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Friday, 9 October

JEE Main 2020 · ChemistryMultiple choiceSingle correctMediumMulti-step

JEE Main 6 September 2020, Shift 2, Chemistry Q37

Question 37 of 75 in this shift, Chemistry question 12 of 25.

Reaction of an inorganic sulphite X with dilute H2SO4\mathrm{H_2SO_4} generates compound Y. Reaction of Y with NaOH gives X. Further, the reaction of X with Y and water affords compound Z. Y and Z, respectively, are :
  1. (1)S and Na2SO3\mathrm{Na_2SO_3}
  2. (2)SO2\mathrm{SO_2} and NaHSO3\mathrm{NaHSO_3}Official answer
  3. (3)SO3\mathrm{SO_3} and NaHSO3\mathrm{NaHSO_3}
  4. (4)SO2\mathrm{SO_2} and Na2SO3\mathrm{Na_2SO_3}

Official answer

Option 2

NTA final key (Sep 2020).

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.