Correct order of limiting molar conductivity for cations in water at 298 K is: (A) H+ Ca2+ Mg2+ K+ Na+ (B) H+ Na4+ Ca2+ Mg2+ K+ (C) H+ Na4 K+ Ca2+ Mg2+ (D) Mg2+ H+ Ca2+ K

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Question

Correct order of limiting molar conductivity for cations in water at 298 K is:

(A) H+ > Ca2+ > Mg2+ > K+ > Na+
(B) H+ > Na4+ > Ca2+ > Mg2+ > K+
(C) H+ > Na4 > K+ > Ca2+ > Mg2+
(D) Mg2+ > H+ > Ca2+ > K+ > Na+

Prashant Kotian · Accepted Answer

Correct answer: A. Order of limiting molar conductivity  H+ < Ca2+ > Mg2+ > K+ > Na+

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