For a reaction A arrow B, enthalpy of reaction is -4.2 kJ mol -1 and enthalpy of activation is 9.6 k J mol -1. The correct potential energy profile for the reaction is shown in option.

Question

For a reaction A arrow B, enthalpy of reaction is -4.2 kJ mol -1 and enthalpy of activation is 9.6 k J mol -1. The correct potential energy profile for the reaction is shown in option. (A)  (B)  (C)  (D)

Tardigrade Admin · Accepted Answer

It is an exothermic reaction For exothermic reaction, energy of reactants is greater than energy of products. By inspection option 3 is correct.

Q. For a reaction $A \to B$ , enthalpy of reaction is $- 4.2 k J m o l^{- 1}$ and enthalpy of activation is $9.6 k J m o l^{- 1}$ . The correct potential energy profile for the reaction is shown in option.

It is an exothermic reaction
For exothermic reaction, energy of reactants is greater than energy of products. By inspection option $3$ is correct.

Q. For a reaction A→B, enthalpy of reaction is −4.2kJmol−1 and enthalpy of activation is 9.6kJmol−1. The correct potential energy profile for the reaction is shown in option.

It is an exothermic reaction For exothermic reaction, energy of reactants is greater than energy of products. By inspection option 3 is correct.

Q. For a reaction $A \to B$ , enthalpy of reaction is $- 4.2 k J m o l^{- 1}$ and enthalpy of activation is $9.6 k J m o l^{- 1}$ . The correct potential energy profile for the reaction is shown in option.

It is an exothermic reaction
For exothermic reaction, energy of reactants is greater than energy of products. By inspection option $3$ is correct.