Dinitrogen Trioxide

Q. Which of the following compounds cannot be oxidised by $KMn{O}_4$?

1. 
2. 
3. 
4. 

Q. Which of the following is incorrect regarding white phosphorus?

1. Six $P-P$ single bonds
2. Four $P-P$ single bonds
3. Four lone pairs of electrons
4. $P-P-P$ angle of ${60}^{\circ }$

Q. Which of the following statement(s) is/are correct regarding dinitrogen pentoxide?

1. It is basic in nature
2. It is also known as the anhydride of nitric acid
3. It is a colourless deliquescent solid
4. The oxidation state of nitrogen is $+5$

Q. (a) Based on the nature of intermolecular forces, classify the following solids:
Sodium sulphate, Hydrogen
(b) What happens when $CdC{l}_2$ is doped with AgCl?
(c) Why do ferrimagneic substances show better magnetism than antiferromagnetic substances?

Q. What happens when an atom of oxygen is subjected to external magnetic field?

1. It is weakly attracted and loses magnetism on removal of field
2. It is weakly attracted and does not lose magnetism on removal of field
3. It is weakly repelled and domains align themselves in the direction of field
4. It is not attracted

Q. In sodium fusion test of organic compounds, the nitrogen of the organic compound is converted into

1. sodium nitrite
2. sodium cyanide
3. sodamide
4. sodium nitrate

Q. Dinitrogen trioxide $\left(N_2{O}_3\right)$ is obtained by reduction of nitric acid by Arsenic oxide – True or False?

1. True
2. False

Q. In the structure of $Cl{F}_3$, the number of lone pairs of electrons on central atom $Cl$ is:

1. One
2. Two
3. Four
4. Three

Q. Which of the following species has the maximum number of lone pair of electrons on the central atom?

1. ${Cl{O}_3}^{-}$
2. $S{F}_4$
3. $Xe{F}_4$
4. ${I_3}^{-}$

Q. Which of the following functional group shows $+R$ effect?

1. $-CHO$
2. $-N{O}_2$
3. $-CN$
4. $-N{R}_2$

Q. (a) What type of semiconductor is obtained when silicon is doped with boron?
(b) What type of magnetism is shown in the following alignment of magnetic moments?
(c) What type of point defect is produced when $AgCl$ is doped with $CdC{l}_2$?

Q. The oxyacid of sulphur that contains a lone pair of electrons on sulphur is:

1. peroxodisulphuric acid
2. pyrosulphuric acid
3. sulphurous acid
4. sulphuric acid

Q. The number of lone pairs of electrons on $Xe$ in $Xe{F}_2,Xe{F}_4$, and $Xe{F}_6$, respectively are:

1. 2, 3, 1
2. 4, 3, 2
3. 3, 2, 0
4. 3, 2, 1

Q. The total number of lone pairs of electrons in $N_2{O}_3$ is

Q. Which one of the following is a true peroxide?

1. $Mn{O}_2$
2. $Pb{O}_2$
3. $H_2{O}_2$
4. $C{O}_2$

Q. What is the relation between number of electrons present in the last ${}^{\prime }{s}^{\prime }$ subshell and their group number ?

Q. Dinitrogen trioxide $\left(N_2{O}_3\right)$ is obtained by reduction of nitric acid by Arsenic oxide – True or False?

1. True
2. False

Q. NO is paramagnetic in nature.
If true 1 else 0.

1. 1

Q. Liquid oxygen and liquid nitrogen are allowed to flow between the poles of an electromagnet.
Choose the correct observation:

1. Both will be attracted, but to the same poles
2. Liquid $O_2$ will be attracted, but liquid $N_2$ will be unaffected
3. Both will be attracted, but to the opposite poles
4. Liquid $O_2$ will be attracted, but liquid $N_2$ will be repelled

Q. Dinitrogen trioxide $\left(N_2{O}_3\right)$ is obtained by reduction of nitric acid by Arsenic oxide – True or False?

1. True
2. False

Q. The total number of lone pairs of electrons in $N_2{O}_3$ is

Q. Dinitrogen trioxide $\left(N_2{O}_3\right)$ is obtained by reduction of nitric acid by Arsenic oxide – True or False?

1. True
2. False

Q. The figure of an incomplete periodic table is given below.
Which of these elements have $3$ electrons in their outermost $p$ subshell?