STANDARDChemistry-Electrochemistry

STANDARD Chemistry Solubility and Conductance MCQ Question

Type: MCQ-numerical-Hard-Class 12

The specific conductance of a saturated solution of AgCl at 25°C is 1.821 × 10⁻⁵ mho cm⁻¹. What is the solubility of AgCl in water (in g L⁻¹), if limiting molar conductivity of AgCl is 130.26 mho cm² mol⁻¹?

A

1.89 × 10⁻³ g L⁻¹

B

2.78 × 10⁻² g L⁻¹

C

2.004 × 10⁻² g L⁻¹

D

1.43 × 10⁻³ g L⁻¹

Correct Answer

Option C

Detailed Explanation

Solubility is calculated using the formula S = κ / Λₘ. Substituting the given values, S = 1.821 × 10⁻⁵ / 130.26 × 10⁻⁴ = 2.004 × 10⁻² g L⁻¹.

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