CHAPTER 3

Gaseous State

Chapter Highlights

Measurable properties of gases, Boyle's law, Charles law and absolute scale of temperature, Avogadro's hypothesis, Ideal gas equation, Dalton's law of partial pressure. Kinetic molecular theory of gases (the microscopic model of gas, deviation form ideal behaviour) and various levels of multiple-choice questions.

GASEOUS STATE
GENERAL PROPERTIES
  • Only non-metals form gases (F2, Cl2)
  • Volume of a gas is equal to the volume of the container in which it is taken as it tries to occupy all the space. It is expressed in litres or m3 or mL or cm3.
  • Gases show high diffusibility, thermal expansion and high compressibility.
  • Gases always form a homogeneous mixture.
  • Gaseous pressure is measured by a manometer ...

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