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JEE Main 2025 Chemistry question

ChemistryElectrochemistryJEE Main 2025

The molar conductance of an infinitely dilute solution of ammonium chloride was found to be 185 S cm mol and the ionic conductance of hydroxyl and chloride ions are 170 and 70 S cm mol, respectively. If molar conductance of 0.02 M solution of ammonium hydroxide is 85.5 S cm mol, its degree of dissociation is given by x × 10. The value of x is . (Nearest integer)

Answer: 3

Solution

Missing superscript or subscript argumentΛ^0(NH_4OH)Missing superscript or subscript argument = Λ^0(NH_4Cl)Missing superscript or subscript argument - λ^0(Cl^-)Missing superscript or subscript argument + λ^0(OH^-)$

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Question ID VK-003017