HARD
11th CBSE
IMPORTANT
Earn 100

Briefly describe valence bond theory of covalent bond. How can you interpret it in terms of energy consideration?

Important Questions on Chemical Bonding and Molecular Structure

HARD
11th CBSE
IMPORTANT
Explain briefly quantum theory of covalent bond formation?
HARD
11th CBSE
IMPORTANT
What are sigma and pi bonds? Explain the different ways of their formation diagrammatically. Which one of them is stronger and why?
HARD
11th CBSE
IMPORTANT
Explain the terms bond length, bond energy and bond angle?
HARD
11th CBSE
IMPORTANT
What do you understand by partial ionic character of covalent bond? How it is calculated? Explain taking example of HCl, given that its observed dipole moment is 1.03D and bond length is 1.275Å ?
HARD
11th CBSE
IMPORTANT
Define dipole moment. Discuss its important applications?
HARD
11th CBSE
IMPORTANT
Why are some covalent bonds polar? What is a dipole? How can a molecule that has polar bonds be a non-polar molecule? How do dipole moments of molecules of CO2 , CH4 , H2O and NH3 help in ascertaining their structure? 
HARD
11th CBSE
IMPORTANT
List various characteristics of covalent compounds. Differentiate between electrovalent and covalent compounds
HARD
11th CBSE
IMPORTANT
What is meant by hybridization of atomic orbital’s? How does it explain shape of molecule, Illustrate your answer with suitable examples?