NCERT Solutions for Class 11 Chemistry

NCERT Solutions for Class 11 Chemistry in PDF format for CBSE Board as well as UP Board updated for new academic year 2020-2021 onward are available to download free along with Offline Apps based on new Syllabus.

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NCERT Solutions for Class 11 Chemistry

Class:11
Subject:Chemistry
Medium:English Medium

NCERT Solutions for Class 11 Chemistry in PDF

CHAPTER 1: SOME BASIC CONCEPTS OF CHEMISTRY

CHAPTER 2: STRUCTURE OF ATOM

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

CHAPTER 6: THERMODYNAMICS

CHAPTER 7: EQUILIBRIUM

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




CHAPTER 12: ORGANIC CHEMISTRY – SOME BASIC PRINCIPLES AND TECHNIQUES

CHAPTER 13: HYDROCARBONS

CHAPTER 14: ENVIRONMENTAL 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

1. 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.
2. 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)
3. 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.



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