About Gaseous State (JEE Main, Class 11th)

What is Gaseous State ?

Gaseous state chemistry focuses on studying chemical reactions and properties of substances in the gas phase. It involves understanding the behaviour of gases, including their physical properties, reactions, and interactions. This branch of chemistry explores topics such as gas laws, ideal and real gases, gas mixtures, gas-phase reactions, kinetics, thermodynamics, and spectroscopy techniques used for gas analysis. Gaseous state chemistry plays a vital role in environmental science, atmospheric chemistry, industrial processes, and gas-related technologies. Experimental and computational methods are used to analyse and model gas behaviour.

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Table of Content

 1. Characteristics of gases.

 2. Measurable properties of gases.

 3. Boyle’s law.

4. Charle’s law.

5. Gay-Lussac’s Law (Amonton’s law).

6. Avogadro’s law.

7. Ideal gas equation.

 8. Dalton’s law of partial pressures.

 9. Graham’s law of partial pressures.

 10. Barometric distribution law.

11. Kinetic theory of gases.

12. Molecular collisions.

z 13. Molecular speeds or velocities.

 14. Real and Ideal gases.

15. Vander Waal’s equation.

16. The critical state.

17. The principle of corresponding states.

 18. Degrees of freedom of a gaseous molecule.

 19. Specific and Molar heat capacity of gases.

 20. Liquefaction of gases.