}}}{\mkern 1mu} {\mkern 1mu} {\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\)
CHXII03:ELECTROCHEMISTRY

330317 The ionic conductivity of \({\rm{B}}{{\rm{a}}^{{\rm{2 + }}}}\,\,{\rm{and}}\,\,{\rm{C}}{{\rm{l}}^{\rm{ - }}}\) at infinite dilution are \({\rm{127}}\,\,{\rm{and}}\,\,{\rm{76}}\,\,{\rm{oh}}{{\rm{m}}^{{\rm{ - 1}}}}{\rm{c}}{{\rm{m}}^{\rm{2}}}{\rm{e}}{{\rm{q}}^{{\rm{ - 1}}}}\) respectively. The equivalent conductivity of \({\rm{BaC}}{{\rm{l}}_{\rm{2}}}\) at infinity dilution \(\left( {{\rm{in}}\,\,{\rm{oh}}{{\rm{m}}^{{\rm{ - 1}}}}{\rm{c}}{{\rm{m}}^{\rm{2}}}{\rm{e}}{{\rm{q}}^{{\rm{ - 1}}}}} \right)\) would be:

1 203
2 279
3 101.5
4 139.5
CHXII03:ELECTROCHEMISTRY

330318 Which of the following statement(s) is/are true?

1 \({\rm{\lambda }}_{{\rm{N}}{{\rm{a}}^{\rm{ + }}}}^{\rm{^\circ }}\,\,{\rm{and}}\,\,{\rm{\lambda }}_{{\rm{C}}{{\rm{l}}^{\rm{ - }}}}^{\rm{^\circ }}\) are limiting molar conductivity of sodium and chloride ions respectively.
2 \({\rm{\Lambda }}_{{\rm{m}}\left( {{\rm{NaCl}}} \right)}^{\rm{^\circ }}{\rm{ = \lambda }}_{{\rm{N}}{{\rm{a}}^{\rm{ + }}}}^{\rm{^\circ }}{\rm{ + \lambda }}_{{\rm{C}}{{\rm{l}}^{\rm{ - }}}}^{\rm{^\circ }}\)
3 \({\rm{\Lambda }}_{\rm{m}}^{\rm{^\circ }}{\rm{ = }}{{\rm{v}}_{\rm{ + }}}{\mkern 1mu} {\mkern 1mu} {\rm{\lambda }}_{\rm{ + }}^{\rm{^\circ }}{\rm{ + v\_\lambda ^\circ \_}}\)
4 All of the above
NEET DIGITAL LIBRARY
CHXII03:ELECTROCHEMISTRY

330323 Assertion :
According to Kohlrausch's law the molar conductivity of a strong electrolyte at infinite dilution is sum of molar conductivities of its ions.
Reason :
The current carried by cation and anion is always equal.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect
AIIMS - 2007
CHXII03:ELECTROCHEMISTRY

330324 Which from the following electrolytes, molar conductivity is determined using Kohlrausch theory?

1 \(\mathrm{KCl}\)
2 \(\mathrm{Na}_{2} \mathrm{SO}_{4}\)
3 \(\mathrm{CH}_{3} \mathrm{COOH}\)
4 \(\mathrm{HCl}\)
MHTCET - 2021
CHXII03:ELECTROCHEMISTRY

330316 Molar conductivity, \({{\rm{\Lambda }}_{\rm{m}}}\) at infinite dilution of \({\rm{NaCl,}}\,\,{\rm{HCl}}\,\,{\rm{and}}\,\,{\rm{C}}{{\rm{H}}_{\rm{3}}}{\rm{COONa}}\) are \({\rm{126}}{\rm{.4,}}{\mkern 1mu} {\mkern 1mu} {\rm{425}}{\rm{.9}}\,\,{\rm{and}}\,\,{\rm{91}}{\rm{.0}}{\mkern 1mu} \,{\mkern 1mu} {\rm{S}}\,\,{\rm{c}}{{\rm{m}}^{\rm{2}}}{\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\) respectively. \({\rm{\Lambda }}_{\rm{m}}^{\rm{o}}\) for \({\rm{C}}{{\rm{H}}_{\rm{3}}}{\rm{COOH}}\) will be

1 \({\rm{425}}{\rm{.5}}\,{\rm{S}}{\mkern 1mu} {\mkern 1mu} {\rm{c}}{{\rm{m}}^{\rm{2}}}{\mkern 1mu} {\mkern 1mu} {\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\)
2 \({\rm{390}}{\rm{.5}}\,{\rm{S}}{\mkern 1mu} {\mkern 1mu} {\rm{c}}{{\rm{m}}^{\rm{2}}}{\mkern 1mu} {\mkern 1mu} {\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\)
3 \({\rm{180}}{\rm{.5}}\,{\rm{S}}{\mkern 1mu} {\mkern 1mu} {\rm{c}}{{\rm{m}}^{\rm{2}}}{\mkern 1mu} {\mkern 1mu} {\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\)
4 \({\rm{290}}{\rm{.8}}\,{\rm{S}}{\mkern 1mu} {\mkern 1mu} {\rm{c}}{{\rm{m}}^{\rm{2}}}{\mkern 1mu} {\mkern 1mu} {\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\)
CHXII03:ELECTROCHEMISTRY

330317 The ionic conductivity of \({\rm{B}}{{\rm{a}}^{{\rm{2 + }}}}\,\,{\rm{and}}\,\,{\rm{C}}{{\rm{l}}^{\rm{ - }}}\) at infinite dilution are \({\rm{127}}\,\,{\rm{and}}\,\,{\rm{76}}\,\,{\rm{oh}}{{\rm{m}}^{{\rm{ - 1}}}}{\rm{c}}{{\rm{m}}^{\rm{2}}}{\rm{e}}{{\rm{q}}^{{\rm{ - 1}}}}\) respectively. The equivalent conductivity of \({\rm{BaC}}{{\rm{l}}_{\rm{2}}}\) at infinity dilution \(\left( {{\rm{in}}\,\,{\rm{oh}}{{\rm{m}}^{{\rm{ - 1}}}}{\rm{c}}{{\rm{m}}^{\rm{2}}}{\rm{e}}{{\rm{q}}^{{\rm{ - 1}}}}} \right)\) would be:

1 203
2 279
3 101.5
4 139.5
CHXII03:ELECTROCHEMISTRY

330318 Which of the following statement(s) is/are true?

1 \({\rm{\lambda }}_{{\rm{N}}{{\rm{a}}^{\rm{ + }}}}^{\rm{^\circ }}\,\,{\rm{and}}\,\,{\rm{\lambda }}_{{\rm{C}}{{\rm{l}}^{\rm{ - }}}}^{\rm{^\circ }}\) are limiting molar conductivity of sodium and chloride ions respectively.
2 \({\rm{\Lambda }}_{{\rm{m}}\left( {{\rm{NaCl}}} \right)}^{\rm{^\circ }}{\rm{ = \lambda }}_{{\rm{N}}{{\rm{a}}^{\rm{ + }}}}^{\rm{^\circ }}{\rm{ + \lambda }}_{{\rm{C}}{{\rm{l}}^{\rm{ - }}}}^{\rm{^\circ }}\)
3 \({\rm{\Lambda }}_{\rm{m}}^{\rm{^\circ }}{\rm{ = }}{{\rm{v}}_{\rm{ + }}}{\mkern 1mu} {\mkern 1mu} {\rm{\lambda }}_{\rm{ + }}^{\rm{^\circ }}{\rm{ + v\_\lambda ^\circ \_}}\)
4 All of the above