The activation energy for a simple chemical reaction, A longrightarrow B is Ea in forward direction. The activation energy for reverse reaction

Question

The activation energy for a simple chemical reaction, A longrightarrow B is Ea in forward direction. The activation energy for reverse reaction (A) can be less than or more than Ea (B) is always double of Ea (C) is negative of Ea (D) is always less than Ea

Tardigrade Admin · Accepted Answer

The energy of activation of reverse reaction is less than or more than energy of activation

(E_{a})

of forward reaction

∴ & Δ; H = (E_{a})_{F} - (E_{a})_{R}

Because it depends upon the nature of reaction.
If

(E_{a})_{F} > (E_{a})_{R}

, reaction is endothermic
or

(E_{a})_{F} < (E_{a})_{R}

,reaction is exothermic

Q. The activation energy for a simple chemical reaction, $A ⟶$ B is $E_{a}$ in forward direction. The activation energy for reverse reaction

can be less than or more than $E_{a}$

is always double of $E_{a}$

is negative of $E_{a}$

is always less than $E_{a}$

Q. The activation energy for a simple chemical reaction, A⟶ B is Ea​ in forward direction. The activation energy for reverse reaction

can be less than or more than Ea​

is always double of Ea​

is negative of Ea​

is always less than Ea​

Q. The activation energy for a simple chemical reaction, $A ⟶$ B is $E_{a}$ in forward direction. The activation energy for reverse reaction

can be less than or more than $E_{a}$

is always double of $E_{a}$

is negative of $E_{a}$

is always less than $E_{a}$