NCERT Solutions for Class 11 Chemistry Chapter 9 Hydrogen NCERT Class 11 Chemitry Textbook Questions Solved Question 1. Justify the position of hydrogen in the periodic table on the basis of its electronic configuration. Answer: Hydrogen has been placed at the top of the alkali metal in group, but it is not a member of…
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NCERT Solutions for Class 11 Chemistry Chapter 8 Redox Reactions Class 11 Chemistry NCERT Solutions Chapter 8 Question 1. Assign oxidation number to the underlined elements in each of the following species: Answer: Question 2. What are the oxidation number of the underlined elements in each of the following and how do you…
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NCERT Solutions for Class 11 Chemistry Chapter 7 Equilibrium NCERT TEXTBOOK QUESTIONS SOLVED Question 1. A liquid is in equilibrium with its vapours in a sealed container at a fixed temperature. The volume of the container is suddenly increased, (i) What is the initial effect of the change on the vapour pressure? (ii) How…
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NCERT Solutions for Class 11 Chemistry Chapter 6 Thermodynamics NCERT Class 11 Chemistry Textbook QUESTIONS SOLVED Question 1. Choose the correct answer: A thermodynamic state junction is a quantity (i) used to determine heat changes (ii) whose value is independent of path (iii) used to determine pressure volume work (iv) whose value depends on…
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NCERT Solutions for Class 11 Chemistry Chapter 5 States of Matter NCERT TEXTBOOK QUESTIONS SOLVED Question 1. What will be the minimum pressure required to compress 500 dm3 of air at 1 bar to 200 dm3 at 30°C? Answer: P1 = 1 bar,P2 = ? V1= 500 dm3 ,V2=200 dm3 As temperature…
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NCERT Solutions for Class 11 Chemistry Chapter 4 Chemical Bonding and Molecular Structure NCERT TEXTBOOK QUESTIONS SOLVED Question 1. Explain the formation of a chemical bond. Answer: According to Kossel and Lewis, atoms combine together in order to complete their respective octets so as to acquire the stable inert gas configuration. This can occur in…
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NCERT Solutions for Class 11 Chemistry Chapter 3 Classification of Elements and Periodicity in Properties NCERT TEXTBOOK QUESTIONS SOLVED Question 1. What is the basic theme of organisation in the periodic table? Answer: The basic theme of organisation of elements in the periodic table is to simplify and systematize the study of the properties of…
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NCERT Solutions for Class 11 Chemistry Chapter 2 Structure of Atom Question 1. (i) Calculate the number of electrons which will together weigh one gram. (ii) Calculate the mass and charge of one mole of electrons. Answer: (i) Mass of an electron = 9.1 × 10-28 g 9.1 × 10-28 g is the mass…
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NCERT Solutions for Class 11 Chemistry Chapter 1 Some basic Concepts of Chemistry NCERT TEXTBOOK QUESTIONS SOLVED Question 1. Calculate the molecular mass of the following: (i) H20(ii) C02(iii) CH4 Answer: (i) Molecular mass of H2O = 2(1.008 amu) + 16.00 amu=18.016 amu (ii) Molecular mass of CO2= 12.01 amu + 2 x 16.00 amu = 44.01 amu (iii) Molecular…
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NCERT Solutions for Class 11 Chemistry Chapter 1 Some Basic Concepts of Chemistry Chapter 2 Structure of The Atom Chapter 3 Classification 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…
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