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Friday, 9 October

JEE Main 2025 · ChemistryMultiple choiceSingle correctMediumRecall

JEE Main 3 April 2025, Shift 1, Chemistry Q56

Question 56 of 75 in this shift, Chemistry question 6 of 25, Section A.

Correct order of limiting molar conductivity for cations in water at 298 K is :
  1. (1)Mg2+>H+>Ca2+>K+>Na+\mathrm{Mg^{2+} > H^+ > Ca^{2+} > K^+ > Na^+}
  2. (2)H+>Na+>K+>Ca2+>Mg2+\mathrm{H^+ > Na^+ > K^+ > Ca^{2+} > Mg^{2+}}
  3. (3)H+>Na+>Ca2+>Mg2+>K+\mathrm{H^+ > Na^+ > Ca^{2+} > Mg^{2+} > K^+}
  4. (4)H+>Ca2+>Mg2+>K+>Na+\mathrm{H^+ > Ca^{2+} > Mg^{2+} > K^+ > Na^+}Official answer

Official answer

Option 4

NTA final key.

Topic
No close match in our taxonomy
Idea tested
No close match in our taxonomy

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 42 of the 174 JEE Main shifts held from 2017 to 2026.