AIPMT MAINS2010Chemistry-Electrochemistry
AIPMT MAINS 2010 Chemistry Conductance MCQ Question
Type: MCQ-conceptual-Medium-Class 12
Which of the following expressions correctly represents the equivalent conductance at infinite dilution of Al₂(SO₄)₃? Given that Λ₀Al³⁺ and Λ₀SO₄²⁻ are the equivalent conductances at infinite dilution of the respective ions?
A
2Λ₀Al³⁺ + 3Λ₀SO₄²⁻
B
Λ₀Al³⁺ + Λ₀SO₄²⁻
C
(Λ₀Al³⁺ + Λ₀SO₄²⁻) × 6
D
1/3 Λ₀Al³⁺ + 1/2 Λ₀SO₄²⁻
Correct Answer
Option B
Detailed Explanation
The equivalent conductance at infinite dilution is the sum of the conductances of the ions, so Λ₀ = 2Λ₀Al³⁺ + 3Λ₀SO₄²⁻.
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