Home
Class 12
CHEMISTRY
On increasing temperature, activation en...

On increasing temperature, activation energy for a reaction decrease. Why?

Text Solution

Verified by Experts

Activation energy and temperature are inversely proportional to each other.
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • CHEMICAL KINETICS

    DINESH PUBLICATION|Exercise Select the correct answer.|100 Videos

  • CHEMICAL KINETICS

    DINESH PUBLICATION|Exercise Comprehension type|14 Videos

  • CHEMICAL KINETICS

    DINESH PUBLICATION|Exercise Effect of concentration on rate of reaction|57 Videos

  • CHEMICAL BONDING AND MOLECULAR STRUCTURE

    DINESH PUBLICATION|Exercise Unit Test - 1|20 Videos

  • CHEMICAL THERMODYNAMICS AND CHEMICAL ENERGETICS

    DINESH PUBLICATION|Exercise Exercise|507 Videos

Similar Questions

Explore conceptually related problems

The negative catalyst decreases the activation energy of a reaction.

Assertion: A catalyst increases the rate of a reaction. Reason: In presence of a catalyst, the activation energy of the reaction decreases.

Knowledge Check

  • At 227^(@)C , the presence of catalyst causes the activation energy of a reaction to decrease by 4.606 K cal. The rate of the reaction will be increased by : -

    A
    2 times
    B
    10 times
    C
    100 times
    D
    1000 times

  • At 227^@C , the presence of catalyst causes the activation energy of a reaction to decrease by 4.606 KCal, the rate of the reaction will be increased by:

    A
    2 times
    B
    10 times
    C
    100 times
    D
    1000 times

  • Assertion. A catalyst increases the rate of a reaction. Reason. In presence of a catalyst, the activation energy of the reaction decreases.

    A
    If both assertion and reason are true and reason is the true explanation of the assertion.
    B
    If both assertion and reason ae true but reason is not the true explanation of the assertion.
    C
    If assertion is true, but reason is false.
    D
    If both assertion and reason are false.

    • Similar Questions

    Explore conceptually related problems

    Assertion (A) : The value of K for a reaction may increase or decrease with increase in temperature depending upon whether the reaction is exothermic or endothermic. Reason (R) : With increase in temperature, the axtent of reaction increases.

    Assertion : Surface tensian decreases with increase in temperature. Reason : On increasing temperature kinetio energy increases and intermolecular forces decreases.

    (A) A catalyst increases the rate of areaction. (R)In presence of a catalyst, the activation energy of the reaction increases.

    What will happen, on increasing the temperature or decreasing the activation energy (answer on the basis of Arrhenius equation)?

    On icreasing temperature from 200 K to 220 K rate of reaction A increases by 3 times and rate of reaction B increases by 9 times then correct relationship between activation energy of A and B is

    Home
    Profile