Biology Class 11 Notes

CBSE Class 11 Biology Notes

Class 11 Biology Notes  introduces a variety of important topics like living world, biological classification, the structural organization in plants and animals, more about the cell, cell division, biomolecules, plant physiology, human physiology etc. A proper understanding of the fundamental is extremely crucial since the concepts of these chapters are required in higher classes to understand complicated topics easily.

To help the students learn more effectively, few 11th class biology notes are given here. These notes include all the important concepts and diagrams to help the students learn the chapters properly. These CBSE class 11 biology notes are in accordance with the latest CBSE syllabus. With these notes, learning biology can be easy and effective. Students can also download these class 11th biology notes pdf form and revise the important topics whenever they can. It is also suggested to segregate the notes to quickly get the details of a particular chapter.

Environmental Chemistry Class 11 Notes

Environmental Chemistry Class 11 Notes – Chapter 14

Environmental pollution – air, water and soil pollution, chemical reactions in the atmosphere, smog, major atmospheric pollutants, acid rain, ozone, and its reactions, effects of depletion of the ozone layer, greenhouse effect, and global warming- pollution due to industrial wastes, green chemistry as an alternative tool for reducing pollution, strategies for control of environmental pollution. Please refer Environmental Chemistry Class 11 Notes for more revision notes.

Hydrocarbons Class 11 Notes

Hydrocarbons Class 11 Notes – Chapter 13

The compounds consisting of hydrogen and carbon only are called hydrocarbons. They are obtained from the major source of energy like petroleum and coal. Compressed natural gas (CNG) and liquefied petroleum gas (LPG) are the main sources of energy for the automobile industry, and domestic fuel is obtained from petroleum. Please refer Hydrocarbons Class 11 Notes for more revision notes.

Organic Chemistry Some Basic Principles and Techniques Class 11 Notes

Organic Chemistry – Some Basic Principles And Techniques Class 11 Notes – Chapter 12

General introduction, methods of purification, qualitative and quantitative analysis, classification and IUPAC nomenclature of organic compounds. Electronic displacements in a covalent bond: inductive effect, electromeric effect, resonance, and hyperconjugation.

Homolytic and heterolytic fission of a covalent bond: free radicals, carbocations, carbanions, electrophiles and nucleophiles, types of organic reactions. Please refer Organic Chemistry Some Basic Principles and Techniques Class 11 Notes for more revision notes.

The p-Block Elements Class 11 Notes

The p-Block Elements Class 11 Notes – Chapter 11

General introduction, electronic configuration, occurrence, variation of properties, oxidation states, trends in chemical reactivity, anomalous properties of first element of the group, Boron – physical and chemical properties, some important compounds, Borax, Boric acid, Boron Hydrides, Aluminium: Reactions with acids and alkalies, uses.

Group 14 Elements: General introduction, electronic configuration, occurrence, variation of properties, oxidation states, trends in chemical reactivity, anomalous behaviour of first elements. Carbon-catenation, allotropic forms, physical and chemical properties; uses of some important compounds: oxides. Important compounds of Silicon and a few uses: Silicon Tetrachloride, Silicones, Silicates and Zeolites, their uses. Please refer The p-Block Elements Class 11 Notes for more revision notes.

The s-Block Elements Class 11 Notes

The s-Block Elements Class 11 Notes – Chapter 10

The s-Block Elements Group 1 and Group 2 Elements General introduction, electronic configuration, occurrence, anomalous properties of the first element of each group, diagonal relationship, trends in the variation of properties (such as ionization enthalpy, atomic and ionic radii), trends in chemical reactivity with oxygen, water, hydrogen and halogens, uses. Etc. Please refer The s-Block Elements Class 11 Notes for more revision notes.

Hydrogen Class 11 Notes

Hydrogen Class 11 Notes – Chapter 9

Position of hydrogen in 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; hydrogen as a fuel. please refer Hydrogen Class 11 Notes for more revision notes.

Equilibrium Class 11 Notes

Equilibrium Class 11 Notes – Chapter 7

Equilibrium in physical and chemical processes, dynamic nature of equilibrium, law of mass action, equilibrium constant,

Factors affecting equilibrium- Le Chatelier’s principle, ionic equilibrium- ionization of acids and bases, strong and weak electrolytes, degree of ionization, ionization of poly basic acids, acid strength, concept of pH, Henderson Equation, hydrolysis of salts (elementary idea), buffer solution, solubility product, common ion effect (with illustrative examples). Please refer Equilibrium Class 11 Notes for more revision notes.

Thermodynamics Class 11 Notes

Thermodynamics Class 11 Notes – Chapter 6

Concepts of System and types of systems, surroundings, work, heat, energy, extensive and  intensive properties, state functions.

First law of thermodynamics -internal energy and enthalpy, heat capacity and specific heat, measurement of AU and AH, Hess’s law of constant heat summation, enthalpy of bond dissociation, combustion, formation, atomization, sublimation, phase transition, ionization, solution, and dilution. Etc. Please refer Thermodynamics Class 11 Notes for more revision notes.

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