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QJEE MAIN 2025
Consider the following statements related to temperature dependence of rate constants. Identify the correct statements. A. The Arrhenius equation holds true only for an elementary...
JEE MainChemistryEasy
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QJEE MAIN 2023
The number of incorrect statement/s from the following is ______. A. The successive half-lives of zero order reactions decreases with time. B. A substance appearing...
JEE MainChemistryEasy
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QJEE MAIN 2023
For a chemical reaction A + B Product, the order is 1 with respect to A and B.
The correct reaction profile diagram for a positive catalyst reaction
JEE MainChemistryEasy
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QJEE MAIN 2023
The reaction $2 \mathrm{NO}+\mathrm{Br}_2 \rightarrow 2 \mathrm{NOBr}$ takes places through the mechanism given below: $\mathrm{NO}+\mathrm{Br}_2 \Leftrightarrow \mathrm{NOBr}_2$ (fast) $\mathrm{NOBr}_2+\mathrm{NO} \rightarrow 2 \mathrm{NOBr}$ (slow) The overall...
JEE MainChemistryMedium
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QJEE MAIN 2023
Consider the following reaction that goes from A to B in three steps as shown below:-
$A \rightarrow B$ The above reaction is of zero order. Half life of this reaction is 50 min. The time taken for the concentration...
JEE MainChemistryEasy
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QJEE MAIN 2023
A first order reaction has the rate constant, $\mathrm{k}=4.6 \times 10^{-3} \mathrm{~s}^{-1}$. The number of correct statement/s from the following is/are $\_\_\_\_$ . Given :...
JEE MainChemistryMedium
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QJEE MAIN 2023
For conversion of compound $\mathrm{A} \rightarrow \mathrm{B}$, the rate constant of the reaction was found to be $4.6 \times 10^{-5} \mathrm{~L} \mathrm{~mol}^{-1} s^{-1}$. The order...
JEE MainChemistryEasy
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QJEE MAIN 2023
An organic compound undergoes first order decomposition. If the time taken for the 60% decomposition is 540 s, then the time required for 90% decomposition...
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