The activation energy for a simple chemical reaction A - B is Ea in the forward reaction- The activation energy of the reverse reaction-

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Standard XII

Chemistry

Activation Energy

The activatio...

Question

The activation energy for a simple chemical reaction $A \to B i s E_{a}$ in the forward reaction. The activation energy of the reverse reaction:

Is negative of

E_{a}

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Is always less than

E_{a}

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Can be less than or more than

E_{a}

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Is always double of

E_{a}

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Solution

The correct option is D Can be less than or more than $E_{a}$
As we know,
For exothermic reaction,
$Δ H^{⊖}$ = (PE of product) - (PE of reactant) < 0.
$(E_{a})_{f} < (E_{a})_{b} .$
For endothermic reaction:
$(E_{a})_{f} > (E_{a})_{b} .$

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The activation energy for a simple chemical reaction A→BisEa in the forward reaction. The activation energy of the reverse reaction:

The correct option is D Can be less than or more than EaAs we know,For exothermic reaction,ΔH⊖ = (PE of product) - (PE of reactant) < 0.(Ea)f<(Ea)b.For endothermic reaction:(Ea)f>(Ea)b.

The activation energy for a simple chemical reaction $A \to B i s E_{a}$ in the forward reaction. The activation energy of the reverse reaction:

The correct option is D Can be less than or more than $E_{a}$
As we know,
For exothermic reaction,
$Δ H^{⊖}$ = (PE of product) - (PE of reactant) < 0.
$(E_{a})_{f} < (E_{a})_{b} .$
For endothermic reaction:
$(E_{a})_{f} > (E_{a})_{b} .$