Home
Class 12
CHEMISTRY
Assertion : For a chemical reaction with...

Assertion : For a chemical reaction with rise in temperature by `10^(@)` the rate constant is nearly doubled.
Reason : At t + 10, the fraction of molecules having energy equal to or greater than activation energy gets doubled.

A

If both assertion and reason are true and reason is the correct explanation of assertion.

B

If both assertion and reason are true but reason is not the correct explanation of assertion.

C

If assertion is true but reason is false.

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL KINETICS

    NCERT FINGERTIPS ENGLISH|Exercise Rate Of A Chemical Reaction|17 Videos
  • CHEMICAL KINETICS

    NCERT FINGERTIPS ENGLISH|Exercise Factors Influencing Rate Of Reaction|30 Videos
  • CHEMICAL KINETICS

    NCERT FINGERTIPS ENGLISH|Exercise NCERT EXEMPLAR PROBLEMS|17 Videos
  • BIOMOLECULES

    NCERT FINGERTIPS ENGLISH|Exercise Assertion And Reason|15 Videos
  • CHEMISTRY IN EVERYDAY LIFE

    NCERT FINGERTIPS ENGLISH|Exercise NCERT Exemplar|15 Videos

Similar Questions

Explore conceptually related problems

The activation energy for the reaction : . 2Hl(g) rarr H_(2)(g)+I_(2)(g) is 209.5 kJ mol^(-1) at 581K . Calculate the fraction of molecules of reactants having energy equal to or greater than activation energy ?

The activation energy for the decomposition of hydrogen iodide at 581 K is 209.5 kJ mol^(–1) . Calculate the fraction of molecules having energy equal to activation energy.

Arrhenius studies the effect of temperature on the rate of a reaction and postulted that rate constant varies with temperature exponentially as k=Ae^(E_(a)//RT) . Thuis method is generally used for finding the activation energy of a reaction. Keeping temperature constant, the effect of catalyst on the activation energy has also been studied. If x is the fraction of molecules having energy greater than E_(a) it will be given by :

The activation energy for the reaction - H_(2)O_(2)toH_(2)O+(1)/(2)O_(2) is 18 K cal//mol at 300 K. calculate the fraction of molecules of reactonts having energy equal to or greater than activation energy ? Anti log (-13.02)=9.36xx10^(-14)

In general, it is observed that the rate of a chemical reaction doubles with every 10° rise in temperature. If this generalisation holds for a reaction in the temperature range 298 K to 308 K, what would be the value of activation energy for this reaction ? (R = 8.314 JK^(-1) mol^(-1) )

On increasing the temperature by 10K, the rate of reaction becomes double. Which of the following is the most appropriate reason?

Effective colliosions are those in which colloiding molecules must have energy equal or greater than the ............ energy and proper ....