NCERT Solutions for Class 11 Chemistry in PDF format for CBSE Board as well as UP Board academic year 2018-19 onward are available to download. NCERT books Solutions, notes and assignments according to current CBSE syllabus, are also available to download along with the answers given at the end of the book. If you are having any suggestion for the improvement, your are welcome. The improvement of the website and its contents are based on your suggestion and feedback.
NCERT Solutions for Class 11 Chemistry in PDF
Chapter 1: Some Basic Concepts of Chemistry
Chapter 2: Structure of Atom
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Chapter 3: Classification of Elements and Periodicity in Properties
Chapter 4: Chemical Bonding and Molecular Structure
Chapter 5: States of Matter & The Solid State
States of Matter
The Solid States (For 2018-19 onward)
Chapter 6: Thermodynamics
Chapter 7: Equilibrium
Organic Chemistry Class 11 Notes Pdf Free
Chapter 8: Redox Reactions
Chapter 9: Hydrogen
Chapter 10: The s – Block Elements
Chapter 11: The p – Block Elements
The p – Block Elements Part – I
The p – Block Elements Part- II (New for 2018-19)
Chapter 12: Organic Chemistry – Some Basic Principles and Techniques
Chapter 13: Hydrocarbons
Chapter 14: Environmental Chemistry
Organic Chemistry Class 11 Notes
More about Chemistry
What is chemistry?
The branch of science under which the structure of matter, its properties, uses and interaction with other types of a matter and various forms of energy are studied is called chemistry.
History of chemistry
- Since times immortal when the man come on earth his inquisitive nature implored him to constantly make new discoveries. In Indus Valley Harappan civilizations (500 to 600 BC) metallurgical techniques developed for making copper and bronze articles. In Egyptian civilization the methods of developed to preserve deal bodies as ‘mummies’ and chemicals used for it remain mystery. Even today we still do not know about the chemicals used for preservation of dead bodies. Egyptians had the knowledge of making soap, dyes, glass, etc. Pyramids of Egypt are the examples of their progress. Chemists of Egypt worked for discovering touch stone, universal solvent and potion of life. Though they did not succeed in their attempts but in the process they learnt about process like evaporation, distillation and sublimation which are of help even today.
- For treatment, different systems of medicine were developed, allopathy in Europe, Unani in Greece and Chinese in China. In this context, Bodhayan Baanbhatta, Varah Mihir, Arya Bhatta, Nagarjun, Charak, Gargi, Katyayan etc. contributed significantly. Sage Kanad termed the smallest part of as particle matter/elements. On this basis, John Dalton a teacher from Manchester (England), gave his Atomic Theory in 1808 AD.
The concept of ‘Panch Tatva’ (five elements) is the contribution of Indian philosophers only. For example:
क्षिति जल पावक गगन समीरा
पंच रचित अति अधम सरीरा — रामचरित मानस (किष्किंधा कांड) - Ancient Indians had the knowledge of metallurgy, fermentation and preparation of bases, extracts and distillates. The polish done on the ‘Iron Pillar’ of Mehrauli in Delhi is a subject matter of research because no rusting has occurred on it till date.