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The rate constant (k) of a reaction is measured at different temperatures (T), and the data are plotted in the given figure. The activation energy of the reaction in kJ mol?¹ is: 

 

Option 1 -

2R

Option 2 -

2/R

Option 3 -

R

Option 4 -

1/R

0 3 Views | Posted a month ago
Asked by Shiksha User

  • 1 Answer

  • V

    Answered by

    Vishal Baghel | Contributor-Level 10

    a month ago
    Correct Option - 1


    Detailed Solution:

    lnK = -E_a/RT + I
    -E_a/R = slope is negative
    ⇒ -E_a/R = (10-0)/ (5-0)
    E_a = 2R

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