NCERT Exemplar Problems Solutions for Class 12 Chemistry in PDF format are available to download. NCERT books and NCERT Solutions are also available to download along with the answers given at the end of the book. NCERT Exemplar books are very important and contain logical and interactive questions for competitive examination. One must do these questions for the complete knowledge of the chapters. Download CBSE Study Materials on www.postrays.com for every class.
NCERT Exemplar Problems class 12 Chemistry
Chapter 1: Solid State
The constituent particles are systematically arranged. On its basis the structure of crystal forms. The smallest particle of a crystal is called unit cell and in the crystal, these unit cells are arranged in three-dimensional directions. Such arrangement is called lattice structure.
Chapter 2: Solutions
Polar solute dissolves in polar solvent and non polar solute dissolves in non polar solvent and forms homogeneous mixture (solution). If the number of -OH group is more in a solute, then it is more soluble in water. Most of polar solutes dissolve in polar solvents.
Chapter 3: Electrochemistry
The reaction taking place in electrochemical cell is a redox reaction. In electrochemical cell, chemical energy is transformed into electrical energy produce electrical energy. Electrochemical cell is known as voltaic or galvanic cell.
Chapter 4: Chemical Kinetics
The study of rate of chemical reaction is called chemical kinetics. It is independent of thermodynamics, equilibrium etc., but all the three are associated with the result of the product.
Chapter 5: Surface Chemistry
The study of chemistry regarding the boundary separating two bulk states or phases is called surface chemistry. This boundary surface is known as interface. It is expressed as hyphen ( – ) or slash ( / ). Dissolution, crystallization, catalysis, metallic corrosion are surface phenomena.
Chapter 6: General Principles and Processes of Isolation of Elements
Metals and non-metals are associated with human life for very long time. We use these metals in pure form or their alloys formed by metals combined with other substances. Many reactions and processes are to be used for obtaining such metals.
Chapter 7: The p – Block Elements
Chapter 8: The d – and f – Block Elements
Chapter 9: Coordinate Compounds
Chapter 10: Haloalkanes and Haloarenes
Chapter 11: Alcohols, Phenols and Ethers
Chapter 12: Aldehydes, Ketones and Carboxylic Acids
Chapter 13: Amines
Chapter 14: Biomolecules
Chapter 15: Polymers
Chapter 16: Chemistry in Everyday Life
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