Looking for classes? Ksquare Career Institute, Bengaluru →
Chemical Kinetics
Activation Energy – Potential Energy Profile
1 question from 1 paper, each with its answer.
- question
- 1
- paper
- 1
- years asked, 2017–2026
- 1 of 10
- of Chemical Kinetics
- 1.25%
Concepts tested
- energy profile of an exothermic reaction
All Questions
2021 1 question
-
For a reaction $A\rightarrow B$, enthalpy of reaction is $-4.2\ kJ\ mol^{-1}$ and enthalpy of activation is $9.6\ kJ\ mol^{-1}$. The correct potential energy profile for the reaction is shown in option.$\Delta H$ is negative, so the reaction is exothermic: product B lies lower in energy than reactant A, with an activation energy barrier of 9.6 kJ $mol^{-1}$ above A.