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

2016 · Q90
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /NEET
  3. /Chemistry
  4. /Chemical Kinetics
  5. /2016 · Q90

Chemical Kinetics question

2016 · Q90

NEETChemistryChemical KineticsMCQ+4 / −1
The rate of first-order reaction is 0.04 mol L−-−1 s−-−1 at 10 seconds and 0.03 mol L−-−1 s−-−1 at 20 seconds after initiation of the reaction. The half-life period of the reaction is
  1. A
    44.1 s
  2. B
    54.1 s
  3. C
    24.1 s
  4. D
    34.1 s
PreviousNext

More from Chemical Kinetics

  • The addition of a catalyst during a chemical reaction alters which of the following quantities?2016 · MCQ
  • The decomposition of phosphine (PH3) on tungsten at low pressure is a first-order reaction. It is because the2016 · MCQ
  • The rate constant of the reaction A → B is 0.6 × 10−3 mol L−1 s−1. If the concentration of A is 5 M, then concentration of B after 20 minutes is2015 · MCQ
  • When initial concentration of a reactant is doubled in a reaction, its half-life period is not affected. The order of the reaction is2015 · MCQ
  • The activation energy of a reaction can be determined from the slope of which of the following graphs?2015 · MCQ
  • For a reaction between A and B the order with respect to A is 2 and the other with respect to B is 3. The concentrations of both A and B are doubled, the rate will increase by a factor of2013 · MCQ
  • A reaction is 50% complete in 2 hours and 75% complete in 4 hours. The order of reaction is2013 · MCQ
  • What is the activation energy for a reaction if its rate doubles when the temperature is raised from 20oC to 35oC? (R = 8.314 J mol−1 K−1)2013 · MCQ