हिंदी

The rate of catalysed reaction is large than the uncatalysed reaction as _______.

Advertisements
Advertisements

प्रश्न

The rate of catalysed reaction is large than the uncatalysed reaction as _______.

विकल्प

  • Ea is larger

  • Ea is lower

  • Ea is same

  • threshold energy is absent

MCQ
रिक्त स्थान भरें
Advertisements

उत्तर

The rate of catalysed reaction is large than the uncatalysed reaction as Ea is lower.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 6: Chemical Kinetics - Multiple choice questions

APPEARS IN

संबंधित प्रश्न

Answer the following in one or two sentences.

What are the units for rate constants for zero-order and second-order reactions if time is expressed in seconds and concentration of reactants in mol/L?


Answer the following in one or two sentences.

Write the relationships between rate constant and half-life of the first order and zeroth-order reactions.


Solve

The half-life of a first-order reaction is 1.7 hours. How long will it take for 20% of the reactant to react?


Answer the following in brief.

What are the units of the rate constant?


For first order reaction, the rate constant for the decomposition of N2O5 is 6 × 10–4 s –1. The half-life period for decomposition in seconds is ______.


Give one example of a pseudo first-order reaction.


Explain with the help of a potential energy diagram that the catalyst increases the rate of the reaction.


The rate constant of a reaction is 5.8 × 10−2 s−1. The order of the reaction is ____________.


If 75% of a first order reaction was completed in 60 minutes, 50% of the same reaction under the same conditions would be completed in ____________.


Give two examples for zero order reaction.


A first order reaction is 40% complete in 50 minutes. Calculate the value of the rate constant. In what time will the reaction be 80% complete?


For first order reaction the concentration of reactant decreases from 0.2 to 0.1 M in 100 minutes. What is the rate constant of the reaction?


The time of completion of 90% of a first order reaction is approximately ____________.


What is the order of reaction if the unit of rate constant (k) is mol dm−3 s−1?


The integrated rate equation for first-order reaction, A → product, is ______.


Half-life period of a first order reaction, \[\ce{A -> product}\] is 3.0 hours. What is the value of rate constant?


A first order reaction is 75% completed in 60 minutes, the time required for it's 50% completion is ____________.


For a zero order reaction, the plot of [A]t vs t is linear. The slope of the line is equal to ____________.


A first order reaction takes 40 minutes for 30% decomposition. What is the half-life of reaction?


A certain zero order reaction has rate constant 0.025 M s-1. What will be the concentration of reactant 'A' after 15 seconds, if initial concentration is 0.50 M?


Which of the following reactions is not of the first order?


Which of the following correctly represents integrated rate law equation for a first order reaction in a gas phase?


For a first order reaction, the plot of log k against 1/T is a straight line. The slope of the line is equal to ______.


Calculate the time required to decrease the concentration of reactant of first order reaction from 0.8 M to 0.1 M if rate constant is 0.1155 hour−1.


Which of the following equations exhibits the integrated rate law equation for first order reaction?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×