NCERT Solutions for Class 11 Chemistry
NCERT books are known to build a strong foundation in every concept for the exams conducted by CBSE and class 11 is a preparation for the upcoming class 12 board exam. You can find all the important topics in NCERT text books for better understanding of students and teachers.
Byju’s brings you NCERT solutions for class 11 chemistry, being an important resource for students preparing for CBSE class 11 examinations. These solutions are prepared by experts and provide step by step explanations for all the exercise questions after every chapter. The solutions series includes solutions, test papers, which can help students score well and build a strong foundation for class 12.

Chapter wise Solutions For CBSE Class 11 Chemistry

Chapter 1 – Some Basic Concepts of Chemistry
Chapter 2 – Structure of Atom
Chapter 3 – Classification of Elements and Periodicity in Properties
Chapter 4 – Chemical Bonding and Molecular Structure
Chapter 5 – States of Matter: Gases and Liquids
Chapter 6 – Chemical Thermodynamics
Chapter 7 – Equilibrium
Chapter 8 – Redox Reaction
Chapter 9 – Hydrogen
Chapter 10 – s -Block Elements (Alkali and Alkaline Earth Metals)
Chapter 11 – Some p -Block Elements
Chapter 12 – Organic Chemistry – Some Basic Principles and Technique
Chapter 13 – Hydrocarbons
Chapter 14 – Environmental Chemistry

Chapter 8: Redox Reactions

1. Assign oxidation no. to the elements underlined: (i) NaH_2\underline{P}O_4 (ii) NaH\underline{S}O_{4} (iii) H_{4}\underline{P}_{2}O_{7} (iv) K_{2}\underline{Mn}O_{4} (v) Ca\underline{O}_{2} (vi) Na\underline{B}H_{4} ...
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Chapter 13: Hydrocarbons

Question 13.1: How do you explain for the generation of ethane through chlorination of methane? Answer 13.1: The process of ...
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Chapter 11: Some p- Block Elements

Q 11.1 Explain the variation pattern in oxidation states of (i) C to Pb (ii) B to Tl Ans: (i) ...
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Chapter 12: Organic Chemistry-Some Basic Principles and Techniques

Exercises Question 12.1: Mention the hybridisation states of each carbon atom in the following compounds CH2=C=O, CH3CH=CH2, (CH3)2CO, CH2=CHCN, C6H6 ...
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Chapter 4: Chemical Bonding and Molecular Structure

Q-1) Explain Chemical bond formation process. Ans.) “Chemical bond is an attractive force that bounds the constituents of a chemical ...
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Posts in category Ncert solution class 11 chemistry

Chapter 8: Redox Reactions

Chapter 8: Redox Reactions

1. Assign oxidation no. to the elements underlined: (i) (ii) (iii) (iv) (v) (vi) (vii) (viii)   Answer: (i)  Let x be the oxidation no. of P. Oxidation no. of Na = +1 Oxidation no. of H = +1 Oxidation no. of O = -2 Then, 1(+1) + 2(+1) + 1(x) + 4(-2) = 0 […]

Chapter 13: Hydrocarbons

Chapter 13: Hydrocarbons

Question 13.1: How do you explain for the generation of ethane through chlorination of methane?   Answer 13.1: The process of chlorination of methane works via a free radical chain mechanism. There are steps for this whole reaction. Step 1: Initiation: The result begins with the hemolytic cleavage of Cl – Cl bond as:  Step 2: […]

Chapter 11: Some p- Block Elements

Chapter 11: Some p- Block Elements

Q 11.1 Explain the variation pattern in oxidation states of (i) C to Pb (ii) B to Tl Ans: (i) C to Pb The electronic configuration of group 14 elements is ns2 np2. Hence, the most common oxidation state exhibited by them should be +4. On moving down the group, the +2 oxidation state becomes […]

Chapter 12: Organic Chemistry-Some Ba...

Chapter 12: Organic Chemistry-Some Basic Principles and Techniques

Exercises  Question 12.1: Mention the hybridisation states of each carbon atom in the following compounds CH2=C=O, CH3CH=CH2, (CH3)2CO, CH2=CHCN, C6H6   Answer 12.1: (i) C–1 is sp2 hybridised. C–2 is sp hybridised. (ii) C–1 is sp3 hybridised. C–2 is sp2 hybridised. C–3 is sp2 hybridised.   (iii) C–1 and C–3 are sp3 hybridised. C–2 is […]

Chapter 4: Chemical Bonding and Molec...

Chapter 4: Chemical Bonding and Molecular Structure

Q-1) Explain Chemical bond formation process. Ans.) “Chemical bond is an attractive force that bounds the constituents of a chemical species together.” So many theories are suggested for chemical bond formation such as valence shell electron pair repulsion theory, electronic theory, molecular orbital theory, and valence bond theory. Formation of chemical bond is credited to […]

Chapter 2: Structure of Atom

Chapter 2: Structure of Atom

Q.1. (a)Figure the quantity of electrons which will together measure one gram. (b)Compute the mass and charge of one mole of electrons. Ans: (a)Mass of one electron = Quantity of electrons that measure =1 Quantity of electrons that will measure 1 g () (b)Mass of one electron = Mass of one mole of electron = Charge […]

Chapter 9: Hydrogen

Chapter 9: Hydrogen

 Q 9.1  Explain on the general basis of electronic configuration – the actual position of hydrogen in periodic table. Ans: The 1st element in the periodic table is hydrogen. Hydrogen exhibits dual behaviour because it has only 1 electron on its one ‘S’ shell.(i.e.,) hydrogen resembles both halogens and alkali metals. Electronic configuration of hydrogen […]

Chapter 7: Equilibrium

Chapter 7: Equilibrium

Q.1. At a fixed temperature a liquid is in equilibrium with its vapour in a closed vessel. Suddenly, the volume of the vessel got increased. I)What will be the final vapour pressure and  what will happen when equilibrium is restored finally? II)Write down, how initially the rates of evaporation and condensation got changed?  III)Write down […]

Chapter 5: States of Matter: Gases an...

Chapter 5: States of Matter: Gases and Liquids

Q1. Calculate the minimum pressure required to compress 500 of air at 1 bar to 200 at ? Answer: Initial pressure, P1 = 1 bar Initial volume, V1 = 500 Final volume, V2 = 200 As the temperature remains same,the final pressure (P2) can be calculated with the help of Boyle’s law. Acc. Boyle’s law, P1V1 = P2V2 P2 = […]

Chapter 6: Chemical Thermodynamics

Chapter 6: Chemical Thermodynamics

Q-1: A thermodynamic state function is _______. 1. A quantity which depends upon temperature only. 2. A quantity which determines pressure-volume work. 3. A quantity which is independent of path. 4. A quantity which determines heat changes. Ans: (3) A quantity which is independent of path. Reason: Functions like pressure, volume and temperature depends on […]

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