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QAIPMT-2003-Ch-2683: NEET 2003 Chemistry - Class 12 AIPMT-2003-Ch-2683 Solution: The temperature dependence of rate constant (k) of a chemical…

The temperature dependence of rate constant (k) of a chemical reaction is written in terms of Arrhenius equation,

k=A\cdot e^{-E_a/RT}

. Activation energy (

E_a

) of the reaction can be calculated by plotting

Multiple Choice Options

A $k$ vs $T$
B $k$ vs $\frac{1}{\log T}$
C $\log k$ vs $\frac{1}{T}$
D $\log k$ vs $\frac{1}{\log T}$

Step-by-Step Verified Solution

Arrhenius equation k = A e _ E a R T _ log k = log A - E a 2.303 R T Comparing it with equation of straight line i.e., y = mx + C On plotting log k vs 1 T , we get a straight line, the slope indicates the value of activation energy.

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