The species doesn't have unpaired electrons is:
1. | \(N^+_2\) | 2. | \(O_2\) |
3. | \(O^{2-}_2\) | 4. | \(B_2\) |
In which of the following molecule/ion all the bonds are not equal?
1.
2.
3.
4.
Hydrogen bond will be strongest in :
1. HCl
2. H2O
3. HI
4. H2S
If the electronic configuration of an element is , the four electrons that participate in the chemical bond formation will be from :
1.
2.
3.
4.
The correct bond angle for \(\mathrm{sp}^2\) hybridization is:
1. | \(90^\circ\) | 2. | \(120^\circ\) |
3. | \(180^\circ\) | 4. | \(109^\circ\) |
The electronic configurations of the elements A, B, and C are given below.
The stable form of A may be represented by the formula:
1. | A | 2. | A2 |
3. | A3 | 4. | A4 |
The electronic configurations of the elements A, B, and C are given below.
The stable form of C may be represented by the formula :
1. | C | 2. | C2 |
3. | C3 | 4. | C4 |
The electronic configurations of three elements, A, B, and C are given below.
A 1s2 2s2 2p6
B 1s2 2s2 2p6 3s2 3p3
C 1s2 2s2 2p6 3s2 3p5
The molecular formula of the compound formed from B and C will be
1.
2.
3.
4.
The electronic configurations of the elements A, B, and C are given below.
The bond between B and C will be :
1. | Ionic. | 2. | Covalent. |
3. | Hydrogen. | 4. | Coordinate. |
Among the following, the correct order of energies of molecular orbitals of N2 is-
1.
2.
3.
4.