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Saturday, 31 October

JEE Main 2022 · ChemistryMultiple choiceSingle correctEasyRecall

JEE Main 27 June 2022, Shift 1, Chemistry Q67

Question 67 of 90 in this shift, Chemistry question 7 of 30, Section A.

Addition of H2SO4\mathrm{H_2SO_4} to BaO2\mathrm{BaO_2} produces :
  1. (1)BaO, SO2\mathrm{SO_2} and H2O\mathrm{H_2O}
  2. (2)BaHSO4\mathrm{BaHSO_4} and O2\mathrm{O_2}
  3. (3)BaSO4\mathrm{BaSO_4}, H2\mathrm{H_2} and O2\mathrm{O_2}
  4. (4)BaSO4\mathrm{BaSO_4} and H2O2\mathrm{H_2O_2}Official answer

Official answer

Option 4

NTA final key.

Chapter
Hydrogen

Same idea in other shifts

Asked 2× in all
  1. 27 Aug 2021, Shift 2 · Q34The oxide that gives H2O2\mathrm{H_2O_2} most readily on treatment with H2O\mathrm{H_2O} is :MediumSingle correct

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 108 of the 174 JEE Main shifts held from 2017 to 2026.