NCERT Solutions for Class 11 Chemistry

Download Chapter wise NCERT Solutions For Class 11 Chemistry

NCERT Solutions for Class 11 Chemistry is a study material which is developed by the faculty at BYJU’S by keeping in mind the understanding capacity of Class 11 students. NCERT Solutions 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 a proper study material to solve this need is very important.

At BYJU’S, students can access chapter wise solutions to get their doubts clarified instantly. The faculty have provided both online and offline mode 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 a best way possible so that students do not face any problem in the exam. It not only boost 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 arise in the exam and answer them with confidence.

Download NCERT Solutions for Class 11 Chemistry 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 students will be able to grasp all the concepts instantly. Each and every chemical reaction is explained with suitable examples and explanation 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 remarkable grades.

NCERT Solutions Class 11 Chemistry Chapter Details and Exercises

Chapter 1: Some Basic Concepts of Chemistry – Term I

This chapter explains students about the importance of chemistry, molecular mass and atomic mass. Few basic theories and laws like Avogadro’s law, Dalton’s atomic theory and the law of conservation of mass are explained in brief under 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 for First Term:

Some Basic Concepts of Chemistry: General Introduction: Importance and scope of Chemistry. Atomic and molecular masses, mole concept and molar mass, percentage composition, 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:

• CBSE Class 11 Notes Chapter 1 – Some Basic Concepts of Chemistry
• Chemistry Revision Notes for Class 11 Chapter 1 Some Basic Concepts of Chemistry
• NCERT Exemplar Class 11 Chemistry Solutions for Chapter 1 – Some Basic Concepts Of Chemistry Solutions
• Important Questions for Class 11 Chemistry Chapter 1 Some Basic Concepts of Chemistry

Chapter 2: Structure of Atom – Term I

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 for First Term:

Structure of Atom: 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’s 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:

• Structure Of Atom Class 11 Notes
• Chemistry Revision Notes for Class 11 Chapter 2 Structure of Atom
• NCERT Exemplar Class 11 Chemistry Solutions for Chapter 2 – Structure of Atom

Chapter 3: Classification of Elements and Periodicity in Properties – Term I

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 for First Term:

Classification of Elements and Periodicity in Properties: 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, valency. Nomenclature of elements with atomic number greater than 100.

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

• Classification of Elements and Periodicity in Properties Class 11 Notes – Chapter 3
• Chemistry Revision Notes for Class 11 Chapter 3 Classification of Elements and Periodicity in Properties
• Important Questions Chemistry Class 11 Chapter 3 Classification of Elements and Periodicity in Properties
• NCERT Exemplar Class 11 Chemistry Solutions for Chapter 3 – Classification of Elements and Periodicity in Properties

Chapter 4: Chemical Bonding and Molecular Structure – Term I

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 for First Term:

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:

• Chemical Bonding Class 11 Notes
• NCERT Exemplar Class 11 Chemistry Solutions for Chapter 4 – Chemical Bonding and Molecular Structure

Chapter 5: States of Matter – Term II

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 carries 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 for Second Term:

States of Matter: Gases and Liquids: Three states of matter, intermolecular interactions, types 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 and deviation from ideal behaviour.

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

• States Of Matter Class 11 Notes – Chapter 5
• NCERT Exemplar Class 11 Chemistry Solutions for Chapter 5 – States of Matter

Chapter 6: Thermodynamics – Term II

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 system. 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 for Second Term:

Chemical Thermodynamics: Concepts of System and types of systems, surroundings, work, heat, energy, extensive and intensive properties, state functions.
First law of thermodynamics -internal energy and enthalpy, measurement of U and H, Hess’s law of constant heat summation, enthalpy of bond dissociation, combustion, formation, atomization, sublimation, phase transition, ionization, solution and dilution. Second law of Thermodynamics (brief introduction)
Introduction of entropy as a state function, Gibb’s energy change for spontaneous and nonspontaneous processes.
Third law of thermodynamics (brief introduction).

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

• Thermodynamics Class 11 Notes – Chapter 6
• NCERT Exemplar Class 11 Chemistry Solutions for Chapter 6 – Thermodynamics

Chapter 7: Equilibrium – Term II

From this chapter, students will learn buffer solutions, equilibrium constant and the common ion effect. As this chapter contains a lot of concepts, 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 for Second Term:

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,
ionization of poly basic acids, acid strength, concept of pH, buffer solution, solubility product,
common ion effect (with illustrative examples).

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

• NCERT Exemplar Class 11 Chemistry Solutions for Chapter 7 – Equilibrium
• Equilibrium Class 11 Notes – Chapter 7

Chapter 8: Redox Reactions – Term I

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 for First Term:

Redox Reactions:
Concept of oxidation and reduction, redox reactions, oxidation number, balancing redox reactions, in terms of loss and gain of electrons and change in oxidation number.

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

• Redox Reactions Class 11 Notes – Chapter 8
• NCERT Exemplar Class 11 Chemistry Solutions for Chapter 8 – Redox Reactions

Chapter 9: Hydrogen – Term I

Hydrogen is the lightest element with one electron and proton. The 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 for First Term:

Hydrogen: Position of hydrogen in periodic table, occurrence, isotopes, hydrides-ionic covalent and
interstitial; physical and chemical properties of water, heavy water, hydrogen as a fuel.

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

• Hydrogen Class 11 Notes – Chapter 9
• NCERT Exemplar Class 11 Chemistry Solutions for Chapter 9 – Hydrogen
• Chemistry Revision Notes for Class 11 Chapter 9 Hydrogen

Chapter 10: The s-Block Elements – Term II

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 an hot topic from 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 for Second Term:

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.

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

• The s-Block Elements Class 11 Notes – Chapter 10
• NCERT Exemplar Class 11 Chemistry Solutions for Chapter 10 – The S Block Elements

Chapter 11: The p-Block Elements – Term II

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 for Second Term:

Some 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.
Group 14 Elements: General introduction, electronic configuration, occurrence, variation of properties, oxidation states, trends in chemical reactivity, anomalous behaviour of first elements.
Carbon-catenation, allotropic forms, physical and chemical properties.

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

• What Are P-Block Elements?
• The p-Block Elements Class 11 Notes – Chapter 11
• NCERT Exemplar Class 11 Chemistry Solutions for Chapter 11 – The P Block Elements

Chapter 12: Organic Chemistry – Some Basic Principles and Techniques – Term I

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 for First Term:

Organic Chemistry: Some basic Principles and Techniques: General introduction, classification and IUPAC nomenclature of organic compounds. Electronic displacements in a covalent bond: inductive effect, electrometric 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:

• NCERT Exemplar Class 11 Chemistry Solutions for Chapter 12 – Organic Chemistry Solutions Some Basic Principles and Techniques
• Chemistry Revision Notes for Class 11 Chapter 12 Organic Chemistry – Some Basic Principles and Techniques

Chapter 13: Hydrocarbons – Term II

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 for Second Term:

Hydrocarbons: Classification of Hydrocarbons Aliphatic Hydrocarbons:
Alkanes – Nomenclature, isomerism, conformation (ethane only), physical properties, chemical reactions.
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 monosubstituted benzene. Carcinogenicity and toxicity.

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

• Hydrocarbons Class 11 Notes – Chapter 13
• Chapter 13 – Hydrocarbons
• NCERT Exemplar Class 11 Chemistry Solutions for Chapter 13 – Hydrocarbons

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.

• Environmental Chemistry Class 11 Notes – Chapter 14
• NCERT Exemplar Class 11 Chemistry Solutions for Chapter 14 – Environmental Chemistry Solutions

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 2021-22

The entire syllabus as per CBSE board is divided into 2 terms containing 50% of the syllabus. By doing this, the faculty explain the relationship between the various topics which are of higher importance. At the end of each term, the CBSE conducts term wise exams in accordance to the syllabus allotted for each term. This mainly aims to provide students an ability to learn the various concepts that are crucial from the exam perspective.

Term I CBSE Class 11 Chemistry Syllabus Course Structure 2021-22

Term II CBSE Class 11 Chemistry Syllabus Course Structure 2021-22

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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