Hi guys, This Falguni Vala from My Smart Class, in this video, I am going to teach you all about Class 11 Unit 7 Equilibrium Full Exercise Solution 7.1 to 7.73 NCERT Solution 2023 Hope you like it :) Thanks For Watching :) 7.1 A liquid is in equilibrium with its vapour in a sealed container at a fixed temperature. The volume of the container is suddenly increased. a) What is the initial effect of the change on vapour pressure? 7.2 What is Kc for the following equilibrium when the equilibrium concentration of each substance is: [SO2] = 0.60M, [O2] = 0.82M ... 7.3 At a certain temperature and total pressure of 105Pa, iodine vapour contains 40% by volume of I atoms.. 7.4 Write the expression for the equilibrium constant, Kc for each of the following reactions: (i) 2NOCl(g) ⇌ 2NO(g) + Cl2(g) 7.5 Find out the value of Kc for each of the following equilibria from the value of Kp: (i) 2NOCl(g) ⇌ 2NO(g) + Cl2(g); Kp = 1.8 × 10–2 at 500 K 7.6 For the following equilibrium, Kc= 6.3 × 1014 at 1000 K NO(g) + O3(g) ⇌ NO2(g) + O2(g) 7.7 Explain why pure liquids and solids can be ignored while writing the equilibrium constant expression? 7.8 Reaction between N2 and O2 takes place as follows: 2N2(g) + O2(g) ⇌ 2N2O(g) 7.9 Nitric oxide reacts with Br2 and gives nitrosyl bromide as per reaction given below: 2NO(g) + Br2(g) ⇌ 2NOBr(g) 7.10 At 450K, Kp = 2.0 × 1010/bar for the given reaction at equilibrium. 2SO2(g) + O2(g) ⇌ 2SO3(g) What is Kc at this temperature? 7.11 A sample of HI(g) is placed in flask at a pressure of 0.2 atm. At equilibrium the partial pressure of HI(g) is 0.04 atm. What is Kp for the given equilibrium? 2HI(g) ⇌ H2(g) + I2(g) 7.12 A mixture of 1.57 mol of N2, 1.92 mol of H2 and 8.13 mol of NH3 is introduced into a 20 L reaction vessel at 500 K. At this temperature, the equilibrium constant, Kc for the reaction N2(g) + 3H2(g) ⇌ 2NH3(g) is 1.7 × 102. Is the reaction mixture at equilibrium? If not, what is the direction of the net reaction? 7.13 The equilibrium constant expression for a gas reaction is, 𝐊_𝐂= ([𝐍𝐇_𝟑 ]^𝟒 [𝐎_𝟐 ]^𝟓)/([𝐍𝐎]^𝟒 [𝐇_𝟐 𝐎]^𝟔 ) Write the balanced chemical equation corresponding to this expression. 7.14 One mole of H2O and one mole of CO are taken in 10 L vessel and heated to 725 K. At equilibrium 40% of water (by mass) reacts with CO according to the equation, H2O(g) + CO(g) ⇌ H2(g) + CO2(g) Calculate the equilibrium constant for the reaction. 7.15 At 700 K, equilibrium constant for the reaction: H2(g) + I2(g) ⇌ 2HI(g) is 54.8. If 0.5 mol L–1 of HI(g) is present at equilibrium at 700 K, what are the concentration of H2(g) and I2(g) assuming that we initially started with HI(g) and allowed it to reach equilibrium at 700K? 7.16 What is the equilibrium concentration of each of the substances in the equilibrium when the initial concentration of ICl was 0.78 M ? 2ICl(g) ⇌ I2(g) + Cl2(g); Kc = 0.14 7.17 Kp = 0.04 atm at 899 K for the equilibrium shown below. What is the equilibrium concentration of C2H6... 7.18 Ethyl acetate is formed by the reaction between ethanol and acetic acid and the equilibrium is represented as: CH3COOH(l) + C2H5OH(l) ⇌ CH3COOC2H5(l) + H2O(l) (i) Write the concentration ratio (reaction quotient), Qc, for this reaction (note: water is not in excess and is not a solvent in this reaction)... 7.19 A sample of pure PCl5 was introduced into an evacuated vessel at 473 K. After equilibrium was attained, concentration of PCl5 was found to be... 7.20 One of the reaction that takes place in producing steel from iron ore is the reduction of iron(II) oxide by carbon monoxide to give iron metal and CO2... . . . . . 7.73 🎤 Used mic: https://amzn.to/2SGomkD http://fkrt.it/1fFUnENNNN Fair Use Notice: This channel may make use of copyrighted material the use of which has not always been specifically authorized by the copyright owner. This constitutes a 'fair use' of any such copyrighted material as provided for in section 107 of the US Copyright Law. In accordance with Title 17 U.S.C. Section 107, the material on this channel is offered publicly and without profit, to the public users of the internet for comment and nonprofit educational and informational purposes. Copyright Disclaimer Under Section 107 of the Copyright Act 1976, allowance is made for "fair use" for purposes such as criticism, comment, news reporting, teaching, scholarship, and research. Fair use is a use permitted. No copyright(s) is/are claimed. The content is broadcasted for Study, Research and Educational purposes. The broadcaster gains no profit from broadcasted content, so it falls under "Fair Use" guidelines: vw.copyright.gov/fls/fll02.html