Hydrofluoric acid is a weak acid. At 25°C, the molar conductivity of a 0.002 M HF is 176.2 Ω⁻¹ cm² mol⁻¹. If its Λ₀ = 405.2 Ω⁻¹ cm² mol⁻¹. Equilibrium constant at the given concentration is
A
6.7 × 10⁻⁴ M
B
3.2 × 10⁻⁴ M
C
6.7 × 10⁻⁵ M
D
3.2 × 10⁻⁵ M

Question

Hydrofluoric acid is a weak acid. At 25°C, the molar conductivity of a 0.002 M HF is 176.2 Ω⁻¹ cm² mol⁻¹. If its Λ₀ = 405.2 Ω⁻¹ cm² mol⁻¹. Equilibrium constant at the given concentration is

A

6.7 × 10⁻⁴ M

B

3.2 × 10⁻⁴ M

C

6.7 × 10⁻⁵ M

D

3.2 × 10⁻⁵ M

Accepted Answer

6.7 × 10⁻⁴ M

Answer

3.2 × 10⁻⁴ M

Answer

6.7 × 10⁻⁵ M

Answer

3.2 × 10⁻⁵ M

AIIMS 2009 Chemistry Conductivity MCQ Question

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