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ChemistryChemical KineticsMiscellaneous/MixedEasy2 minPYQ_2020

ChemistryEasynumerical

An exothermic reaction, $A \to B$ , has an activation energy of 15 kcal $m o l^{- 1}$ and the energy of reaction is 5 kcal $m o l^{- 1}$ . The activation energy in kcal $m o l^{- 1}$ for the reaction, $B \to A$ is

Answer:

20.00

Solution:

${{(E}_{a})}_{r} = {{(E}_{a})}_{f} + ΔE = 15 kcal {mol}^{-1} {+5kcalmol}^{- 1}$
$= 20 kcal {mol}^{- 1}$ .

Stream:NTA_ABHYASSubject:ChemistryTopic:Chemical KineticsSubtopic:Miscellaneous/Mixed

⏱ 2mℹ️ Source: PYQ_2020

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