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NCERT Solutions for Class 11 Chemistry Chapter 9 - Hydrogen

iacst-2022

This chapter deals with the position of hydrogen in the periodic table, occurrence, isotopes, preparation, properties and uses of hydrogen, hydrides-ionic covalent and interstitial; physical and chemical properties of water, heavy water, hydrogen peroxide -preparation, reactions and structure and use and hydrogen as a fuel.

  • Position of Hydrogen in the Periodic Table

In this topic, students learn the position and configuration of Hydrogen

  • Dihydrogen

Under this section, the occurrence and isotopes of Dihydrogen, H2 is explained.

  • Preparation of Dihydrogen

Students learn the methods to both laboratory preparation and commercial preparation of Dihydrogen.

  • Properties of Dihydrogen

The physical and chemical properties are discussed in this topic. It also consists of illustrations for understanding the chemistry of dihydrogen.

  • Hydrides

Under certain reaction conditions, Dihydrogen combines with almost all elements, except noble gases, to form binary compounds, called hydrides. This topic discusses the classifications of hydrides.

  • Water

This topic deals with water's physical properties - the structure of water and the structure of ice and chemical properties of water. It also explains about hard and soft water.

  • Hydrogen Peroxide

Hydrogen peroxide is an important chemical used in pollution control treatment of domestic and industrial effluents. Students learn the methods for preparing hydrogen peroxide, its physical properties, structure and chemical properties.

  • Dihydrogen as a fuel

On a mass, for mass basis dihydrogen can release more energy than petrol

 

 

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