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

2012 · Q102
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. /2012 · Q102

Chemical Kinetics question

2012 · Q102

NEETChemistryChemical KineticsMCQ+4 / −1
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 become
  1. A
    256 times
  2. B
    512 times
  3. C
    64 times
  4. D
    128 times
View written solutionFree

Correct answer: B

For energy 10° rise in temperature the rate of reaction doubles. So, rate = 2n
when, n = 1 rate = 21 = 2

when, temperature is increased from 10°C to 100°C change in temperature = 100 – 10 = 90°C

i.e., n = 9

So, rate = 29 = 512 times

PreviousNext

More from Chemical Kinetics

  • 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
  • For the reaction N2O5(g) → 2NO2(g) + 1/2O2(g) the value of rate of disappearance of N2O5 is given as 6.25 × 10−3 mol L−1 s−1. The rate of formation of NO2 and O2 is given respectively as2010 · MCQ
  • During the kinetic study of the reaction, 2A + B → C + D, following results were obtained Based on the above data which one of the following is correct? Includes table2010 · MCQ
  • In the reaction, BrO3(aq)−​ + 5Br(aq)−​ + 6H+ → 3Br2(l) + 3H2O(l). The rate of appearance of bromine (Br2) is related to rate of disappearance of bromide ions as2009 · MCQ