The activation energy of exothermic reaction $A \rightarrow B$ 80 kJ $mol^{- 1}$. The heat of reaction is 200 kJ$mol^{- 1}\$. The activation energy for the reaction $B \rightarrow A$(in kJ $mol^{- 1}$) will be

Question

Dr. Abubacker · Accepted Answer

(d)
$E_{a}(A \rightarrow B) = 80\ kJ\ mol^{- 1}$
Heat of reaction $(A \rightarrow B) = 200\ kJ\ mol^{- 1}$
For $(B \rightarrow A)\ backward\ reaction,$
$E_{a}(B \rightarrow A) = E_{a}(A \rightarrow B) + heat\ of\ reaction$
$= 80 + 200 = 280$kJ $mol^{- 1}$

Q. The activation energy of exothermic reaction $A \rightarrow B$ 80 kJ $mol^{- 1}$. The heat of reaction is 200 kJ$mol^{- 1}\$. The activation energy for the reaction $B \rightarrow A$(in kJ $mol^{- 1}$) will be

Explanation

Reviewed by Dr. Abubacker

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