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Question: Answered & Verified by Expert
The potential energy diagram for a reaction $R \rightarrow P$ is given in the figure. $\Delta H^{\circ}$ of the reaction corresponds to the energy

ChemistryThermodynamics (C)AIIMSAIIMS 2003
Options:
  • A $a$
  • B $b$
  • C $c$
  • D $a+b$
Solution:
1850 Upvotes Verified Answer
The correct answer is: $c$
$\Delta H=$ activation energy of forward reaction - activation energy of backward reaction
$$
\therefore \quad \Delta H=b-a=c \text {. }
$$

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