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Enthalpy

For an endoth...

Question

For an endothermic reaction, the correct statement about the energy of activation for forward and backward reaction is:

E_{a_{f}} > E_{a_{b}}

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E_{a_{f}} < E_{a_{b}}

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E_{a_{f}} = E_{a_{b}}

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None of the above

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Solution

The correct option is A $E_{a_{f}} > E_{a_{b}}$
As we know,
For endothermic reaction, $Δ H = + v e$
and $Δ H = E_{a_{f}} - E_{a_{b}}$ .

$∴ E_{a_{f}} > E_{a_{b}}$

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