Q27 / 160 · TS EAMCET 2022 (19 Jul Shift 1) · Chemistry

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

A
$\mathrm{NO}_2$
Correct answer
B
$\mathrm{NO}$
C
$\mathrm{N}_2 \mathrm{O}$
D
$\mathrm{N}_2 \mathrm{O}_3$

Hence, the correct answer is option: 'B'.

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