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 · 29 Jun · Shift 1 · Q14
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 · 29 Jun · Shift 1 · Q14

Chemical Kinetics and Nuclear Chemistry question

2022 · 29 Jun · Shift 1 · Q14

JEE MainChemistryChemical Kinetics and Nuclear ChemistryNumerical+4 / −1
The activation energy of one of the reactions in a biochemical process is 532611 J mol −-− 1. When the temperature falls from 310 K to 300 K, the change in rate constant observed is k300 = x ×\times× 10 −-− 3 k310. The value of x is ‾\underline{\hspace{2cm}}​. [Given : ln⁡10=2.3\ln 10 = 2.3ln10=2.3, R = 8.3 J K −-− 1 mol −-− 1]
Numerical answer
PreviousNext

More from Chemical Kinetics and Nuclear Chemistry

  • The equation k = (6.5 × 1012s − 1)e − 26000K/T is followed for the decomposition of compound A. The activation energy for the reaction is ​ kJ mol − 1. [nearest integer] (Given : R = 8.314 J K − 1…2022 · Numerical
  • For the reaction P → B, the values of frequency factor A and activation energy EA are 4 × 1013 s − 1 and 8.3 kJ mol − 1 respectively. If the reaction is of first order, the temperature at which the rate constant is 2…2022 · Numerical
  • Which one of the following given graphs represents the variation of rate constant (k) with temperature (T) for an endothermic reaction?2021 · MCQ
  • The decomposition of formic acid on gold surface follows first order kinetics. If the rate constant at 300 K is 1.0 × 10 − 3 s − 1 and the activation energy Ea = 11.488 kJ mol − 1, the rate constant at 200 K is ​×…2021 · Numerical
  • A and B decompose via first order kinetics with half-lives 54.0 min and 18.0 min respectively. Starting from an equimolar non reactive mixture of A and B, the time taken for the concentration of A to become 16 times that of B is ​…2021 · Numerical
  • For a certain first order reaction 32% of the reactant is left after 570s. The rate constant of this reaction is ​× 10 − 3 s − 1. (Round off to the Nearest Integer). [Given : log102 = 0.301, ln10 = 2.303]2021 · Numerical
  • The reaction 2A + B2​ → 2AB is an elementary reaction. For a certain quantity of reactants, if the volume of the reaction vessel is reduced by a factor of 3, the rate of the reaction increases by a factor of ​…2021 · Numerical
  • 2NO(g) + Cl2(g) ⇌ 2NOCl(s) This reaction was studied at − 10 ∘ and the following data was obtained [NO]0​ and [Cl2​]0​ are the initial concentrations and r0 is the initial reaction rate. The overall… Includes table2021 · Numerical