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

Chemical Kinetics question

2024 · Q141
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /NEET
  3. /Chemistry
  4. /Chemical Kinetics
  5. /2024 · Q141

Chemical Kinetics question

2024 · Q141

NEETChemistryChemical KineticsMCQ+4 / −1

The rate of a reaction quadruples when temperature changes from 27∘C27^{\circ} \mathrm{C}27∘C to 57∘C57^{\circ} \mathrm{C}57∘C. Calculate the energy of activation.

Given R=8.314 J K−1 mol−1,log⁡4=0.6021\mathrm{R}=8.314 \mathrm{~J} \mathrm{~K}^{-1} \mathrm{~mol}^{-1}, \log 4=0.6021R=8.314 J K−1 mol−1,log4=0.6021

  1. A
    38.04 kJ/mol38.04 \mathrm{~kJ} / \mathrm{mol}38.04 kJ/mol
  2. B
    380.4 kJ/mol380.4 \mathrm{~kJ} / \mathrm{mol}380.4 kJ/mol
  3. C
    3.80 kJ/mol3.80 \mathrm{~kJ} / \mathrm{mol}3.80 kJ/mol
  4. D
    3804 kJ/mol3804 \mathrm{~kJ} / \mathrm{mol}3804 kJ/mol
PreviousNext

More from Chemical Kinetics

  • Following data is for a reaction between reactants A and B :  The order of the reaction with respect to A and B, respectively, are  Includes table2024 · MCQ
  • Which of the following plot represents the variation of lnk versus  T1​ in accordance with Arrhenius equation?2024 · MCQ
  • Rate constants of a reaction at 500 K and 700 K are 0.04 s−1 and 0.14 s−1, respectively; then, activation energy of the reaction is : (Given: log3.5=0.5441,R=8.31 J K−1 mol−1…2024 · MCQ
  • The correct options for the rate law that corresponds to overall first order reaction is2023 · MCQ
  • For a reaction 3 A→2 B The average rate of appearance of B is given by ΔtΔ[B]​. The correct relation between the average rate of appearance of B with the…2023 · MCQ
  • For a certain reaction, the rate =k[A]2[ B], when the initial concentration of A is tripled keeping concentration of B constant, the initial rate would2023 · MCQ
  • Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A : A reaction can have zero activation energy. Reason R : The minimum extra amount of energy absorbed by reactant molecules so…2023 · MCQ
  • For a chemical reaction 4A + 3B → 6C + 9D Rate of formation of C is 6 × 10−2 mol L−1 s−1 and rate of disappearance of A is 4 × 10−2 mol L−1 s−1. The rate of reaction and amount of B consumed in interval of 10…2022 · MCQ