NCERT Grade 12 Chemistry Chapter 1, The Solid State deals with different possible arrangements of particles resulting in several types of structures and different arrangements of structural units that lend different properties to solids. In this chapter, students will learn how these properties get modified due to the structural imperfections or by the presence of impurities in minute amounts.
After studying this chapter, students will be able to describe general characteristics of solid state; distinguish between amorphous and crystalline solids; classify crystalline solids on the basis of the nature of binding forces; define crystal lattice and unit cell; explain close packing of particles; describe different types of voids and close packed structures; calculate the packing efficiency of different types of cubic unit cells; correlate the density of a substance with its unit cell properties; describe the imperfections in solids and their effect on properties and correlate the electrical and magnetic properties of solids and their structure.
General Characteristics of Solid State, Amorphous and Crystalline Solids, Classification of Crystalline Solids, Molecular Solids, Ionic Solids, Metallic Solids, Covalent or Network Solids, Crystal Lattices and Unit Cells, Primitive and Centred Unit Cells, Number of Atoms in a Unit Cell, Primitive Cubic Unit Cell, Body-Centred Cubic Unit Cell, Face-Centred Cubic Unit Cell, Close-Packed Structures, Formula of a Compound and Number of Voids Filled, Packing Efficiency, Packing Efficiency in hcp and ccp Structures, Efficiency of Packing in Body-Centred Cubic Structures, Packing Efficiency in Simple Cubic Lattice, Calculations Involving Unit Cell Dimensions, Imperfections in Solids and Types of Point Defects are the topics discussed in this chapter. NCERT Grade 12 Chemistry Chapter 1, The Solid State holds a total weightage of 4 marks in the final examination.
Get 100 percent accurate NCERT Solutions for Class 12 Chemistry Chapter 1 (The Solid State) solved by expert Chemistry teachers. We provide solutions for questions given in Class 12 Chemistry text-book as per CBSE Board guidelines from the latest NCERT book for Class 12 Chemistry. The topics and sub-topics in Chapter 1 The Solid State are given are given below.
Ex 1.1 - General Characteristics of Solid State
Ex 1.2 - Amorphous and Crystalline Solids
Ex 1.3 - Classification of Crystalline Solids
Ex 1.3.1 - Molecular Solids
Ex 1.3.2 - Ionic Solids
Ex 1.3.3 - Metallic Solids
Ex 1.3.4 - Covalent or Network Solids
Ex 1.4 - Crystal Lattices and Unit Cells
Ex 1.4.1 - Primitive and Centred Unit Cells
Ex 1.5 - Number of Atoms in a Unit Cell
Ex 1.5.1 - Primitive Cubic Unit Cell
Ex 1.5.2 - Body-Centred Cubic Unit Cell
Ex 1.5.3 - Face-Centred Cubic Unit Cell
Ex 1.6 - Close Packed Structures
Ex 1.6.1 - Formula of a Compound and Number of Voids Filled
Ex 1.7 - Packing Efficiency
Ex 1.7.1 - Packing Efficiency in hcp and ccp Structures
Ex 1.7.2 - Efficiency of Packing in Body-Centred Cubic Structures
Ex 1.7.3 - Packing Efficiency in Simple Cubic Lattice
Ex 1.8 - Calculations Involving Unit Cell Dimensions
Ex 1.9 - Imperfections in Solids
Ex 1.9.1 - Types of Point Defects
Ex 1.10 - Electrical Properties
Ex 1.10.1 - Conduction of Electricity in Metals
Ex 1.10.2 - Conduction of Electricity in Semiconductors
Ex 1.11 - Magnetic Properties.
We cover all exercises in the chapter given below:-
Chapter 1 Exercises - 26 Questions with Solutions.
Other than given exercises, you should also practice all the solved examples given in the book to clear your concepts on The Solid State. Download the free PDF of Chapter 1 The Solid State and take the print out to keep it handy for your exam preparation.