Chemistry · 2020
JEE Main · 4 September 2020, Shift 1 · Q35
On heating, lead(II) nitrate gives a brown gas (A). The gas (A) on cooling changes to a colourless solid/liquid (B). (B) on heating with NO changes…
On heating, lead(II) nitrate gives a brown gas (A). The gas (A) on cooling changes to a colourless solid/liquid (B). (B) on heating with NO changes to a blue solid (C). The oxidation number of nitrogen in solid (C) is :
Official answer
(2)
$\displaystyle +3$
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JEE Main 2020 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.