A Chemical reaction occurs in three paths having rate constants $k_{1}, k_{2} & k_{3}$ respectively. If $E a_{1}, E a_{2} a n d E a_{3}$ are 4, 5 & 8kJ respectively and overall rate constant $k = \frac{k_{1} k_{3}}{k_{2}} . A s s u m i n g A_{a v} = \frac{A_{1} A_{3}}{A_{2}}$ the overall energy of activation in kJ is ___.

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Solution

$k_{A V} = A_{(} A V^{.}) e^{- (E_{(} 1) + E_{3} - E_{2}) / R T} ∴ E_{a v} = (4 + 8 - 5) = 7 k J$

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A Chemical reaction occurs in three paths having rate constants k1,k2&k3 respectively. If Ea1,Ea2 and Ea3 are 4, 5 & 8kJ respectively and overall rate constant k=k1k3k2.AssumingAav=A1A3A2 the overall energy of activation in kJ is ___.

kAV=A(AV.)e−(E(1)+E3−E2)/RT∴Eav=(4+8−5)=7kJ

$k_{A V} = A_{(} A V^{.}) e^{- (E_{(} 1) + E_{3} - E_{2}) / R T} ∴ E_{a v} = (4 + 8 - 5) = 7 k J$