Class 11 Chemistry Top 20 Important questions|NEB

20 Important Question of Chemistry Class 11 Nepal "Physical Chemistry"

1. State and explain Avogadro'g hypothesis. How this theory can be used to determine the molecular weight of a gas?
2. State and Explain Boyle's law and 
3. State and Explain Charle's law. 
4. Derive PV =nRT
5. Postulates of Kinetic molecular theory of gases.
6. State and Explain Dalton's law of Partial Pressure.and it's 2 applications
7. State and Explain Graham's law of diffusion and it's 2 application
8. Postulate of Bohr Theory of atomic model
9. Rutherford alpha ray scattering experiments and its limitations
10. How Bohr's atomic model explain the origin of hydrogen spectra? Sketch and name various spectral species observed in the atomic spectrum of hydrogen.
11. Hund's rule of maximum multiplicity (2069)
12. Advantages of modern periodic table with its statement
13. Mendeleev's periodic table and it's demerits with its statement
14. What is periodicity? How to atomic radii vary in a group and in a period? and why?
15. Diff betn oxidn and redn in terms of electronic concept
16. Relationship between Kp and Kc
17. Law of Mass action and characteristics of equilibrium constant
18. Statement of Le- Chatelier's principle and its application