NEET Chemistry Past PapershardMCQ SINGLE

For a reaction A ® B, enthalpy of reaction is –4.2 kJ mol–1 and enthalpy of activation is 9.6 kJ molNEET Chemistry Past Papers Chemistry Question

Question

For a reaction A ® B, enthalpy of reaction is –4.2 kJ mol–1 and enthalpy of activation is 9.6 kJ mol–1. The correct potential energy profile for the reaction is shown in option. (A) A B PE Reaction Progress (B) A B PE Reaction Progress (C) A B PE Reaction Progress (D) A B PE Reaction Progress

Answer: B

💡 Solution & Explanation

For a given reaction DH is negative. Hence, potential energy profile is of an exothermic reaction.

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