NCERT Solutions for Class 11 Chemistry

NCERT Solutions for Class 11 Chemistry Download Chapter-wise PDF for 2022-23

NCERT Solutions for Class 11 Chemistry is a study material which is developed by the faculty at BYJU’S by keeping in mind the grasping power of Class 11 students. NCERT Solutions for Class 11 are drafted in a simple and understandable manner to help students ace the exam without fear. Chemistry is a subject which contains a lot of chemical reactions and symbols. It might be difficult for the students to remember all these concepts effectively if not revised on a regular basis. So, making use of proper study material is very important.

At BYJU’S, students can access chapter-wise NCERT Solutions for Class 11 to get their doubts clarified instantly. The faculty has provided both online and offline modes of solutions which can be used free of cost. The chapter-wise links of NCERT Solutions for Class 11 Chemistry are as follows:

From the NCERT Solutions at BYJU’S, students will clearly learn about all the chemical reactions which occur in our day-to-day activities. The solutions explain each and every minute concept in the best way possible so that students do not face any problem in the exam. It not only boosts their exam preparation, but also provides a strong foundation of fundamental concepts, which frequently appear in various competitive exams. Using these solutions, students will understand how to approach complex questions that would appear in the exam and answer them with confidence.

Download NCERT Solutions for Class 11 Chemistry PDF to revise all the concepts.

NCERT Solutions Class 11 Chemistry

NCERT Solutions for Class 11 Chemistry at BYJU’S is designed in such a way that students will be able to grasp all the concepts instantly. Each and every chemical reaction is explained with suitable examples and explanations in order to provide a quality learning experience for the students. For a student of Class 11, learning all the concepts from the NCERT Textbook would be a difficult task if they do not have a proper understanding of the concepts. The main objective of creating these solutions is to help students face the annual exam without fear. It not only enables logical and analytical thinking approach among students, but also helps them to attain good grades.

NCERT Solutions Class 11 Chemistry Chapter Details and Exercises

Chapter 1: Some Basic Concepts of Chemistry

This chapter explains the importance of chemistry, and concepts like molecular mass and atomic mass. A few basic theories and laws like Avogadro’s law, Dalton’s atomic theory and the law of conservation of mass are explained in brief in this chapter. You will also solve problems based on determining the molecular weight of compounds, mass percent and concentration. You will get a clear idea about the empirical and molecular formulae, molarity, molality and mole concept.

Topics Covered in Class 11 Chemistry Chapter 1 Some Basic Concepts of Chemistry :

General Introduction: Importance and scope of chemistry.
Historical approach to particulate nature of matter, laws of chemical combination, Dalton’s atomic theory: concept of elements, atoms and molecules.
Atomic and molecular masses. Mole concept and molar mass; percentage composition and empirical and molecular formula; chemical reactions, stoichiometry and calculations based on stoichiometry.

Also access the following resources for Class 11 Chapter 1 Some Basic Concepts of Chemistry at BYJU’S:

Chapter 2: Structure of Atom

Students will learn about Thomson’s atomic model, subatomic particles, Bohr’s model, Rutherford’s atomic model and quantum mechanical model of atom. Problems on relationship between frequency and wavelength, energy associated with electromagnetic radiation and subatomic particles are present in this chapter. You will get to know how to write the electron configurations and the electron transition in different shells which is important for the exam.

Topics Covered in Class 11 Chemistry Chapter 2 Structure of Atom :

Discovery of electron, proton and neutron; atomic number, isotopes and isobars. Thomson’s model and its limitations, Rutherford’s model and its limitations, Bohr’s model and its limitations, concept of shells and subshells, dual nature of matter and light, de Broglie’s relationship, Heisenberg uncertainty principle, 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 completely filled orbitals.

Also access the following resources for Class 11 Chapter 2 Structure of Atom at BYJU’S:

Chapter 3: Classification of Elements and Periodicity in Properties

From the exam point of view, classification of elements is very important. Most of the questions in the final exam and various competitive exams appear from this chapter. So learning all the concepts from this chapter is important. From this chapter, students will also learn about the s-block, p-block, d-block and f-block elements from the periodic table, trends in physical and chemical properties and chemical reactivity. By learning this chapter thoroughly, students will obtain good score in the exam.

Topics Covered in Class 11 Chemistry Chapter 3 Classification of Elements and Periodicity in Properties :

Significance of classification, brief history of the development of periodic table, modern periodic law and the present form of periodic table, periodic trends in properties of elements – atomic radii, ionic radii, inert gas radii, ionization enthalpy, electron gain enthalpy, electronegativity, valence.

Also access the following resources for Class 11 Chapter 3 Classification of Elements and Periodicity in Properties at BYJU’S:

Chapter 4: Chemical Bonding and Molecular Structure

Chemistry is based on the things which we observe in our surroundings and is called the central science. The topics discussed in this chapter are – VSEPR Theory, Lewis structures, Valence Bond Theory, polar character of covalent bonds and hydrogen bonding. Students will learn how to draw Lewis dot symbols for molecules, atoms and polyatomic ions. The solutions at BYJU’S contain diagrams for each concept to provide visual learning experience for the students.

Topics Covered in Class 11 Chemistry Chapter 4 Chemical Bonding and Molecular Structure :

Valence electrons, ionic bond, covalent bond, bond parameters, Lewis structure, polar character of covalent bond, covalent character of ionic bond, valence bond theory, resonance, geometry of covalent molecules, VSEPR theory, concept of hybridization involving s, p and d orbitals and shapes of some simple molecules, molecular orbital theory of homonuclear diatomic molecules (qualitative idea only), hydrogen bond.

Also access the following resources for Class 11 Chapter 4 Chemical Bonding and Molecular Structure at BYJU’S:

Chapter 5: States of Matter

This chapter explains the intermolecular forces and how they affect the physical state of a substance. It deals with other concepts associated with gaseous and liquid states of matter. This is the main reason why this chapter is important for the exam. Students will be able to understand the Boyle’s Law, Charle’s Law, Gay Lussac’s Law and Avogadro Law which carry more marks as per the exam pattern. Problems on finding partial pressure, critical temperature and pressure, Van der Waals force and other intermolecular forces are present in this chapter.

Topics Covered in Class 11 Chemistry Chapter 5 States of Matter :

Three states of matter, intermolecular interactions, type of bonding, melting and boiling points, role of gas laws in elucidating the concept of the molecule, Boyle’s law, Charles’ law, Gay Lussac’s law, Avogadro’s law, ideal behaviour, empirical derivation of gas equation, Avogadro’s number, ideal gas equation, deviation from ideal behaviour, liquefaction of gases, critical temperature.
Liquid State – Vapour pressure, viscosity and surface tension (qualitative idea only, no mathematical derivations).

Also access the following resources for Class 11 Chapter 5 States of Matter at BYJU’S:

Chapter 6: Thermodynamics

It is a branch of science which explains the relationship between heat and the other energy forms. On the basis of exchange of matter and energy, thermodynamic systems are divided into three types – open, closed and isolated systems. Students will learn more about the concepts like terms in thermodynamics, applications, calorimetry, enthalpies, spontaneity and Gibbs energy change and equilibrium. The problems in the NCERT Solutions are answered in a systematic manner completely based on the latest syllabus of the CBSE board.

Topics Covered in Class 11 Chemistry Chapter 6 Thermodynamics :

Concepts of system, types of systems, surroundings, work, heat, energy, extensive and intensive properties, state functions.
First law of thermodynamics – internal energy and enthalpy, heat capacity and specific heat, measurement of ΔU and ΔH, Hess’s law of constant heat summation, enthalpy of bond dissociation,
combustion, formation, atomization, sublimation, phase transition, ionization, and dilution.
Introduction of entropy as a state function, free energy change for spontaneous and nonspontaneous process, equilibrium.

Also access the following resources for Class 11 Chapter 6 Thermodynamics at BYJU’S:

Chapter 7: Equilibrium

From this chapter, students will learn buffer solutions, equilibrium constant and the common ion effect. As this chapter contains a lot of concepts, a thorough understanding of each of them is important to perform well in the annual exam. The solutions contain clear cut explanations for each and every concept so that all the queries of the students are clarified. The concepts discussed in this chapter are – solid liquid equilibrium, applications of equilibrium constant, factors affecting equilibria, acids, bases and salts, buffer solutions etc.

Topics Covered in Class 11 Chemistry Chapter 7 Equilibrium:

Equilibrium in physical and chemical processes, dynamic nature of equilibrium, law of mass action, equilibrium constant, factors affecting equilibrium – Le Chatelier’s principle; ionic equilibrium – ionization of acids and bases, strong and weak electrolytes, degree of ionization, concept of pH. Hydrolysis of salts (elementary idea), buffer solutions, solubility product, common ion effect (with illustrative examples).

Also access the following resources for Class 11 Chapter 7 Equilibrium at BYJU’S:

Chapter 8: Redox Reactions

The fact here is that the field of electrochemistry deals with the redox reactions. It is important for the students to learn this chapter in order to score good marks in the final exam. Students will get questions based on the classical idea of redox reaction, redox reactions in terms of electron transfer reactions, oxidation number and electrode processes. Students are recommended to first complete the entire chapter using the NCERT textbook prescribed by the CBSE board.

Topics Covered in Class 11 Chemistry Chapter 8 Redox Reaction :

Concept of oxidation and reduction, redox reactions, oxidation number, balancing redox reactions, applications of redox reactions.

Also access the following resources for Class 11 Chapter 8 Redox Reactions at BYJU’S:

Chapter 9: Hydrogen

Hydrogen is the lightest element with one electron and proton. The most abundant element in the entire universe is dihydrogen. Hydrogen is an important element which makes up 80% of the entire mass of the universe. It is very important for the students to know about this element in order to secure good marks in the final exam. Students will also learn about preparation and properties of dihydrogen and its applications in our daily life. It might be difficult for the students to grasp all these concepts at a stretch, so making use of a perfect study material will help you through it.

Topics Covered in Class 11 Chemistry Chapter 9 Hydrogen :

Position of hydrogen in periodic table, occurrence, isotopes, preparation, properties and uses of hydrogen; hydrides – ionic, covalent and interstitial; physical and chemical properties of water, heavy water; hydrogen peroxide – preparation, reactions and structure; hydrogen as a fuel.

Also, access the following resources for Class 11 Chapter 9 Hydrogen at BYJU’S:

Chapter 10: The s-Block Elements

Students will learn about the Alkali metals and Alkaline earth metals which are the group 1 and group 2 in the periodic table. Some of the concepts like physical and chemical properties of s-block elements, general characteristics of compounds and about important compounds like calcium. The biological importance of calcium and magnesium is also explained clearly in this chapter. Periodic table and the elements present in them is a hot topic in the exam perspective. For this reason, students are highly recommended to learn all these concepts thoroughly to score well.

Topics Covered in Class 11 Chemistry Chapter 10 The s-Block Elements :

Group 1 and Group 2 elements:
General introduction, electronic configuration, occurrence, anomalous properties of the first element of each group, diagonal relationship, trends in the variation of properties (such as ionization enthalpy, atomic and ionic radii), trends in chemical reactivity with oxygen, water, hydrogen and halogens; uses.

Preparation and properties of some important compounds:
Sodium carbonate, sodium chloride, sodium hydroxide and sodium hydrogen carbonate, biological importance of sodium and potassium. CaO, CaCO3, and industrial use of lime and limestone, biological importance of Mg and Ca.

Also access the following resources for Class 11 Chapter 10 The s-Block Elements at BYJU’S:

Chapter 11: The p-Block Elements

The elements present between the 13th and 18th group are called the p-block elements. As this chapter has a lots of concepts, it is very important for the students to revise it regularly. Students will get a gist of the p-block elements, where the last electron enters or is found on the p-subshell. Some of the concepts which you will learn in this chapter are – boron family, important compounds of boron, uses of aluminium and boron, carbon family, allotropes of carbon and important compounds of silicon and carbon.

Topics Covered in Class 11 Chemistry Chapter 11 The p-Block Elements :

General Introduction to p-Block Elements
Group 13 elements: General introduction, electronic configuration, occurrence, variation of properties, oxidation states, trends in chemical reactivity, 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, electronic configuration, occurrence, variation of properties, oxidation states, trends in chemical reactivity, anomalous behaviour of first element. Carbon – catenation, allotropic forms, physical and chemical properties; uses of some important compounds: oxides.
Important compounds of silicon and a few uses: silicon tetrachloride , silicones, silicates and zeolites.

Also access the following resources for Class 11 Chapter 11 The p-Block Elements at BYJU’S:

Chapter 12: Organic Chemistry – Some Basic Principles and Techniques

When it comes to exam preparation, both organic and inorganic chemistry plays an important role in attaining good marks. This chapter will introduce you to concepts such as organic compounds, structural representation, classification, nomenclature, isomerism, purification of organic compounds and quantitative analysis. If students are not able to learn these concepts using the NCERT textbook they can download the PDF of solutions which are available online for absolutely free of cost.

Topics Covered in Class 11 Chemistry Chapter 12 Organic Chemistry – Some Basic Principles :

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 hyper conjugation.
Homolytic and heterolytic fission of a covalent bond: free radicals, carbocations, carbanions; electrophiles and nucleophiles, types of organic reactions

Also access the following resources for Class 11 Chapter 12 Organic Chemistry – Some Basic Principles and Techniques at BYJU’S:

Chapter 13: Hydrocarbons

The scientific study of properties, structure, reactions, composition and synthesis of organic compounds is called organic chemistry. It teaches the students about concepts like alkanes and its preparation from alkyl halides, unsaturated hydrocarbons and carboxylic acids. Students will also learn about the physical and chemical properties of alkanes as per the prescribed CBSE syllabus. As this chapter is important from the exam point of view, students must highly concentrate on all the concepts and memorise it thoroughly to perform well in the exam.

Topics Covered in Class 11 Chemistry Chapter 13 Hydrocarbons :

Classification of hydrocarbons
Alkanes: Nomenclature, isomerism, conformations (ethane only), physical properties, chemical reactions including free radical mechanism of halogenation, combustion and pyrolysis.
Alkenes: Nomenclature, structure of double bond (ethene), geometrical isomerism, physical properties, methods of preparation; chemical reactions: addition of hydrogen, halogen, water, hydrogen halides (Markovnikov’s addition and peroxide effect), ozonolysis, oxidation, mechanism of electrophilic addition.
Alkynes: Nomenclature, structure of triple bond (ethyne), physical properties, methods of preparation, chemical reactions: acidic character of alkynes, addition reaction of – hydrogen, halogens, 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 functional group in mono-substituted benzene; carcinogenicity and toxicity

Also access the following resources for Class 11 Chapter 13 Hydrocarbons at BYJU’S:

Chapter 14: Environmental Chemistry

Various concepts which are related to environment like water pollution, atmospheric pollution, soil pollution and its reasons are explained briefly in this chapter. Along with this students will also learn about the use of pesticides to reduce soil pollution and strategies to control pollution like waste disposal. By learning this chapter thoroughly, students will get to know about the pollution occurring in nature by our activities.

Topics Covered in Class 11 Chemistry Chapter 14 Environmental Chemistry :

Environmental pollution : Air, water and soil pollution, chemical reactions in atmosphere, smogs, major atmospheric pollutants; acid rain, ozone and its reactions, effects of depletion of ozone layer, greenhouse effect and global warming – pollution due to industrial wastes; green chemistry as an alternative tool for reducing pollution, strategy for control of environmental pollution.

Also access the following resources for Class 11 Chapter 14 Environmental Chemistry at BYJU’S:

In the NCERT Textbook of Chemistry, there are about 14 chapters which contains various concepts which are crucial for the exam. It might be difficult for the students to remember all the chemical formulas and reactions during the final exam so regular practise is necessary. To understand the syllabus students can make use of the NCERT Class 11 Books from BYJU’S.

Features of NCERT Solutions for Class 11 Chemistry

The NCERT Solutions for Class 11 Chemistry provided by BYJU’S features:

  • Brief explanations are provided for each question.
  • The numerical equations are solved in a step wise manner.
  • The answers are clear cut and precise completely based on the CBSE syllabus.
  • Subject matter experts design the solutions after conducting a vast research.
  • PDFs are available with a free download option.

Note: CBSE Class 11 Chemistry students can bookmark this page in their browser to easily access NCERT Solutions for Class 11 Chemistry in the future.

CBSE Marking Scheme 2022-23

The entire syllabus as per CBSE board is divided portions containing all the concepts divided equally. By doing this, the faculty explain the relationship between the various topics which are of higher importance. At the end of each academic year, the CBSE conducts exams in accordance to the syllabus allotted for each year. This mainly aims to provide students an ability to learn the various concepts that are crucial from the exam perspective.

Sl. No. Unit Marks
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
5 Chemical Thermodynamics 9
6 Equilibrium 7
7 Redox Reactions 4
8 Organic Chemistry: Some basic Principles and Techniques 11
9 Hydrocarbons 10
Total 70

Toppers Prefer BYJU’S NCERT Solutions. Here’s Why…

The highly experienced subject experts at BYJU’S design the solutions with the aim of helping students ace the exams. The solutions contain explanations in simple language so that students can grasp the concepts effectively. Students can rely on these concepts as they strictly follow the NCERT Class 11 Chemistry Syllabus. The solutions offered by BYJU’S give students the competitive edge by meeting the following criteria:

1. The solutions are created by the best faculty in the respective field

The highly qualified academic tutors design the solutions with the main objective of providing the best educational content to the students across the country. The solutions are very elaborate so that students get all their doubts cleared instantly.

2. Helps students answer complex questions

The explanatory solutions provided by the experts at BYJU’S are student friendly. The complex questions and numericals are solved in a step wise manner in order to make students grasp the method of solving them. The solutions are concept focused, which in turn, provides a strong foundation of fundamental concepts which would help students in their future studies.

3. Best study material for revision purpose

Among the various study materials available online, students can refer to the NCERT Solutions at BYJU’S to speed up their exam preparation. All the concepts are covered in the solutions so that students do not miss any concept which is important for the exam. From theory questions to numerical problems, the NCERT Solutions provides the best knowledge to the students.

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Frequently Asked Questions on NCERT Solutions for Class 11 Chemistry

Is the NCERT Solutions for Class 11 Chemistry free of cost?

Yes, the students can access the NCERT Solutions for Class 11 Chemistry for free from BYJU’S. Both online and offline study materials are available with a free download option, which can be used by the students based on their needs. The PDFs contain detailed and accurate solutions for all the questions present in the NCERT textbook. These solutions also improve confidence among students and help them to face the exam without fear.

Can I get my doubts clarified using the NCERT Solutions for Class 11 Chemistry at BYJU’S?

Yes, you can get your doubts clarified using the NCERT Solutions for Class 11 Chemistry at BYJU’S. The experts have created the solutions based on the understanding abilities of students. Each and every step is explained in a simple language to boost the exam preparation of students. The solutions are completely based on the CBSE syllabus and marks weightage allotted for each step. Using these solutions will mainly improve the problem-solving skills among students, which is very important in answering complex questions which appear in the exams.

How many chapters are present in the NCERT Solutions for Class 11 Chemistry?

There are about 14 chapters in the NCERT Solutions for Class 11 Chemistry. The solutions at BYJU’S provide in-depth knowledge among students in answering logical reasoning questions. Theoretical questions contain accurate and to the point solutions to help students grasp the concepts easily. Top notch subject experts create these solutions to help students improve their academic performance. The PDF format of solutions contains a free download option, which enables students to learn new concepts without any time limits.

Is the NCERT Solutions for Class 11 Chemistry the best study material for chapter revision?

The NCERT Solutions for Class 11 Chemistry PDF offered at BYJU’S are concept focused rather than question focused. It can be used by the students to revise the important concepts which are covered under each chapter. Numerical problems are solved in a step wise manner with explanations in a simple language to help students understand the method of answering them easily. Important formulas and chemical reactions are highlighted in the solutions, which makes it hassle free for the students during revision.

 

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