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Friday, 9 October

JEE Main 2026 · ChemistryMultiple choiceSingle correctEasyRecall

JEE Main 6 April 2026, Shift 2, Chemistry Q70

Question 70 of 75 in this shift, Chemistry question 20 of 25, Section A.

Treatment of a gas 'X' with a freshly prepared ferrous sulphate solution gives a compound 'Y' as a brown ring. The compounds X and Y are.
  1. (1)NO and [Fe(NO)]SO4\mathrm{[Fe(NO)]SO_4}Official answer
  2. (2)NO2\mathrm{NO_2} and [Fe(NO2)]SO4\mathrm{[Fe(NO_2)]SO_4}
  3. (3)N2O\mathrm{N_2O} and [Fe(N2O)]SO4\mathrm{[Fe(N_2O)]SO_4}
  4. (4)N2O4\mathrm{N_2O_4} and [Fe(N2O4)]SO4\mathrm{[Fe(N_2O_4)]SO_4}

Official answer

Option 1

NTA final key.