NCERT Solutions For Class 11 Chemistry
NCERT Solutions for Class 11 Chemistry is prepared by experts of Physics Wallah. It consists of detail explanation of all the questions asked in NCERT class 11 Chemistry textbook. Theoretical questions are explained with proper use of example and numerical are solved with all required detail steps. Chemistry has been one of the most important subjects in class 11th.
Students looking forward to enhancing their chemistry knowledge can be very effective through NCERT solutions for class 11 chemistry. The team at Physics Wallah comprises of experts with years of experience. We are already acquainted with the appropriate guidelines and parameters that affect student’s marks. The complete NCERT solutions for class 11 chemistry are presented in very systemic and simple solutions.
Chemistry, in general, is a very interesting subject. Whereas many students find it difficult to comprehend. There comes the team of Physics Wallah to resolve the complete problems of students. Students looking forward to enhancing their career must deeply study NCERT Solutions for class 11 chemistry.
NCERT Solutions for Class 11 Chemistry Chapters (Updated 2022-23)
NCERT Solutions for Class 11 Chemistry Free PDF Download
Chapter- 1 Some Basic Concepts of Chemistry
This chapter explains to students the importance of chemistry, molecular mass, and atomic mass. Several fundamental theories and laws, such as Avogadro's Law, Dalton's Atomic Theory, and the Law of Conservation of Mass, are briefly explained in this chapter. You will also solve problems based on determining the molecular weight of compounds, mass percent, and concentration. You will clearly understand empirical and molecular formulas, molarity, molality, and the molar concept. Topics covered in this chapter are- General Introduction: Importance and scope of chemistry.
Historical approach to particulate nature of matter, Dalton's atomic theory: the concept of elements, atoms, and molecules, laws of chemical combination. Molecular and atomic masses. Molar mass and mole concept; percentage composition and empirical and molecular formula; chemical reactions, stoichiometry, and calculations based on stoichiometry.
Chapter- 2 Structure of Atom
Students will be introduced to Thomson's atomic model, subatomic particles, Bohr's model, Rutherford's atomic model, and the quantum mechanical model of the atom. This chapter presents problems related to the relationship between frequency and wavelength, the energy associated with electromagnetic radiation, and subatomic particles. You will learn to write electron configurations and transition in different shells, which is important for the exam. Topics covered in this chapter are - Discovery of electrons, proton, and neutron; atomic number, isotopes, and isobars. Thompson's model and its limitations, Rutherford's model and its limitations, Bohr's model and its limitations, the concept of shells and subshells, 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, rules for filling electrons in orbitals – Aufbau principle, Pauli exclusion principle and Hund's rule, electronic configuration of atoms, stability of half filled and filled orbitals.
Chapter- 3 Classification of Elements and Periodicity in Properties
From the exam's point of view, the elements' classification is important. Various questions in the board exam and competitive exams are asked from this chapter. So learning all the concepts from this chapter is very important. Students will also learn about s-block, p-block, d-block, and f-block elements from the periodic table, physical and chemical properties, and chemical reactivity trends from this chapter. By studying this chapter thoroughly, students will score well in the exam. Topics covered in this chapter are - Brief history of the development of the periodic table, significance of classification, the present form of the periodic table and modern periodic law, periodic trends in properties of elements – atomic radii, ionic radii, inert gas radii, ionization enthalpy, electron gain enthalpy, electronegativity, valence.
Chapter- 4 Chemical Bonding and Molecular Structure
Chemistry is based on the things we observe around us and is called central science. The topics discussed in this chapter are – Valence electrons, covalent bond, ionic bond, bond parameters, the polar character of covalent bond, Lewis structure, valence bond theory, the covalent character of ionic bond, VSEPR theory, resonance, the geometry of covalent molecules, shapes of some simple molecules and concept of hybridization involving s, p and d orbitals, molecular orbital theory of homonuclear diatomic molecules (qualitative idea only), hydrogen bond. The NCERT Solutions in Physics Wallah include diagrams for each concept to give students a visual learning experience.
Chapter- 5 States of Matter
This chapter explains intermolecular forces and how they affect the physical state of the substance. It deals with other terms associated with matter's gaseous and liquid states. That's why this chapter is important for the board exam. Students will be able to understand Boyle's Law, Charles' Law, Gay Lussac's Law, and Avogadro's Law which carries multiple marks as per the exam pattern. Problems in finding partial pressure, critical temperature and pressure, van der Waals force, and other intermolecular forces are discussed in this chapter. Topics covered in this chapter are- Three states of matter, intermolecular interactions, type of bonding, melting and boiling points, the role of gas laws in elucidating the concept of the molecule, Boyle's law, Charles' law, Gay Lussac's law, Avogadro's law, ideal behavior, empirical derivation of gas equation, Avogadro's number, ideal gas equation, deviation from ideal behavior, liquefaction of gases, critical temperature. Liquid State – Vapour pressure, viscosity, and surface tension (qualitative idea only, no mathematical derivations).
Chapter- 6 Thermodynamics
Thermodynamics is a branch of science that shows the relationship between heat and other forms of energy. Thermodynamic systems are divided into open, closed, and isolated systems based on the exchange of mass and energy. Students will become more familiar with concepts such as - concepts in thermodynamics, applications, calorimetry, enthalpy, spontaneity, and Gibbs energy change and equilibrium. The problems in NCERT Solutions are answered systematically and completely based on the latest CBSE Board Syllabus. Topics Covered in this chapter are- Concepts of systems, surroundings, work, heat, energy, extensive and intensive properties, types of systems, and state functions. The first law of thermodynamics – enthalpy and internal energy, specific heat and heat capacity, measurement of ΔU and ΔH, enthalpy of: bond dissociation, Hess’s law of constant heat summation formation, combustion, atomization, phase transition, sublimation, and dilution and ionization. Nonspontaneous process and Free energy change for spontaneous, Introduction of entropy as a state function, equilibrium.
Chapter- 7 Equilibrium
Students will learn buffer solutions, the equilibrium constant, and the common ion effect from this chapter. Since this chapter contains many concepts, a thorough understanding of each is important to perform well in the board exam. The solutions contain clear explanations for each concept to clarify all student queries. The topics discussed in this chapter are – Equilibrium in physical and chemical processes, the law of mass action, equilibrium constant, dynamic nature of equilibrium, factors affecting equilibrium – Le Chatelier’s principle; ionic equilibrium – ionization of acids and bases, degree of ionization, strong and weak electrolytes, the concept of pH. Buffer solutions, hydrolysis of salts (elementary idea), solubility product, and common ion effect (with illustrative examples).
Chapter- 8 Redox Reactions
The fact is that the field of electrochemistry deals with redox reactions. Students must learn this chapter to get good marks in the final exam. Students will receive questions based on the classic idea of a redox reaction, redox reactions in terms of electron transfer reactions, oxidation number, and electrode processes. Students are advised first to complete the entire chapter using the NCERT textbook prescribed by the CBSE board. The topics covered in this chapter are- Concept of oxidation and reduction, redox reactions, oxidation number, balancing redox reactions, and applications of redox reactions.
Chapter- 9 Hydrogen
It is the lightest element, with one electron and one proton. An abundant element throughout the universe is dihydrogen. Hydrogen is an important element that makes up 80% of all matter in the universe. Students need to know about this element to secure good grades in the final exam. Students will also learn about the preparation and properties of dihydrogen and its applications in everyday life. It can be tough for students to remember all these concepts, so using the Physics Wallah study material will help you get through it. Topics Covered in this chapter are- Position of hydrogen in the periodic table, isotopes, occurrence, preparation, properties, and uses of hydrogen; hydrides –covalent, ionic, and interstitial; heavy water, physical and chemical properties of water, hydrogen peroxide – preparation, reactions, and structure; hydrogen as a fuel.
Chapter- 10 The s-Block Elements
Students will learn about alkali and alkaline earth metals, which are group 1 and group 2 in the periodic table—basic concepts like physical and chemical properties of s-block elements and general characteristics of compounds. The importance of calcium and magnesium is also clearly explained in this chapter. The periodic table and the elements present in it is a current topic from the exam's point of view. Hence, students are strongly advised to learn all these concepts thoroughly to score well. Topics covered in this chapter are- Group 1 and Group 2 elements: General introduction, occurrence, electronic configuration, diagonal relationship, anomalous properties of the first element of each group, trends in the variation of properties (such as atomic, ionization enthalpy, and ionic radii), trends in chemical reactivity with water, oxygen, halogens, and hydrogen; uses. Properties and preparation of some important compounds: sodium chloride, sodium carbonate, sodium hydrogen carbonate, and sodium hydroxide, biological importance of potassium and sodium. CaCO3, CaO and industrial use of lime and limestone, biological importance of Mg and Ca.
Chapter- 11 The p-Block Elements
Elements present between the 13th and 18th groups are called p-block elements. Because this chapter contains many concepts, it is very important that students review it regularly. Students will gain basic information about p-block elements, where the last electron enters or is located on the p-subshell. Few concepts you will learn in this chapter are – General Introduction to p-Block Elements. Group 13 elements: General introduction, occurrence, electronic configuration, variation of properties, trends in chemical reactivity, oxidation states, anomalous properties of first element of the group; Boron – physical and chemical properties, some important compounds: borax, boric acids, boron hydrides. Aluminium: uses, reactions with acids and alkalies. Group 14 elements: General introduction, occurrence, electronic configuration, variation of properties, oxidation states, trends in chemical reactivity, anomalous behaviour of first element. Carbon – catenation, physical and chemical properties, allotropic forms ; uses of some important compounds-oxides. The important compounds of silicon and a few uses: silicones, silicon tetrachloride ,silicates and zeolites.
Chapter- 12 Organic Chemistry – Some Basic Principles and Techniques
Regarding exam preparation, organic and inorganic chemistry is important in achieving good grades. This chapter introduces you to organic compounds, structural representation, classification, nomenclature, isomerism, purification of organic compounds, and quantitative analysis. If students cannot learn these concepts with the help of the NCERT textbook, they can download PDFs with solutions that are available online completely free. Topics covered in this chapter are- 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
Chapter- 13 Hydrocarbons
The scientific study of organic compounds' properties, structure, reactions, composition, and synthesis is called organic chemistry. It introduces students to concepts such as alkanes and their preparation from alkyl halides, carboxylic acids, and unsaturated hydrocarbons. Students will also discuss alkanes' physical and chemical properties as per the prescribed CBSE syllabus. As this chapter is important from the point of view of the exam, students need to focus very much on all the concepts and memorize them thoroughly to do well in the exam. Topics covered in this chapter are- Classification of hydrocarbons-
Alkanes: Nomenclature, isomerism, conformations (ethane only), physical properties, chemical reactions, including free radical mechanism of halogenation, combustion, and pyrolysis.
Alkenes: Nomenclature, geometrical isomerism, the structure of double bond (ethene), methods of preparation, physical properties; chemical reactions: addition of halogen, hydrogen, water, hydrogen halides (Markovnikov's addition and peroxide effect), ozonolysis, oxidation, mechanism of electrophilic addition.
Alkynes: Nomenclature, the structure of triple bond (ethyne), methods of preparation, physical properties, chemical reactions: acidic character of alkynes, addition reaction of – halogens, hydrogen, hydrogen halides, and water. Aromatic hydrocarbons: Introduction, IUPAC nomenclature; Benzene: resonance, aromaticity; chemical properties: mechanism of electrophilic substitution – nitration sulphonation, halogenation, Friedel Craft's alkylation, and acylation; directive influence of the functional group in mono-substituted benzene; carcinogenicity and toxicity
Chapter- 14 Environmental Chemistry
In this chapter, various concepts related to the environment, like water pollution, air pollution, soil pollution, and its reasons, are briefly explained. Students will also learn about using pesticides to reduce soil pollution and pollution control strategies such as waste disposal. By thoroughly studying this chapter, students will become familiar with the pollution that occurs in nature through our activities. Topics covered in this chapter are- Environmental pollution: Air, water, and soil pollution, chemical reactions in the atmosphere, smogs, 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; strategy for control of environmental pollution, green chemistry as an alternative tool for reducing pollution.
CBSE Marking Scheme 2022-23
The syllabus, as per the CBSE board, is divided into sections containing all concepts. Physics Wallah faculty thus explains the relationship between individual topics, which are more important. CBSE conducts examinations per the syllabus allotted at the end of each academic year. The aim is primarily to provide students with the ability to learn various concepts that are most important from the exam's point of view.
|1||Some Basic Concepts of Chemistry||7|
|2||Structure of Atom||9|
|3||Classification of Elements and Periodicity in Properties||6|
|4||Chemical Bonding and Molecular Structure||7|
|8||Organic Chemistry: Some basic Principles and Techniques||11|
Why NCERT Solutions for Class 11 Chemistry are important?
It is already known how typical NCERT books are. Many times students are unable to comprehend the language and topics mentioned. Easy solutions and notes which can completely resolve this issue, is none other than Physics Wallah solutions. We have bifurcated the complete solution into many segments. The NCERT solutions for class 11 chemistry are prepared in the neat, concise and easy readable study material. Students should not fear in any aspect of reading chemistry.
In general NCERT solutions for class 11 chemistry helps students to strengthen their basics. It is crucial for students to crack many of the national level entrance examinations. Whereas Physics Wallah through NCERT solutions for class 11 chemistry helps students to strengthen their logical understanding of the subject.
The complete set of NCERT solutions for class 11 chemistry are prepared under the guidance of experts. The sole aim of creating this study material is to ensure students do not miss any topic. We have formulated NCERT solutions for class 11 chemistry as per latest syllabus of NCERT. It is necessary for students to adopt a problem-solving approach. The faculties at Physics Wallah has years of experience.
How to Study NCERT Solutions for Class 11 Chemistry effectively?
We have trained students to adopt a unique strategy to solve critical questions. We have gone through the number of previous year question papers. In general NCERT books comprises of various unnecessary things. These things are many times not useful for examinations. Students looking forward to scoring top marks in their examination can always rely upon us.
The complete NCERT solutions for class 11 chemistry are designed in a very concise and simple manner. It is necessary for students to thoroughly go through solutions to clear their doubts. The complete set has been bifurcated into various segments. You can find complete NCERT solutions for class 11 chemistry divided into the number of chapters.
Why Physics Wallah is best for NCERT Solutions for class 11 chemistry?
Since our team deeply believes in serving education to the needy. We have provided NCERT solutions for class 11 chemistry for free on our website. All you need to do is to sign up with us. Students receiving chemistry solutions can completely rely upon this. Since it is regularly checked for any type of flaws.
The NCERT solutions for class 11 chemistry are the optimum source to revise the complete syllabus. Stringent guidance has been laid to prepare this study material. Study from subject experts by downloading NCERT Solutions for class 11 chemistry.
How to approach Physical chemistry to enhanced your learning
Physical chemistry in class 11 need two thinks one is understating the concept and its applications and second is numerical practising .Start the topic with NCERT book read the theory if required take the help of reference books.Read the theory from Physics Wallah class chemistry sections.
When you feel you have understood the chapter make the mind map of the chapter which consist of all important formula used in the chapters. Proceed to solve the NCERT exercise and take help from NCERT Solutions for Class 11 Chemistry. To solve subjective problem you can refer R.C.Mukherjee or P.Bhadur both are good books for numerical.
Start solving the solve questions take the help of solutions and then move to unsolved questions. Physics Wallah provided a free resource of physical chemistry solve the objective and subject questions from Physics Wallah to have better understanding of the chapter you can also go for chapter wise online test for physical chemistry.
How to approach Organic chemistry enhanced your learning
Chemistry in class 11 generally starts from the month of November. Start organic chemistry in class 11. One must have clear concept of chemical read the chemical bonding chapter revise it carefully before moving to organic chemistry.
NCERT books theory part of organic chemistry is awesome so read it carefully make your own notes and solve all questions of exercise and take help from NCERT Solutions for Class 11 Chemistry.Organic chemistry require thinking of how not with why so always try to find out the answer of how not why.
Take the help of reference book to enhanced your learning I.L. Finar vol-1 is good book for theory. Make you own notes do general organic chemistry very carefully understand the concept of inducting effect resonance and hyperconjugations start learning how to apply these concept in questions.
NCERT questions are good solve it by yourself make a short notes on important points. To help you while solving questions of exercise given in NCERT we have prepared detail step by step explanation of NCERT Solutions.
Frequently Asked Question (FAQs)
Q1. How to score good marks in class 11 chemistry with the help of the NCERT textbook?
Ans. Class 11 chemistry consist of equal weightage of all three parts of chemistry like physical chemistry, inorganic chemistry, and organic chemistry.
To score good marks you must give attention in all three parts and must-read the NCERT textbook while reading chapters from the NCERT textbook make sure you prepare your notes and work on numerals and basic concepts. Do solve sample papers and previous year asked questions.
Q2. What is the right approach to reading the NCERT class 11 chemistry Textbook?
Ans. The right approach starts with the strong foundation of the concepts and learning. NCERT textbook theory is sufficient to build strong conceptual learning for chemistry class 11.
Start your preparation of class 11 chemistry with the chapter -1 mole concept do solve questions given in the exercise and write down all formulas mentioned in the textbook for physical chemistry. Give more focus on the chemical bonding chapter and understand the concept of structure.
Q3. What are the right strategies to deal with inorganic chemistry?
Ans. Periodic table and its application are most important to become expert inorganic chemistry. NCERT textbook for Class 11 chemistry consists of few chapters of inorganic chemistry like s-block elements, p-block two-family, and hydrogen all these topics are to be done after a periodic table. Do prepare your notes for all these chapters will help you in the final revision.
Q4. Is NCERT class 11 chemistry text is enough for the competitive entrance exam?
Ans. Yes NCERT textbook is sufficient for JEE Main and NEET entrance exam although for JEE advance you need few reference books.
Q5. What are the most important chapters of class 11 chemistry?
Ans. Class 11 chemistry consist of a few fundamental chapters which are important for class 12 chemistry as well as for your class 11 chemistry final exam. Like in organic chemistry hydrocarbon is very important and it is highly important for class 12 organic chemistry.
All class 12 organic chemistry chapters are related to hydrocarbon. For inorganic chemistry chemical bonding and periodic table need to prepare very well. And in physical chemistry, one must have a very good concept in ionic equilibrium and thermodynamic and thermochemistry.
Q6. How NCERT solutions for class 11 chemistry help me to achieve my goal?
Ans. When you are in class 11 most of the students set there two-goal one is to score good marks in class 11 chemistry and second is to prepare for the competitive entrance exam. NCERT textbook will boost your preparation in both the exam it is highly helpful in class 11 chemistry exams of your school as well as beneficial for competitive exams.
Q7. Do we need to solve questions from NCERT Exemplar for class 11 chemistry?
Ans. Solving additional questions is always beneficial. NCERT exemplar consists of very good quality of questions that help you to enhance your learning in class 11 chemistry.
- chapter 1-Some Basic Concepts of Chemistry
- Chapter 2- Structure of atom
- chapter 3-Classi fication of Elements and Periodicity in Properties
- chapter 4-Chemical Bonding And Molecular Structure
- chapter 5-States Of Matter
- chapter 6- Thermodynamics
- chapter 7-Equilibrium
- chapter 8-Redox Reactions
- chapter 9- Hydrogen
- chapter 10-S-Block elements
- chapter 11-p-Block Elements
- chapter 12-Some Basic Principles and Techniques
- chapter 13- Hydrocarbons
- chapter 14- Environmental Chemistry