Lead Dioxide and Lead Tetraoxide

Q.

Which of the following is the correct statement for red lead

1. It is an active form of lead

2. Its molecular formula is $P{b}_2{O}_3$

3. It decomposes into Pb and $C{O}_2$

4. It decomposes into PbO and $O_2$

Q. When $Pb{O}_2$ reacts with conc $HN{O}_3$, the gas evolved is:

1. NO₂

2. O₂

3. N₂

4. N₂O

Q. When $Pb{O}_2$ reacts with conc $HN{O}_3$, the gas evolved is:

1. $N{O}_2$
2. $O_2$
3. $N_2$
4. $N_{2}O$