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Question

Limiting molar conductivity of NH₄OH (i.e., Λ^o_m(NH₄OH)) is equal to

Options

A.Λ^o_m(NH₄Cl) + Λ^o_m(NaCl) - Λ^o_m(NaOH)

B.Λ^o_m(NaOH) + Λ^o_m(NaCl) - Λ^o_m(NH₄Cl)

C.Λ^o_m(NH₄OH) + Λ^o_m(NH₄Cl) - Λ^o_m(HCl)

D.Λ^o_m(NH₄Cl) + Λ^o_m(NaOH) - Λ^o_m(NaCl)

Solution

According to KOhlrausch′s law, limiting molar conductivity of NH₄OH
Λ^o_m(NH₄OH) = Λ^o_m(NH₄Cl) + Λ^o_m(NaOH) - Λ^o_m(NaCl)

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