Oxoacids of Nitrogen

Q. Mark the neutral oxide among the following.

1. $N_2{O}_3$
2. $N_{2}O$
3. $CO$
4. $C{O}_2$

Q. Which of the following names are correct for the given oxyacids?

1. $HN{O}_3$ - Nitrous acid
2. $HN{O}_2$ - Nitrous acid
3. $HNO$ - Polynitryl acid
4. $HN{O}_3$ - Nitric acid

Q. $N_2{O}_5$ has a symmetrical structure in gaseous state.

1. True
2. False

Q. Which of the following names are correct for the given oxyacids?

1. $HN{O}_3$ - Nitrous acid
2. $HN{O}_2$ - Nitrous acid
3. $HNO$ - Polynitryl acid
4. $HN{O}_3$ - Nitric acid

Q. Select the correct statement

1. Ostwald's method of preparation of $HN{O}_3$ is based upon catalytic oxidation of $N{H}_3$ by atmospheric oxygen
2. $HN{O}_2$ acts as both oxidising and reducing agents
3. $N{O}_2$ reacts with $O_3$to form $N_2{O}_5$
4. All of these