Advertisements
Advertisements
प्रश्न
According to Valence bond theory, a bond between two atoms is formed when ______.
विकल्प
fully filled atomic orbitals overlap
half-filled atomic orbitals overlap
non – bonding atomic orbitals overlap
empty atomic orbitals overlap
उत्तर
According to Valence bond theory, a bond between two atoms is formed when half-filled atomic orbitals overlap.
APPEARS IN
संबंधित प्रश्न
Display electron distribution around the oxygen atom in the water molecule and state the shape of the molecule, also write the H-O-H bond angle.
Explain geometry of methane molecule on the basis of Hybridization.
Give a reason for carbon is tetravalent in nature.
Identify the type of overlap present in H-F molecule. Explain diagrammatically.
Complete the following Table.
| Molecule | Type of Hybridization | Type of bonds | Geometry | Bond angle |
| CH4 | - | 4C-H 4σ bonds |
Tetrahedral | - |
| NH3 | sp3 | 3N-H 3σ bonds 1 lone pair |
- | - |
| H2O | - | - | angular | 104.5° |
| BF3 | sp2 | - | - | 120° |
| C2H4 | - | - | - | 120° |
| BeF2 | - | 2 Be-F | Linear | - |
| C2H2 | sp | (3σ+2π) 1C-C σ 2C-H σ 2C-C π |
- | - |
The ratio of number of sigma (σ) and pi (л) bonds in 2- butynal is ______.
Define σ – bond.
Considering x-axis as the molecular axis which out of the following will form a sigma bond.
1s and 2pz
Which of the following is correct decreasing order of the repulsive Interaction of electron pairs in a molecule?
Briefly describe the valence bond theory of covalent bond formation by taking an example of hydrogen. How can you interpret energy changes taking place in the formation of dihydrogen?
