The hybridization of orbitals of N atom in are respectively:
1.
2.
3.
4.
A molecule having the smallest bond angle among the following is :
1. | \(\mathrm{SO}_2\) | 2. | \(\mathrm{H_2O}\) |
3. | \(\mathrm{H_2S}\) | 4. | \(\mathrm{NH}_3\) |
Molecule/Ion that is diamagnetic in nature is:
1. | \(\mathrm{H}^-_2\) | 2. | \(\mathrm{H}_2\) |
3. | \(\mathrm{H}^+_2\) | 4. | \(\mathrm{He}^+_2\) |
Which among the following does not contain a set of isoelectronic species?
1.
2.
3.
4.
A molecule or ion that has an unequal bond length is:
1. | \(\mathrm{SF}_4\) | 2. | \(\mathrm{SiF}_4\) |
3. | \(\mathrm{XeF}_4\) | 4. | \(\mathrm{BF}^-_4\) |
The correct increasing order of the polarizing power of the cationic species is:
1.
2.
3.
4.
The specie with the shortest bond length is:
1. | \(O^+_2\) | 2. | \(O^-_2\) |
3. | \(O^{2-}_2\) | 4. | \(O^{2+}_2\) |
Among the following, the maximum covalent character is shown by which compound:
1.
2.
3.
4.
From the following pairs, the two species that are not isostructural are :
1. | \(\mathrm{PF}_5~\mathrm{and}~\mathrm{BrF}_5\) | 2. | \(\mathrm{PCl}^+_4~\mathrm{and}~\mathrm{SiCl}_4\) |
3. | \(\mathrm{CO}_{3}^{2-} \ \mathrm{and} \ \mathrm{NO}_{3}^-\) | 4. | \(\mathrm{AIF}^{3-}_6~\mathrm{and}~\mathrm{SF}_6\) |
Assuming that Hund's rule is violated, the bond order and magnetic nature of the diatomic molecule is:
1. | 1 and diamagnetic | 2. | 0 and diamagnetic |
3. | 1 and paramagnetic | 4. | 0 and paramagnetic |