Ts Eamcet
P Block Elements
TS EAMCET 2022 (Online) 19th July Morning Shift
MCQ+1 / -02022
A nitrogen oxide that forms "in situ" when dilute $\mathrm{FeSO}_4$ is treated with aqueous solution of nitrate ion and then careful addition of conc. $\mathrm{H}_2 \mathrm{SO}_4$ along the sides of test tube, is