# On heating, lead (II) nitrate gives a brown gas (A).

Question:

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 :

1.  $+5$

2. $+2$

3. $+3$

4.  $+4$

Correct Option: , 3

Solution: