Kohlrausch’s Law and its Applications NEET Question, Kohlrausch’s Law and its Applications MCQ Question

1.

Kohlrausch's law of independent migration of ions states that:

A.

At infinite dilution, each ion makes a definite contribution to the molar conductivity of an electrolyte irrespective of the nature of the other ion

B.

All electrolytes are completely dissociated at any dilution

C.

Molar conductivity of an electrolyte is independent of temperature

D.

Conductivity of a solution always increases with concentration

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2.

The mathematical form of Kohlrausch's law for an electrolyte is:

A.

Λm° = ν₊λ°₊ × ν₋λ°₋

B.

Λm° = (λ°₊ × λ°₋) / 2

C.

Λm° = ν₊λ°₊ − ν₋λ°₋

D.

Λm° = ν₊λ°₊ + ν₋λ°₋

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3.

In the equation Λm° = ν₊λ°₊ + ν₋λ°₋, the symbol λ° represents:

A.

Equivalent conductivity at unit concentration

B.

Specific conductance at 1 M

C.

Conductivity of pure water

D.

Limiting ionic conductivity (ionic conductivity at infinite dilution)

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4.

Kohlrausch's law is strictly valid only at:

A.

Infinite dilution

B.

Standard concentration of 1 M

C.

Saturation concentration

D.

All concentrations equally

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5.

Kohlrausch's law is also called the law of:

A.

Independent migration of ions

B.

Constant proportions

C.

Equipartition of conductivity

D.

Mass action

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6.

For NaCl, the limiting molar conductivity is given by:

A.

Λm°(NaCl) = λ°(Na⁺) + λ°(Cl⁻)

B.

Λm°(NaCl) = ½[λ°(Na⁺) + λ°(Cl⁻)]

C.

Λm°(NaCl) = λ°(Na⁺) − λ°(Cl⁻)

D.

Λm°(NaCl) = λ°(Na⁺) × λ°(Cl⁻)

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Kohlrausch’s Law and its Applications NEET Questions

Kohlrausch’s Law and its Applications MCQ Questions