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

2013 · Q90
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /NEET
  3. /Chemistry
  4. /Chemical Kinetics
  5. /2013 · Q90

Chemical Kinetics question

2013 · Q90

NEETChemistryChemical KineticsMCQ+4 / −1
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)
  1. A
    34.7 kJ mol−-−1
  2. B
    15.1 kJ mol−-−1
  3. C
    342 kJ mol−-−1
  4. D
    269 kJ mol−-−1
PreviousNext

More from Chemical Kinetics

  • Activation energy (Ea) and rate constants (k1 and k2) of a chemical reaction at two different temperatures (T1 and T2) are related by2012 · Multiple correct
  • In a reaction, A + B → product, rate is doubled when the concentration of B is doubled, and rate increases by a factor of 8 when the concentration of both the reactants (A and B) are doubled, rate law for the reaction can be written…2012 · MCQ
  • In a zero-order reaction, for every 10oC rise of temperature, the rate is doubled. If the temperature is increased from 10oC to 100oC, the rate of the reaction will become2012 · MCQ
  • The unit of rate constant for a zero order reaction is2011 · MCQ
  • The half-life of a substance in a certain enzyme-catalysed reaction is 138 s. The time required for the concentration of the substance to fall from 1.28 mg L−1 to 0.04 mg L−1 is2011 · MCQ
  • The rate of the reaction : 2N2O5 → 4NO2 + O2 can be written in three ways. dt−d[N2​O5​]​=k[N2​O5​] dtd[NO2​]​=k′[N2​O5​];…2011 · MCQ
  • Which one of the following statements for the order of a reaction is incorrect?2011 · MCQ
  • The rate of the reaction, 2NO + Cl2 → 2NOCl is given by the rate equation rate = k[NO]2[Cl2]. The value of the rate constant can be increased by2010 · MCQ