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

330351 Match the column I with column II and mark the appropriate choice.
Column I
Column II
A
Kohlrausch's law
P
\({{\rm{K}}_{\rm{a}}}{\rm{ = }}\frac{{{\rm{C}}{{\rm{\alpha }}^{\rm{2}}}}}{{{\rm{1 - \alpha }}}}\)
B
Molar conductivity
Q
\({\rm{\Lambda }}_{{\rm{eq}}}^{\rm{o}}{\rm{ = \Lambda }}_{\rm{c}}^{\rm{o}}{\rm{ + \Lambda }}_{\rm{a}}^{\rm{o}}\)
C
Degree of dissociation
R
\({{\rm{\Lambda }}_{\rm{m}}}{\rm{ = }}\frac{{\rm{\kappa }}}{{\rm{C}}}\)
D
Dissociation constant
S
\({\rm{\alpha = }}\frac{{{{\rm{\Lambda }}_{\rm{m}}}}}{{{{\rm{\Lambda }}_{\rm{m}}}}}\)

1 A - R, B - S, C - P, D - Q
2 A - P, B - Q, C - R, D - S
3 A - S, B - P, C - Q, D - R
4 A - Q, B - R, C - S, D - P
CHXII03:ELECTROCHEMISTRY

330352 Assertion :
Molar conductivity of a weak electrolyte at infinite dilution cannot be determined experimentally.
Reason :
Kohlrausch law helps to find the molar conductivity of a weak electrolyte at infinite dilution.

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 Assertion is incorrect but Reason is correct.
CHXII03:ELECTROCHEMISTRY

330353 Molar ionic conductivities of divalent cation and anion are \({\mathrm{57 \,\mathrm{S\,cm}^{2} \mathrm{~mol}^{-1}}}\) and \({\mathrm{73 \,\mathrm{S\,cm}^{2} \mathrm{~mol}^{-1}}}\) respectively. The molar conductivity of solution of an electrolyte with the above cation and anion will be

1 \({\mathrm{65\, \mathrm{S\,cm}^{2} \mathrm{~mol}^{-1}}}\)
2 \({\mathrm{130 \,\mathrm{S\,cm}^{2} \mathrm{~mol}^{-1}}}\)
3 \({\mathrm{260 \,\mathrm{S\,cm}^{2} \mathrm{~mol}^{-1}}}\)
4 \({\mathrm{187 \,\mathrm{S\,cm}^{2} \mathrm{~mol}^{-1}}}\)
JEE Main - 2024
CHXII03:ELECTROCHEMISTRY

330354 The conductivity of \({\rm{0}}{\rm{.001028}}\,\,{\rm{mol}}\,{{\rm{L}}^{{\rm{ - 1}}}}\) acetic acid is \({\rm{4}}{\rm{.95 \times 1}}{{\rm{0}}^{{\rm{ - 5}}}}{\rm{S}}\,\,{\rm{c}}{{\rm{m}}^{{\rm{ - 1}}}}\). What will be the degree of dissociation of acetic acid ?
\(\left[ {{\rm{\Lambda }}_{\rm{m}}^{\rm{o}}\,\,{\rm{is}}\,\,{\rm{390}}{\rm{.5}}\,\,{\rm{S}}\,\,{\rm{c}}{{\rm{m}}^{\rm{2}}}\,\,{\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}} \right]\)

1 0.0123
2 1.23
3 0.123
4 0.23
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CHXII03:ELECTROCHEMISTRY

330351 Match the column I with column II and mark the appropriate choice.
Column I
Column II
A
Kohlrausch's law
P
\({{\rm{K}}_{\rm{a}}}{\rm{ = }}\frac{{{\rm{C}}{{\rm{\alpha }}^{\rm{2}}}}}{{{\rm{1 - \alpha }}}}\)
B
Molar conductivity
Q
\({\rm{\Lambda }}_{{\rm{eq}}}^{\rm{o}}{\rm{ = \Lambda }}_{\rm{c}}^{\rm{o}}{\rm{ + \Lambda }}_{\rm{a}}^{\rm{o}}\)
C
Degree of dissociation
R
\({{\rm{\Lambda }}_{\rm{m}}}{\rm{ = }}\frac{{\rm{\kappa }}}{{\rm{C}}}\)
D
Dissociation constant
S
\({\rm{\alpha = }}\frac{{{{\rm{\Lambda }}_{\rm{m}}}}}{{{{\rm{\Lambda }}_{\rm{m}}}}}\)

1 A - R, B - S, C - P, D - Q
2 A - P, B - Q, C - R, D - S
3 A - S, B - P, C - Q, D - R
4 A - Q, B - R, C - S, D - P
CHXII03:ELECTROCHEMISTRY

330352 Assertion :
Molar conductivity of a weak electrolyte at infinite dilution cannot be determined experimentally.
Reason :
Kohlrausch law helps to find the molar conductivity of a weak electrolyte at infinite dilution.

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 Assertion is incorrect but Reason is correct.
CHXII03:ELECTROCHEMISTRY

330353 Molar ionic conductivities of divalent cation and anion are \({\mathrm{57 \,\mathrm{S\,cm}^{2} \mathrm{~mol}^{-1}}}\) and \({\mathrm{73 \,\mathrm{S\,cm}^{2} \mathrm{~mol}^{-1}}}\) respectively. The molar conductivity of solution of an electrolyte with the above cation and anion will be

1 \({\mathrm{65\, \mathrm{S\,cm}^{2} \mathrm{~mol}^{-1}}}\)
2 \({\mathrm{130 \,\mathrm{S\,cm}^{2} \mathrm{~mol}^{-1}}}\)
3 \({\mathrm{260 \,\mathrm{S\,cm}^{2} \mathrm{~mol}^{-1}}}\)
4 \({\mathrm{187 \,\mathrm{S\,cm}^{2} \mathrm{~mol}^{-1}}}\)
JEE Main - 2024
CHXII03:ELECTROCHEMISTRY

330354 The conductivity of \({\rm{0}}{\rm{.001028}}\,\,{\rm{mol}}\,{{\rm{L}}^{{\rm{ - 1}}}}\) acetic acid is \({\rm{4}}{\rm{.95 \times 1}}{{\rm{0}}^{{\rm{ - 5}}}}{\rm{S}}\,\,{\rm{c}}{{\rm{m}}^{{\rm{ - 1}}}}\). What will be the degree of dissociation of acetic acid ?
\(\left[ {{\rm{\Lambda }}_{\rm{m}}^{\rm{o}}\,\,{\rm{is}}\,\,{\rm{390}}{\rm{.5}}\,\,{\rm{S}}\,\,{\rm{c}}{{\rm{m}}^{\rm{2}}}\,\,{\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}} \right]\)

1 0.0123
2 1.23
3 0.123
4 0.23
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CHXII03:ELECTROCHEMISTRY

330351 Match the column I with column II and mark the appropriate choice.
Column I
Column II
A
Kohlrausch's law
P
\({{\rm{K}}_{\rm{a}}}{\rm{ = }}\frac{{{\rm{C}}{{\rm{\alpha }}^{\rm{2}}}}}{{{\rm{1 - \alpha }}}}\)
B
Molar conductivity
Q
\({\rm{\Lambda }}_{{\rm{eq}}}^{\rm{o}}{\rm{ = \Lambda }}_{\rm{c}}^{\rm{o}}{\rm{ + \Lambda }}_{\rm{a}}^{\rm{o}}\)
C
Degree of dissociation
R
\({{\rm{\Lambda }}_{\rm{m}}}{\rm{ = }}\frac{{\rm{\kappa }}}{{\rm{C}}}\)
D
Dissociation constant
S
\({\rm{\alpha = }}\frac{{{{\rm{\Lambda }}_{\rm{m}}}}}{{{{\rm{\Lambda }}_{\rm{m}}}}}\)

1 A - R, B - S, C - P, D - Q
2 A - P, B - Q, C - R, D - S
3 A - S, B - P, C - Q, D - R
4 A - Q, B - R, C - S, D - P
CHXII03:ELECTROCHEMISTRY

330352 Assertion :
Molar conductivity of a weak electrolyte at infinite dilution cannot be determined experimentally.
Reason :
Kohlrausch law helps to find the molar conductivity of a weak electrolyte at infinite dilution.

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 Assertion is incorrect but Reason is correct.
CHXII03:ELECTROCHEMISTRY

330353 Molar ionic conductivities of divalent cation and anion are \({\mathrm{57 \,\mathrm{S\,cm}^{2} \mathrm{~mol}^{-1}}}\) and \({\mathrm{73 \,\mathrm{S\,cm}^{2} \mathrm{~mol}^{-1}}}\) respectively. The molar conductivity of solution of an electrolyte with the above cation and anion will be

1 \({\mathrm{65\, \mathrm{S\,cm}^{2} \mathrm{~mol}^{-1}}}\)
2 \({\mathrm{130 \,\mathrm{S\,cm}^{2} \mathrm{~mol}^{-1}}}\)
3 \({\mathrm{260 \,\mathrm{S\,cm}^{2} \mathrm{~mol}^{-1}}}\)
4 \({\mathrm{187 \,\mathrm{S\,cm}^{2} \mathrm{~mol}^{-1}}}\)
JEE Main - 2024
CHXII03:ELECTROCHEMISTRY

330354 The conductivity of \({\rm{0}}{\rm{.001028}}\,\,{\rm{mol}}\,{{\rm{L}}^{{\rm{ - 1}}}}\) acetic acid is \({\rm{4}}{\rm{.95 \times 1}}{{\rm{0}}^{{\rm{ - 5}}}}{\rm{S}}\,\,{\rm{c}}{{\rm{m}}^{{\rm{ - 1}}}}\). What will be the degree of dissociation of acetic acid ?
\(\left[ {{\rm{\Lambda }}_{\rm{m}}^{\rm{o}}\,\,{\rm{is}}\,\,{\rm{390}}{\rm{.5}}\,\,{\rm{S}}\,\,{\rm{c}}{{\rm{m}}^{\rm{2}}}\,\,{\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}} \right]\)

1 0.0123
2 1.23
3 0.123
4 0.23
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CHXII03:ELECTROCHEMISTRY

330351 Match the column I with column II and mark the appropriate choice.
Column I
Column II
A
Kohlrausch's law
P
\({{\rm{K}}_{\rm{a}}}{\rm{ = }}\frac{{{\rm{C}}{{\rm{\alpha }}^{\rm{2}}}}}{{{\rm{1 - \alpha }}}}\)
B
Molar conductivity
Q
\({\rm{\Lambda }}_{{\rm{eq}}}^{\rm{o}}{\rm{ = \Lambda }}_{\rm{c}}^{\rm{o}}{\rm{ + \Lambda }}_{\rm{a}}^{\rm{o}}\)
C
Degree of dissociation
R
\({{\rm{\Lambda }}_{\rm{m}}}{\rm{ = }}\frac{{\rm{\kappa }}}{{\rm{C}}}\)
D
Dissociation constant
S
\({\rm{\alpha = }}\frac{{{{\rm{\Lambda }}_{\rm{m}}}}}{{{{\rm{\Lambda }}_{\rm{m}}}}}\)

1 A - R, B - S, C - P, D - Q
2 A - P, B - Q, C - R, D - S
3 A - S, B - P, C - Q, D - R
4 A - Q, B - R, C - S, D - P
CHXII03:ELECTROCHEMISTRY

330352 Assertion :
Molar conductivity of a weak electrolyte at infinite dilution cannot be determined experimentally.
Reason :
Kohlrausch law helps to find the molar conductivity of a weak electrolyte at infinite dilution.

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 Assertion is incorrect but Reason is correct.
CHXII03:ELECTROCHEMISTRY

330353 Molar ionic conductivities of divalent cation and anion are \({\mathrm{57 \,\mathrm{S\,cm}^{2} \mathrm{~mol}^{-1}}}\) and \({\mathrm{73 \,\mathrm{S\,cm}^{2} \mathrm{~mol}^{-1}}}\) respectively. The molar conductivity of solution of an electrolyte with the above cation and anion will be

1 \({\mathrm{65\, \mathrm{S\,cm}^{2} \mathrm{~mol}^{-1}}}\)
2 \({\mathrm{130 \,\mathrm{S\,cm}^{2} \mathrm{~mol}^{-1}}}\)
3 \({\mathrm{260 \,\mathrm{S\,cm}^{2} \mathrm{~mol}^{-1}}}\)
4 \({\mathrm{187 \,\mathrm{S\,cm}^{2} \mathrm{~mol}^{-1}}}\)
JEE Main - 2024
CHXII03:ELECTROCHEMISTRY

330354 The conductivity of \({\rm{0}}{\rm{.001028}}\,\,{\rm{mol}}\,{{\rm{L}}^{{\rm{ - 1}}}}\) acetic acid is \({\rm{4}}{\rm{.95 \times 1}}{{\rm{0}}^{{\rm{ - 5}}}}{\rm{S}}\,\,{\rm{c}}{{\rm{m}}^{{\rm{ - 1}}}}\). What will be the degree of dissociation of acetic acid ?
\(\left[ {{\rm{\Lambda }}_{\rm{m}}^{\rm{o}}\,\,{\rm{is}}\,\,{\rm{390}}{\rm{.5}}\,\,{\rm{S}}\,\,{\rm{c}}{{\rm{m}}^{\rm{2}}}\,\,{\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}} \right]\)

1 0.0123
2 1.23
3 0.123
4 0.23
For More Updates join with Us