JEE Advance - Chemistry (2022 - Paper 1 Online - No. 12)
The treatment of galena with $\mathrm{HNO}_{3}$ produces a gas that is
paramagnetic
bent in geometry
an acidic oxide
colorless
Explanation
$$\mathrm{PbS+dil.\,HNO_3\to Pb(NO_3)_2+S+NO+H_2O}$$
NO is paramagnetic due to the presence of unpaired electron. It is a neutral oxide. It is colourless.
Hence, (A) and (D) are correct statements.
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