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JEE Main Chemistry question

ChemistryElectrochemistryJEE Main

Limiting molar conductivity of , i.e. , is equal to

Answer: (B)

Solution

By Kohlrausch's law: Missing superscript or subscript argumentΛ^\circ_mMissing close brace(\mathrm{NH_4OHExtra close brace or missing open brace})=λ(\mathrm{NH_4^+Extra close brace or missing open brace})+λ(\mathrm{OH^-Extra close brace or missing open brace})=[Λ^\circ_mMissing close brace(\mathrm{NH_4ClExtra close brace or missing open brace})-λ(\mathrm{Cl^-Extra close brace or missing open brace})]+[Λ^\circ_m$(NaOH)-λ

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Question ID VK-144066