Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents

Your guest activity stays on this device

Sign in to save progress →
Sign in

Chemical Kinetics question

2016 · Q91
Guest · filters and generic practice availableBrowsing as a guest · PYQ filters and generic practice are available. Sign in only for personalised features and saved progress.
  1. PYQ Library
  2. /NEET
  3. /Chemistry
  4. /Chemical Kinetics
  5. /2016 · Q91

Chemical Kinetics question

2016 · Q91

NEETChemistryChemical KineticsMCQ+4 / −1
The addition of a catalyst during a chemical reaction alters which of the following quantities?
  1. A
    Enthalpy
  2. B
    Activation energy
  3. C
    Entropy
  4. D
    Internal energy
View written solutionFree

Correct answer: B

A catalyst provides an alternate path to the reaction which has lower activation energy.

PreviousNext

More from Chemical Kinetics

  • 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
  • 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