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

Medium

Activation energy of a chemical reaction can be determined by

AIPMT 1998 All AIPMT

A
Changing concentration of reactants
B
Evaluating rate constant at standard temperature
C
Evaluating rate constants at two different temperatures
D
Evaluating velocities of reaction at two different temperatures

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Class 12 Questions

Class 12

Chemistry Questions

Chapter

Chemical Kinetics

Subtopic

Collision theory, Energy of activation and Arrhenius equation

Previous Year

AIPMT 1998 Paper All AIPMT years →

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Which statement is incorrect for collision theory?

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For a reaction $A \rightarrow B$,the enthalpy of reaction is $-4.2 \ kJ \ mol^{-1}$ and the enthalpy of activation is $9.6 \ kJ \ mol^{-1}$. The correct potential energy profile for the reaction is shown in which option?

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In an exothermic reaction $A \to B$,the evolved heat is $280 \ kJ \ mol^{-1}$ and the activation energy is $200 \ kJ \ mol^{-1}$. The activation energy of the reverse reaction $B \to A$ is $.......... \ kJ \ mol^{-1}$.

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$A$ reaction is catalysed by $X$. Here $X$:

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The rate constants $k_1$ and $k_2$ for two different reactions are $10^{16} \times e^{-2000/T}$ and $10^{15} \times e^{-1000/T}$ respectively. The temperature at which $k_1 = k_2$ is

MediumKCET 2023

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