Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

Chemical Kinetics and Nuclear Chemistry question

2022 · 26 Jun · Shift 2 · Q22
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Chemistry
  4. /Chemical Kinetics and Nuclear Chemistry
  5. /2022 · 26 Jun · Shift 2 · Q22

Chemical Kinetics and Nuclear Chemistry question

2022 · 26 Jun · Shift 2 · Q22

JEE MainChemistryChemical Kinetics and Nuclear ChemistryNumerical+4 / −1
Catalyst A reduces the activation energy for a reaction by 10 kJ mol −-− 1 at 300 K. The ratio of rate constants, kT, CatalysedkT, Uncatalysed{{{}^kT,\,Catalysed} \over {{}^kT,\,Uncatalysed}}kT,UncatalysedkT,Catalysed​ is ex. The value of x is ‾\underline{\hspace{2cm}}​. [nearest integer] [Assume that the pre-exponential factor is same in both the cases. Given R = 8.31 J K −-− 1 mol −-− 1]
Numerical answer
PreviousNext

More from Chemical Kinetics and Nuclear Chemistry

  • 2NO+2H2​→N2​+2H2​O The above reaction has been studied at 800∘C. The related data are given in the table below The order of the reaction with respect… Includes table2022 · Numerical
  • [A]Reactantolimits​→​[B]Productolimits​ If formation of compound [B] follows the first order of kinetics and after 70…2022 · Numerical
  • The rate constant for a first order reaction is given by the following equation: lnk=33.24−T2.0×104K​ The activation energy for the reaction is given by ​ kJ mol − 1. (In nearest…2022 · Numerical
  • It has been found that for a chemical reaction with rise in temperature by 9 K the rate constant gets doubled. Assuming a reaction to be occurring at 300 K, the value of activation energy is found to be ​ kJ mol…2022 · Numerical
  • For kinetic study of the reaction of iodide ion with H2​O2​ at room temperature : (A) Always use freshly prepared starch solution. (B) Always keep the concentration of sodium thiosulphate solution less than that of…2022 · MCQ
  • For the given first order reaction A→B the half life of the reaction is 0.3010 min. The ratio of the initial concentration of reactant to the concentration of reactant at time 2.0 min…2022 · Numerical
  • For a reaction, given below is the graph of lnk vs T1​. The activation energy for the reaction is equal to ​calmol−1. (nearest integer) (Given : R=2calK−1 mol−1… Includes diagram2022 · Numerical
  • For a first order reaction A → B, the rate constant, k = 5.5 × 10 − 14 s − 1. The time required for 67% completion of reaction is x × 10 − 1 times the half life of reaction. The value of x is ​…2022 · Numerical