# NCERT Solutions for Class 11 Chemistry

NCERT Solutions for Class 11 Chemistry - The science of molecules and their transformations is called Chemistry. It has made an intense impact on society as it is directly linked to the well-being of humankind. Also, it is a scoring subject in boards and competitive exams compared to maths and physics and here you will get NCERT solutions for class 11 chemistry. The structure of the NCERT class 11 chemistry textbook is presented in two parts, with a total of 14 units out of which 7 units are in one part and 7 units in other. Fourteen units of NCERT class 11 chemistry covers several concepts of physical, organic and inorganic chemistry. In class 11 NCERT books you will be introduced with physical chemistry first then you will read some important concepts of inorganic chemistry and finally, you will get a taste of organic chemistry.

Class 11 is very important in the sense that it builds your basics which will help you in your class 12, so it is advised to not leave your doubts pending. Solve all the problems of the NCERT books and if you are stuck somewhere we will help you by providing free solutions to all the NCERT problems. We are providing CBSE NCERT solutions for class 11 Chemistry which are prepared by subject experts. The NCERT solutions cover all the important topics in detail. The aim of the solutions of NCERT class 11 chemistry is to develop a basic understanding of the concepts by the students.

These CBSE NCERT solutions for class 11 chemistry help students both in the preparation of CBSE Class 11 exams as well in competitive exams like NEET, JEE Mains, VITEEE, BITSAT, etc. The NCERT solutions for class 11 chemistry, designed by our physical, inorganic and organic chemistry experts to help students in solving conceptual and numerical problems of class 11 NCERT textbooks and these solutions od NCERT have a detailed step-by-step explanation of textbook problems. Class 11 forms the building blocks for the students going to their 12th grade. By referring to the NCERT solutions for class 11, students can understand all the important concepts and practice questions well enough before their examination. You could find all the free solutions of NCERT on this website or you can download them for studying offline.

CBSE Class 11 Marks Distribution of Chemistry-

 Unit Title Marks 1 Some Basic Concepts of chemistry 11 2 Structure of Atom 3 Classification of Elements and Periodicity in Properties 04 4 Chemical Bonding and Molecular Structure 21 5 States of Matter 6 Thermodynamics 7 Equilibrium 8 Redox Reactions 16 9 Hydrogen 10 The s-Block Elements 11 The p-Block Elements 12 Organic chemistry – Some Basic Principles and Techniques 18 13 Hydrocarbons 14 Environmental chemistry Total 70

## Brief Introduction to CBSE NCERT Solutions for Class 11 Chemistry:-

Chapter 1 of chemistry book has 36 questions. The solutions to all the exercises are given here and the solutions are free. This unit explains the importance of chemistry in our daily life. This unit briefs about fundamental concepts of the subject like – states of matter, Classification of matter, properties of matter and their measurement like mass and weight, volume, density, temperature. This chapter further explains an atomic theory, the law of chemical combinations, chemical reactions, the law of dilution, Stoichiometry, the mixture of acids and bases, normality, the law of chemical equivalence, etc.

Solutions of NCERT class 11 chemistry chapter 2 Structure of Atom The NCERT class 11 chapter 2 has a total of 67 questions. You will find all the solutions to your problems here. This unit deals with the various advancements being made to explain different atomic models which gave a modern structure of atoms. In this unit, students will get to know about the discovery of fundamental particles like electron, proton, and neutrons. Students will also study what isobars, isotopes, atomic numbers, etc is. There are also topics like Pauli's exclusion principle and Hund's rule which are also discussed in this unit.

CBSE NCERT solutions for class 11 chemistry chapter 3  Classification of Elements and Periodicity in Properties- In this chapter students will learn about the history of periodic table and development of the periodic law and the periodic table. The old periodic table or Mendeleev's periodic table was arranged elements based on atomic masses. The modern periodic table arranges the elements based on their atomic numbers. In the periodic table, periodic trends are observed in ionization enthalpies, atomic sizes, electron gain enthalpies, electronegativity and valence. This chapter has a total of 40 questions the solutions to which can be downloaded by clicking the above link.

NCERT solutions for class 11 chemistry chapter 4  Chemical Bonding and Molecular Structure- In solutions of NCERT class 11 chemistry chapter 4 you will be introduced with various types of bondings between molecules. This chapter deals with concepts like what is ionic bond, what is a covalent bond, the polar character of covalent bonds, valence electrons, VSEPR theory, Lewis structure, the concept of hybridization that involves s, d and p orbitals, the molecular orbital theory (MOT) of homonuclear diatomic molecules and more. There are a total of 40 questions in the exercise of the unit.

Solutions of NCERT class 11 chemistry chapter 5 States of Matter- As you know matter exists in 3 physical states- solid, liquid and gas. This unit deals with the two states of matter namely liquid state and gaseous state, the laws governing the behavior of ideal gases and properties associated with liquids. The important topics of this unit are intermolecular forces, thermal energy, the gaseous state, ideal gas equation, kinetic molecular theory of gases, liquid State and more. There are only 23 questions in this chapter but these are very important for the exam perspective.

CBSE NCERT solutions for class 11 chemistry chapter 6 Thermodynamics- In this chapter there are 22 questions and solutions are provided here free of cost. NCERT solutions for class 11 chemistry chapter 6 Thermodynamics deals with the changes in energy or transfer of energy in physical or chemical processes. This unit talks about the concepts of various systems and different types of systems, surroundings, heat, work, energy and intensive properties and extensive properties and state functions. The first law of thermodynamics, internal energy, enthalpy, the second law of thermodynamics, entropy, Gibbs energy will be discussed.

NCERT solutions for class 11 chemistry chapter 7 Equilibrium- In this chapter, there are 73 questions and it is really an important chapter for boards exam as well as competitive exams perspective. The chapter discusses the concept of equilibrium in chemical and physical processes and details about equilibrium's dynamic nature. There are some insights about the equilibrium constant, the law of mass action and what are the factors affecting the equilibrium state. Also, it tells about ionic equilibrium, ionization of bases and acids, weak and strong electrolytes, degree of ionization, and the concept of pH, etc

Solutions of NCERT class 11 chemistry chapter 8 Redox Reactions- By reading this chapter you will get to know how to balance a reaction. You will study the concept of reduction and oxidation in detail and various insights about the redox reactions. Also, you will explore oxidation number, balancing redox reactions, loss and gain of electrons, change in oxidation number and applications of redox reactions. In this unit, there are 30 questions in total and you will find all the solutions for your questions here. Click on the above link for CBSE NCERT solutions for class 11 chemistry chapter 8.

CBSE NCERT solutions for class 11 chemistry chapter 9 Hydrogen- You will be surprised to know that Hydrogen is the most abundant element in our universe and the 3rd most abundant element on the surface of the globe. In this unit, you will learn about hydrogen, its occurrence, its position in the periodic table. And also will learn about the isotopes of hydrogen, how they are prepared and its properties. The chapter has 36 questions and you will get all the free solutions here.

NCERT solutions for class 11 chemistry chapter 10 The s-Block Elements- This chapter talks about the s-block elements of the periodic table. In s-block, there are a total of two groups (1&2).  The elements of Group 1 are lithium(Li), sodium(Na), potassium(K), rubidium(Rb), caesium(Cs) and francium(Fr). The elements of Group 2 beryllium(Be), Magnesium(Mg), Calcium(Ca), Strontium(Sr), Barium(Ba) and Radium(Ra). In this unit, we will discuss the properties and preparation of important compounds of that element and also discuss some important trends in detail. The chapter has 32 questions.

Solutions of NCERT class 11 chemistry chapter 11 The p-Block Elements- In this unit, you will get to know the general introduction about p-block elements. In the periodic table, p-block elements are arranged in six groups which are 13, 14, 15, 16, 17, and 18. This unit covers only two groups 13 and 14, the rest groups will be covered in the class 12th chapter 7 The p-Block elements. In this unit, there are 38 questions in the exercise.

CBSE NCERT solutions for class 11 chemistry chapter 12 Organic chemistryIn this chapter, there are a total of 40 questions in the exercise and the free solutions are available here. Some Basic Principles and Techniques- In this unit, you will get to know about some basic principles and techniques of analysis which are required for understanding the properties and formation of organic compounds. And also discuss some basic concepts in reactivity and structure of organic compounds, which are formed due to the covalent bonding.

NCERT solutions for class 11 chemistry chapter 13 Hydrocarbons- This chapter has 25 questions and the solutions of NCERT class 11 chemistry chapter 13 are available here. This unit talks about the classification of hydrocarbons, its properties, reactions, and use. Hydrocarbon means the compounds of hydrogen and carbon only. Hydrocarbons are an important source of energy. In this unit, you will get to know about aliphatic hydrocarbons-alkanes, alkenes and alkynes, their IUPAC nomenclature, chemical reactions, and physical properties.

Solutions of NCERT class 11 chemistry chapter 14 Environmental chemistry- This unit focus on environmental chemistry. Environmental chemistry is a branch of chemistry which deals with the chemical change, transport reactions, effects and fates of chemical species in the environment. In this unit, you will get to know about environmental pollution related to the water, soil, and air, cause of smog, depletion of the ozone layer, global warming, greenhouse effect, etc. There are a total of 20 questions in this chapter.

## NCERT Solutions for Class 11 Subject-Wise

 NCERT solutions for class 11 biology NCERT solutions for class 11 maths NCERT solutions for class 11 physics

Class Wise NCERT Solutions for Other Classes

NCERT solutions for class 12

Benefits of NCERT Solutions for Class 11 Chemistry

• These NCERT solutions are very easy to understand as they are solved in the step-by-step method.

• It gives you in-depth knowledge of the concepts and chapters also these will help you in various competitive exams.

• These NCERT solutions for class 11 is not only helpful to score good marks in the exam but also it will build the fundamental of chemistry which will be good for your further studies.

• In solutions of NCERT for class 11 chemistry, logical approach and methodology are used to develop your logical thinking which is needed not only for chemistry but to study every subject.

Happy learning !!!