NCERT solutions for class 11 Chemistry allows students to understand the subject better and thus perform better in the exam. The NCERT is the National Board which issues the textbooks for the different boards. We provide solutions for the different subjects, including Chemistry for class 11. The chapters are laid out in such a way that students can either download the different chapters individually or together.
Chemistry is an essential subject for students taking science in high school. It deals with various substances that make up the matter, along with their reaction and properties, to form newer elements. Class 11 Chemistry forms the building blocks for students going to their 12th grade. For ease of students, Vedantu provides class 11 Chemistry NCERT solutions for all the important problems of all the chapters being taught in school so that you can comprehend them easily.
Our team of teachers here at Vedantu provide students with the necessary expertise and steps to comprehend the different problems and solve them accordingly. Our solutions contain the important chapters laid out by our expert panel of teachers. They have gone through the different question papers over the years and have designed solutions that are ideal for exam preparation.
By referring to the NCERT Chemistry class 11 solutions, students can understand all the important questions and practice them well enough before their examinations. The questions are updated according to the latest syllabus of the NCERT, thus ensuring that students are not kept in the dark if any changes are made.
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Chemistry NCERT Solutions for Class 11 - Free PDF Download
Chemistry Class 11 NCERT Solutions cover all the important concepts in detail. Students are at liberty to choose the lessons they wish to learn as the solutions are updated in a chapter-wise format. They can download the chapters they want to and study them accordingly. Also, with the solutions provided to all the questions, they can become faster and more experienced in answering challenging questions.
The NCERT Chemistry Class 11 book solutions are ideal for students who are interested in going that little extra mile and understanding their lessons. With answers that present the solution in the simplest way possible, they ensure understanding of the subject. This way, they won’t just perform better in examinations; they will also understand the variation of the subject and thus have a stronger base when it comes to more complex chemistry. Chemistry is a subject that cannot be studied by rote and students need to understand every aspect of the subject. We have provided clear answers to even the hardest questions to make it easier for them to solve their examination questions.
The NCERT Class 11 Chemistry contains solutions to all the chapters in the textbook, starting from Some Basic Concepts of Chemistry right down to Environmental Chemistry. Our panel of teachers who designed these solutions are all experienced in the subject and have taught for many years. They understand exactly what the examiners will be looking to ask and have answered these questions accordingly. Below mentioned are the chapter-wise details that this study material covers.
Chapter 1 – Some Basic Concepts of Chemistry
In this chapter, the student will get to understand the role played by chemistry in different spheres of life. This chapter further explains the nature of matter and the laws of the chemical combinations. Further, students will get to know about the details of Dalton’s atomic theory in which the concept of atoms and molecules are explained. Moreover, the chapter also deals with the concept of atomic and molecular masses, mole concept and molar masses, chemical reactions, empirical and molecular formula. There are some calculations which can be performed based on stoichiometry. There are 36 questions in total.
Chapter 2 – Structure of Atom
In this chapter, students will get to know about the discovery of Electron, Proton, and Neutron and what is an atomic number, isotopes, and isobars, etc. The detail description of Thomson's model and its limitations, Rutherford's model and its limitations and Bohr's model and its limitations is provided to the student. A deep insight on the concept of shells, subshells, the dual nature of matter and light, de Broglie's relationship, Heisenberg uncertainty principle, the concept of orbitals, quantum numbers, shapes of s, p and d orbitals, etc. are also provided. The rules for filling electrons in orbitals using various principles like the Aufbau principle, Pauli's exclusion principle and Hund's rule, etc. shall be discussed. The electronic configuration of atoms, the stability of half-filled and completely filled orbitals tec. Shall also be discussed with students. There is a total of 67 questions.
Chapter 3 - Classification of Elements and Periodicity in Properties
In this chapter, you will get to know about the significance of classification, insight on the brief history of the development of periodic table, how modern periodic law and the present form of periodic table developed, etc. The information about the periodic trends in properties of elements like atomic radii, ionic radii, inert gas radii Ionization enthalpy, electron gain enthalpy, electronegativity, valency, etc. shall be discussed for further understanding. The Nomenclature of elements with atomic number greater than 100 will be provided to the students for more understanding. There is a total of 40 questions in the chapter.
Chapter 4 - Chemical Bonding and Molecular Structure
In this chapter, you will understand the concept of valence electrons, what is ionic bond and covalent bond, etc. and for more information, the details about the bond parameters, Lewis structure, polar character of covalent bond, covalent character of ionic bond, valence bond theory, resonance, geometry of covalent molecules, etc. will be discussed. A qualitative idea about the VSEPR theory, the concept of hybridization, involving s, p and d orbitals, and shapes of some simple molecules, the molecular orbital theory of homonuclear diatomic molecules hydrogen bond will be shared with students for more understanding. There is a total of 40 questions in the chapter.
Chapter 5 - States of Matter - Gases and Liquids
The chapter will help students in understanding the concept of three states of matter, the intermolecular interactions and the types of bonding. Some insights about the melting and boiling points etc. will be provided. The role of gas laws in elucidating the concept of the molecule will be discussed and how is the Boyle's law, Charles law, Gay Lussac's law, Avogadro's law, etc. will be helpful for students in understanding the ideal behavior. The empirical derivation of the gas equation, Avogadro's number, the ideal gas equation for numerical will be illustrated. The Deviation from ideal behavior, liquefaction of gases, critical temperature, kinetic energy shall be discussed as well. An elementary level of an idea about the molecular speeds in Liquid State- vapor pressure will be discussed. Only qualitative information will be shared about the viscosity and surface tension. There is a total of 23 questions.
Chapter 6 - Chemical Thermodynamics
The information about the concepts of system and different types of systems will be provided. A discussion will be provided about the surroundings, work, heat, energy and the extensive and intensive properties and state functions. The First law of thermodynamics involving internal energy and enthalpy, heat capacity and specific heat, measurement of ΔU and ΔH will be discussed. The discussion about the Hess's law of constant heat summation, enthalpy of bond dissociation and different processes like combustion, formation, atomization, sublimation, phase transition, ionization, solution, and dilution, etc. will be discussed in detail. For further understanding, an introduction about the second law of Thermodynamics and the Introduction of entropy as a state function, Gibb's energy change for spontaneous and non-spontaneous processes, criteria for equilibrium and also about the Third law of thermodynamics will be provided. There is a total of 22 questions.
Chapter 7 - Equilibrium
In this chapter, you will get to know about the concept of equilibrium in physical and chemical processes and some details about the dynamic nature of equilibrium. Some insights about the law of mass action, the equilibrium constant and what are the factors affecting equilibrium as per Le Chatelier's principle. The details about the ionic equilibrium-ionization of acids and bases, strong and weak electrolytes, degree of ionization will be discussed. Further, Information about the ionization of polybasic acids, acid strength, the concept of pH, Henderson Equation, etc. will be shared. For students, they get to know more about the hydrolysis of salts, buffer solution, solubility product, common ion effect in details with some examples. There is a total of 73 questions.
Chapter 8- Redox Reaction
In this chapter, the students will get to know about the concept of oxidation and reduction in detail and deep insight about the redox reactions, etc. The information about the oxidation number, balancing redox reactions, etc. will be provided. The discussion in terms of loss and gain of electrons will be held in the chapter and before the chapter ends, the details about the change in oxidation number and applications of redox reactions will be provided. There is a total of 30 questions.
Chapter 9 – Hydrogen
In this chapter, you will read about the position of hydrogen in the periodic table and some deep insight about the occurrence. Some information about the isotopes and how they are prepared and what are their properties etc. will be provided. The uses of hydrogen will be discussed. Information about the hydrides-ionic covalent and interstitial will be discussed and what are the physical and chemical properties of water etc. will also be mentioned in the chapter. The information about the heavy water will be discussed. The chapter further talks about the preparation, reactions, and structure and use of hydrogen peroxide in detail. At the end of the chapter, you will find some insights about hydrogen as a fuel. There is a total of 36 questions.
Chapter 10 - s -Block Elements (Alkali and Alkaline Earth Metals)
Group 1 and Group 2 Elements
In this chapter, you will get to find a general introduction about the electronic configuration, and about their occurrence. Some of the properties with anomalous behavior of the first element of each group is discussed along with diagonal relationship and trends in the variation of properties like ionization enthalpy, atomic and ionic radii, etc. will be discussed. Some more trends in chemical reactivity with oxygen, water, hydrogen, and halogens, etc. will be discussed along with their uses. The preparation and properties of some important compounds like sodium carbonate, sodium chloride, sodium hydroxide, and sodium hydrogen carbonate will be discussed. The biological importance of sodium and potassium will be shared with students for more information. The information about the industrial use of calcium oxide and calcium carbonate and the biological importance of magnesium and calcium will be shared with the students. There is a total of 32 questions.
Chapter 11 - Some p -Block Elements
In this chapter, the general introduction about p - block elements are provided to the students.
Detailed information about the Group 13 Elements where students will get to know about the general introduction and some information about the electronic configuration and their occurrence will be provided. The variation of properties and oxidation states will be discussed. Various trends in chemical reactivity and anomalous properties of the first element of the group will be discussed in detail. The physical and chemical properties of the boron and some of its important compounds like Borax, Boric acid, Boron Hydrides, etc. will be mentioned in the chapter. The details about the reactions of aluminum with acids and alkalies and their uses etc. will be shared. Later, in the chapter, you will discuss the Group 14 Elements and some details about the carbon-catenation, allotropic forms, physical and chemical properties, etc. The uses of some important compounds – oxides and some other important compounds of Silicon like Silicon Tetrachloride, Silicones, Silicates and Zeolites along with their few uses will be discussed. There is a total of 32 questions.
Chapter 12 - Organic Chemistry - Some Basic Principles and Technique
The chapter talks about the general introduction and what are the methods of purification and the qualitative and quantitative analysis used. The information about the classification and IUPAC nomenclature of organic compounds will be provided. The electronic displacements in a covalent bond - inductive effect, electromeric effect, resonance, and hyperconjugation are discussed in detail. All related information about the homolytic and heterolytic fission of a covalent bond - free radicals, carbocations, carbanions, electrophiles, and nucleophiles, etc. and the types of organic reactions are discussed in the chapter. There is a total of 40 questions.
Chapter 13 - Hydrocarbons
In this chapter, students will get to know about the classification of Hydrocarbons in details and what are their uses and all the related properties and reactions.
This chapter talks about the Aliphatic Hydrocarbons – Alkanes, Alkenes and Alkynes, and their related nomenclature, IUPAC names, physical properties, chemical reactions including free radical mechanism of halogenation, combustion, and pyrolysis, isomerism, etc. There is a total of 25 questions.
Chapter 14 - Environmental Chemistry
In this chapter, students will get to know about environmental pollution related to the air, water, and soil. All the chemical reactions that happen in the atmosphere, cause of smog, information about major atmospheric pollutants. It further discusses the acid rain, ozone, and its reactions. The effects of depletion of the ozone layer, greenhouse effect and global warming causing pollution due to industrial wastes will be discussed in detail. The green chemistry as an alternative tool for reducing pollution concept shall be presented to the students in which they will get to know about the strategies to control environmental pollution. There is a total of 20 questions.
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Chemistry NCERT Chapter wise Solutions for Class 11 - Free PDF Download