Month: February 2022

NCERT Solutions For CBSE Class 12 Chemistry Chapter 5 Surface Chemistry

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NCERT Solutions For CBSE Class 12 Chemistry Chapter 5 Surface Chemistry NCERT EXERCISES 5.1. Distinguish between the meaning of the terms adsorption and absorption. Give one example of each.Ans: This phenomenon of attracting and retaining the molecules of a substance by a solid (or a liquid) on its surface resulting into a higher concentration of the …

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NCERT Solutions For Class 12 Chemistry Chapter 4 Chemical Kinetics

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NCERT Solutions For Class 12 Chemistry Chapter 4 Chemical Kinetics NCERT EXERCISES Question 1. From the rate expression for the following reactions determine their order of reaction and the dimensions of the rate constants:Sol: Question 2. For the reaction ; 2A + B → A2B, the reaction rate = k [A][B]2 with k = 2·0 x …

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NCERT Solutions For Class 12 Chemistry Chapter 3 Electrochemistry

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NCERT Solutions For Class 12 Chemistry Chapter 3 Electrochemistry NCERT EXERCISES 3.1. Arrange the following metals in the order in which they displace each other from their salts.Al, Cu, Fe, Mg and ZnSol: Mg, Al, Zn, Fe, Cu. 3.2. Given the standard electrode potentials, K+/K=-2. 93 V, Ag+/Ag = 0.80 V, Hg2+/Hg =0.79V, Mg2+/Mg=-2.37V, Cr3+/Cr=0.74V.Arrange these …

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