chemistry ebooks, physical chemistry ebooks, ebooks, download chemistry books, download pdf chemistry books, cbse board, Class 11, Class 12, Organic. ChemistryI. NCERT/CBSE class 12 Chemistry book ChemistryI · ChemistryII. NCERT/CBSE class 12 Chemistry book ChemistryII · KimiaIIUrdu. NCERT/CBSE . The objective of writing this book is to provide NCERT Solutions for students that presents its contents in a way that makes learning interesting, while, at the.
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Download Latest () Edition, NCERT Chemistry book class 11 and 12 ( English & Hindi medium) absolutely Free PDF. Chemistry part 1. One of the most important chapters of Chemistry is Chapter 12 - Organic Chemistry - Some Basic Principles and Techniques. Chemistry NCERT textbooks '. Free download of NCERT chapter-wise solutions for class 12 Chemistry solved by expert teachers from latest edition books and as per NCERT (CBSE) guidelines. This branch of organic chemistry is important for students to understand and.
There are about six concepts that have been explained in this chapter of surface chemistry. After completing the chapter, a student will be able to classify emulsions, define adsorption and classify it accordingly, describe the interfacial phenomenon and its significance, explain adsorption results on the basis of Freundlich adsorption isotherms, explain the mechanism of adsorption, mention the factors controlling adsorption from gases and solutions on solids, list the uses of colloids, understand the role of catalysts in industry, describe the preparation, properties and purification of colloids, and describe gel formation.
Around eight important concepts have been explained in details in this chapter to help students understand and learn well. This is a chapter that students must take seriously and it is advised to solve the questions that are listed at the end of the chapter to check how well you have understood the chapter. The topics covered in this chapter are the occurrence of metals, the concentration of ores and the cleaning process, the extraction of crude metal from ores, the thermodynamic and electrochemical principles of metallurgy, the refining process, and the uses of aluminum, zinc, copper, and iron among the others.
The 7th chapter is about p Block elements and is quite a lengthy chapter. However, it is important that students go through it well to fare better in examinations. Some of the topics included in this chapter are Group 15 Elements, Oxides of Nitrogen, the Allotropic Forms of Phosphorous, the Oxoacids of Phosphorus, the Group 16 elements, the simple oxides, the allotropic forms of sulfur, the oxoacids of sulfur, chlorine, and many more.
There are also exercises at the end of the chapter. This is not a lengthy chapter like Chapter 7 but is an important one. The d and f block elements chapter introduces various important topics to the Class 12 students like general and physical properties of the transition elements d block , the formation of colored ions and complex compounds, variation in atomic and ionic sizes of transition metals, ionization enthalpies, magnetic properties, and oxidation states.
The chapter also introduces elements of d and f block of the modern periodic table, electronic configuration, chemical reactivity of the inner transition metals, and oxidation states. This is a complex subject related to atoms and chemical reactions and hence students of Class 12 CBSE Chemistry must pay special attention to it to do well in the examination. There are eight topics that have been covered in this chapter. There are questions at the end of the chapter and detailed explanations to important questions as well.
After completing this chapter, students will be able to name haloalkanes and haloarenes based on the IUPAC system of nomenclature from their given structures, discuss the applications of organo-metallic compounds, correlate the structures of haloalkanes and haloarenes with various types of reactions, describe the reactions involved in the preparation of haloalkanes and haloarenes and talk about the various reactions that they undergo, understand how stereochemistry can be used as a tool for understanding the reaction mechanism, and know the environmental effects of polyhalogen compounds.
There are six topics in this chapter and each must be studied well to do well in the examinations and for further study.
After completing this chapter on alcohol phenols and ethers, students will know how to write the names of alcohols, phenols, and ethers according to the IUPAC system of nomenclature.
Students will also be able to name the physical properties of ethers, phenols and alcohols, understand the reactions involved in the process of making alcohol from alcohols, Phenols and Ethers, the reactions involved in the preparation of phenols from benzene sulphonic acids, haloarenes, cumene and from diazonium salts, and the reaction for the preparation of ethers from alcohols, alkyl halides, and sodium alkoxides. This chapter on Aldehydes Ketones Carboxylic Acids deals with some important topics that students of class 12 Chemistry must study diligently.
After completing this chapter, students will be able to write IUPAC names and common names of ketones, aldehydes, and carboxylic acids. Students will also be able to define the structures of the compounds containing functional groups of carboxyl and carbonyl groups, discuss the physical properties and chemical reactions of aldehydes, ketones and carboxylic acids with their structures and also understand the various factors that affect the acidity of carboxylic acids along with their reactions.
This branch of organic chemistry is important for students to understand and hence students must pay special attention to the chapter. There are 10 topics that have been covered in this chapter and the chapters are - Structure of Amines, the Preparation of Amines, the physical properties and chemical reactions of Amines, the methods of preparation of Diazonium Salts, the importance of Diazonium Salts in Synthesis of Aromatic Compounds.
The 14th Chapter deals with the topic of biomolecules and contains questions and solutions on topics such as cellulose, glycogen, saccharides, starch, etc. After completing studying this chapter, students will be able to classify carbohydrates, nucleic acids, proteins, and vitamins on the basis of their structures, explain the characteristics of biomolecules like carbohydrates, hormones, proteins and nucleic acids, point out the differences between DNA and RNA, and describe the role of biomolecules in the bio-system.
The various topics covered under this chapter are the explanation of the terms Monomer, Polymer, and Polymerisation, classification of Polymers based on their source, classification of polymers based on their structure, cross-linked or Network Polymers, linear Branched-chain, classification of polymers based on the mode of polymerization, and polymers of commercial importance.
There are also mock questions at the end of each chapter for the students to solve and understand the chapter in a better way. While this is the last chapter, it holds a lot of importance because it talks about Chemistry can be used in daily life. There are five topics that have been covered in this chapter and the topics include drugs and their classifications, drug Target Interaction, therapeutic Action of different classes of drugs, chemicals in food, and cleansing agents. These topics are explained in details and at the end of the chapter, there are questions that students are required to answer.
Students nowadays have to prepare for board exams and various competitive examinations simultaneously.
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You also avail a plethora of benefits that are listed below: Chapter 3 — Electrochemistry This is an important chapter for students of Class 12 studying Chemistry. Chapter 4 — Chemical Kinetics Students who wish to pursue engineering and medical science must pay special attention to this chapter of chemistry.
Chapter 5 — Surface Chemistry There are about six concepts that have been explained in this chapter of surface chemistry.
Because camphor can sublime whereas CaSO4 does not. Explain, why an organic liquid vaporises at a temperature below its boiling point in its steam distillation? Will CCl4 give white precipitate of AgCl on heating it with silver nitrate?
Give reason for your answer. CCl4 is a completely non-polar covalent compound whereas AgNO3 is ionic in nature. Therefore they are not expected to react and thus a white ppt. Why is a solution of potassium hydroxide used to absorb carbon dioxide evolved during the estimation of carbon present in an organic compound? Why is it necessary to use acetic acid and not sulphric acid for acidification of sodium extract for testing sulphur by lead acetate test? Calculate the masses of carbon dioxide and water produced when 0.
Calculate the percentage of nitrogen in the compound. Calculate the percentage of chlorine in the compound. In an estimation of sulphur by Carius method, 0.
Find the percentage of sulphur in the compound. Which of the following carbocation is most stable? The best and latest technique for isolation, purification and separation of organic compounds is: a Crystallisation b Distillation c Sublimation d Chromatography.
KOH aq provides OH- ion for the nucleophile attack. How will you separate a mixture of two organic compounds which have different solubilities in the same solvent? Question 2.
An organic liquid decomposes below its boiling point. How will you purify it? Question 3. Suggest a suitable technique for separating naphthalene from kerosene oil present in a mixture.
Question 4. Name the process used to separate sugar and salt. Question 6. Question 8. What type of solids are separated by fractional crystallisation? Question 9. Name a suitable adsorbent used in the process of column chromatography. Answer: Al2O3 alumina Question Name three types of chromatography. Which method is used to extract a compound in aqueous solution?
In Carius method, sulphur is estimated by precipitating it as which compound? It does not matter in which board of education one has studied or which books one has used to prepare for the examination. All the boards have different syllabus, rules and teaching style.
The books preferred by these boards are easy for some while tough for others. Some have good teachers, lenient examination while some do not have these facilities. It is important how one has progressed in life in spite of all of these. In fact, NCERT books also help in preparation for competitive examinations as well as various entrance examinations.