CBSE Class 11-science Chemistry Chemical Bonding and Molecular Structure
- why all nitrogen compounds formed when nitrogen is in ground state? why cant it form compounds in excited state?
- what is hybridisation?
- Explain the formation of on the basis of hybridisation
- Among H2+ and H2- molecular ions which ion is more stable and why?
- How many lone pairs, bond pairs are present around S in SF4 molecule? What is their arrangement?
- Name one cation which is isostructural with NH3.
- Name the d- orbitals that are involved in sp3d2 hybridization
- What is the hybrid state of B in BF3, Al in AlCl3, Be in BeCl2, C in CO2 and C2H4; S in SO2 and SO3.
- Differentiate between valence bond theory and Lewis concept with regard to the formation of covalent bond.
- Explain the formation of sigma and pi bond.
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