(D) The Arrhenius equation is given by $K = A e^{-E_a/RT}$.Given that the activation energy $E_a = 0$.Substituting $E_a = 0$ into the equation,we get

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is nearly independent of temperature

(D) The Arrhenius equation is given by $K = A e^{-E_a/RT}$.Given that the activation energy $E_a = 0$.Substituting $E_a = 0$ into the equation,we get $K = A e^{0} = A \times 1 = A$.Since $A$ (the frequency factor) is a constant,the rate constant $K$ becomes independent of temperature $T$.

Class 12 Chemistry Chemical Kinetics Collision theory, Energy of activation and Arrhenius equation

Medium

The activation energy of a reaction is $0$. The rate constant of the reaction:

A
increases with increase of temperature
B
decreases with increase of temperature
C
decreases with decrease of temperature
D
is nearly independent of temperature

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Class 12 Questions

Class 12

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Chapter

Chemical Kinetics

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Collision theory, Energy of activation and Arrhenius equation

What does $P \cdot Z_{AB} \cdot e^{-\frac{E_a}{RT}}$ indicate in the rate equation?

Easy

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What will be the effect on the fraction of molecules and the rate constant on increasing temperature?

Easy

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What is the value of the slope in the graph of $\log_{10} K$ against $\frac{1}{T}$?

EasyGSEB 2019

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Consider the given plot of enthalpy of the following reaction between $A$ and $B$: $A + B \to C + D$. Identify the incorrect statement.

DifficultJEE MAIN 2019

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The rate constants of a reaction at $500 \, K$ and $700 \, K$ are $0.02 \, s^{-1}$ and $0.07 \, s^{-1}$ respectively. Calculate the values of $E_{a}$ and $A$.

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The activation energy of a reaction is $0$. The rate constant of the reaction:

Similar Questions

What does $P \cdot Z_{AB} \cdot e^{-\frac{E_a}{RT}}$ indicate in the rate equation?

What will be the effect on the fraction of molecules and the rate constant on increasing temperature?

What is the value of the slope in the graph of $\log_{10} K$ against $\frac{1}{T}$?

Consider the given plot of enthalpy of the following reaction between $A$ and $B$: $A + B \to C + D$. Identify the incorrect statement.

The rate constants of a reaction at $500 \, K$ and $700 \, K$ are $0.02 \, s^{-1}$ and $0.07 \, s^{-1}$ respectively. Calculate the values of $E_{a}$ and $A$.

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