If a reaction follows the Arrhenius equation , the plot Ink vs \frac{1}{(RT)} gives straight line with a gradient  (-y) unit . The energy required to activate the reactant is:

  • Option 1)

    -y unit 

  • Option 2)

    y/R unit 

  • Option 3)

    y unit 

  • Option 4)

    yR unit 

Answers (1)
A admin

 

Arrhenius Parameters -

The pre-exponential factor/ frequency factor (A) and activation energy (E_{a}) are called Arrhenius parameters.

- wherein

Formula:

A = Pre-exponential factor

E_{a} = Activation Energy

k = A_{e}-\frac{E_{a}}{RT}

 

 

 

Arrhenius Equation -

Arrhenius gave the quantitative dependence of rate constant on temperature by the Arrhenius equation.

- wherein

k = A e^{-E_{a}/RT}

In k=InA-\frac{E_{a}}{RT}

k = Rate constant

aas we know that

Arrhenius equation K= A_{e}^{-Ea/RT}

slope\, \, of \ln K.VS \frac{1}{RT}= -\gamma = -E_{a}

\therefore E_{a}=Y

 

 


Option 1)

-y unit 

Option 2)

y/R unit 

Option 3)

y unit 

Option 4)

yR unit 

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