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Types of Catalysis

E = activatio...

Question

(E = activation energy)
Relation between activation energies of above reactions is:

A

E_{2} > E_{1} > E_{3}

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B

E_{3} > E_{1} > E_{2}

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C

E_{3} > E_{2} > E_{1}

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D

E_{1} > E_{2} > E_{3}

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Solution

The correct option is C $E_{1} > E_{2} > E_{3}$
$E_{1}$ will be the highest as this reaction results into loss of aromatic character. Further reaction decrease the stability by reducing the conjugation of double bonds. Hence the order of activation energies is- $E_{1} > E_{2} > E_{3}$

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