NCERT Solutions for Class 11 Chemistry Chapter 9: Hydrogen

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NCERT Solutions for Class 11 Chemistry Chapter 9 Hydrogen is provided in this article. Some of the important topics of Hydrogen chapter include:

  1. Hydrogen
  2. Position of Hydrogen in Periodic Table
  3. Isotopes of Hydrogen
  4. Physical Properties of Water
  5. Chemical Properties of Water

As this topic has been omitted from the new CBSE Class 11 syllabus, no questions can be expected from this chapter. But it would be useful for other competitive exams.

Download PDF: NCERT Solutions for Class 11 Chemistry Chapter 9 pdf


NCERT Solutions for Class 11 Chemistry Chapter 9

NCERT Solutions for Class 11 Chemistry Chapter 9 Hydrogen is given below.

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Class 11 Chemistry Chapter 9 Hydrogen – Important Questions

Hydrogen is the lightest atom and has only one proton and no neutrons. The three stable isotopes of hydrogen are:

The first element in the periodic table is Hydrogen. It is placed in 'Group 1' of the periodic table on the basis of its configuration (1s¹).

Properties of Hydrogen:

  • Hydrogen is a colourless and odourless non-toxic gas.
  • It has the lowest density among all the other gases.
  • Hydrogen is the most abundant element in the universe.
  • Melting point of Hydrogen is -259.16° C.
  • Boiling point of Hydrogen is -252.879° C.
  • Density of Hydrogen is 0.000082 gram cm-3.
  • Atomic mass of Hydrogen is 1.008.

Hydrides are the compounds of hydrogen with less electronegative elements. Hydrides are of three types:

  • Ionic Hydrides
  • Covalent or Molecular Hydrides
  • Metallic Hydrides

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Class 11 CBSE Chemistry Study Guides:

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