Which plot represents an exothermic reaction?




As we discussed in
Heat of Reaction -
It is defined as the amount of Enthalpy change in the reaction for given amount of reaction.
- wherein
In exothermic reaction product (P) has less heat energy than reactant (R) when reaction proceeds with time.
Option 1)

Correct
Option 2)

Incorrect
Option 3)

Incorrect
Option 4)

Incorrect