Dinitrogen Trioxide

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

Q. The coordinationno. of Cu in complex $\left[Cu\right(H_{2}O{)}_4{]}^{2+}$ is

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

Q.

Match the following

$\begin{array}{ccc}\text{1.}PC{l}_3& \text{a. 2 lone pairs}& \text{A. 5 Ligands}\\ \text{2.}Cl{F}_3& \text{b. 3 lone pairs}& \text{B. 3 Ligands}\\ \text{3.}Xe{F}_6& \text{c. 0 lone pairs}& \text{C. 6 Ligands}\\ \text{4.}SbC{l}_5& \text{d. 1 lone pairs}& \text{D. 4 Ligands}\end{array}$

1. 1 - b, C; 2 - b, B; 3 - a, A, 4 - a, A

2. 1 - d, B; 2 - a, B; 3 - d, C; 4 - c, A

3. 1 - b, B; 2 - b, C; 3 - b, B, 4 - a, A

4. 1 - c, B; 2 - a, C; 3 - a, B, 4 - a, B

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