26 JEE Main 2021 Chemical Kinetics previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2021 previous-year questions from the Chemical Kinetics chapter of Chemistry. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Chemical Kinetics chapter hub.
The decomposition of formic acid on gold surface follows first order kinetics. If the rate constant at 300   K is…
For the reaction, aA + bB → cC + dD , the plot of log   k v/s 1   T is given below: The temperature at…
N 2 O 5 (   g ) → 2 NO 2 (   g ) + 1 2 O 2 (   g ) In the above first order reaction the initial c…
2 NO ( g ) + Cl 2 (   g ) ⇌ 2 NOCl ( s ) This reaction was studied at - 10 ° C and the following data w…
PCl 5 g → PCl 3 g + Cl 2 g In the above first order reaction the concentration of PCl 5 reduces from initial conc…
For a chemical reaction A → B , it was found that concentration of B is increased by 0 . 2   mol   L -…
Isotope(s) of hydrogen which emits low energy β - particles with t 1 / 2 value > 12 years is/are
The reaction 2   A + B 2 → 2 AB is an elementary reaction. For a certain quantity of reactants, if the volum…
For a certain first order reaction 32 % of the reactant is left after 570   s . The rate constant of this reaction…
Which one of the following given graphs represents the variation of rate constant ( k ) with temperature ( T ) for an e…
Log in to unlock the full list, track what you've solved, and practice on the TCS iON-style CBT player. It's free.