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| Name | Chemical KInetics Class -12 / First order reaction / Zero order / Integrated rate law equation |
| Video Uploader | Video From TOMAR CHEMISTRY TUTORIAL |
| Upload Date | This Video Uploaded At 01-02-2023 13:30:10 |
| Video Discription | CHEMICAL KINETICS ZERO & FIRST ORDER (Integrated rate law equation) Previous Years Questions In activation energy for a simple Chemical reaction A→B is Ea in forward… [UPSEE 2018] A piece of wood from an archaeological sample has 5.0 counts min−1 per gram… [WBJEE 2014] If the kinetic energy of O2 gas is 4.0 kJmol−1, its RMS speed… [AP EAPCET 2019] A human body required the 0.01 M activity of radioactive substance after 24 h… [WBJEE 2001] In a reversible reaction, the energy of activation of the forward reaction is 50 kcal… [NEET 1996] Formula for half life of a zero order reaction is: Catalyst increase rate of reaction while photosensitizer initiate a reaction. Catalyst decrease E but photosensitizer act as energy carrier The minimum energy required for molecules to enter into a chemical reaction is called The effect of a catalyst in a chemical reaction is to change The Activation energy of a chemical reaction can be determined by… [NEET 1998] A first order reaction has a specific reaction rate of 10−2sec−1… [NEET 2017] In a reaction, A + B → Product, rate is doubled when the concentration of B is doubled… [NEET 2012] The plot of concentration of the reactant versus time for a reaction is a straight… [NEET 1996] The addition of a catalyst during a chemical reaction alters which of the following… [NEET 2016] Derive the expression of zero order reaction? The rate constant of the reaction is denoted by k. In a zero-order reaction, the rate constant is expressed as concentration/time or M/s, where 'M' is the molarity and 's' is one second. ∴ k = mol L–1 s–1 is the unit of rate constant. Examples of a Zero-Order Reaction Example 1: Haber Process The Haber process is defined as the process that produces ammonia from hydrogen and nitrogen gas. The exact opposite of this process (form nitrogen and hydrogen by the decomposition of ammonia) is known as the reverse Haber process which is an example of a zero-order reaction Example 2: Photochemical Reaction The Photochemical reaction is defined as the reaction of hydrogen with chlorine. Decomposition of nitrous oxide on a hot platinum surface. N2O → N2 + 1/2 O2 What is half life period? Derive and expression for half-life period in case of a zero order reaction. Time required to decrease the concentration of reactant to its half is called Half life of reaction. Derive and expression for half-life period in case of a first order reaction. Time required to decrease the concentration of reactant to its half is called Half life of reaction. Half-life of a 1st order reaction is independent of the initial amount. Give an example of the reaction of the 4th order The dissociation of potassium chlorate to form potassium perchlorate is an example of the reaction of 4th order. 4KClO3 → 3KClO4 + KCl What is the use of the integrated rate equation? Ans : Integrated rate equation are used to determine (i) The value of the rate constant (ii) order of a reaction |
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