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For a hypothetical reaction A → B, the activation energy for forward and backward reactions are 19 kJ/mol and 9 kJ/mol respectively. The heat of reaction is
- a)9kJ mol−1
- b)19kJ mol−1
- c)+10 kJ mol−1
- d)28kJ mol−1
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
For a hypothetical reactionA → B, the activation energy for forwa...
Explanation:
Activation Energy:
- The activation energy for the forward reaction (A → B) is 19 kJ/mol.
- The activation energy for the backward reaction (B → A) is 9 kJ/mol.
Heat of Reaction:
- The heat of reaction can be calculated using the activation energies for the forward and backward reactions.
- Heat of reaction = Activation energy for forward reaction - Activation energy for backward reaction
- Heat of reaction = 19 kJ/mol - 9 kJ/mol = 10 kJ/mol
Therefore, the correct answer is option C which is +10 kJ/mol. This indicates that the reaction is endothermic, requiring energy input to proceed from A to B.
Activation Energy:
- The activation energy for the forward reaction (A → B) is 19 kJ/mol.
- The activation energy for the backward reaction (B → A) is 9 kJ/mol.
Heat of Reaction:
- The heat of reaction can be calculated using the activation energies for the forward and backward reactions.
- Heat of reaction = Activation energy for forward reaction - Activation energy for backward reaction
- Heat of reaction = 19 kJ/mol - 9 kJ/mol = 10 kJ/mol
Therefore, the correct answer is option C which is +10 kJ/mol. This indicates that the reaction is endothermic, requiring energy input to proceed from A to B.
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For a hypothetical reactionA → B, the activation energy for forward and backward reactions are19kJ/mol and9kJ/mol respectively. The heat of reaction isa)9kJ mol−1b)19kJ mol−1c)+10 kJ mol−1d)28kJ mol−1Correct answer is option 'C'. Can you explain this answer?
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For a hypothetical reactionA → B, the activation energy for forward and backward reactions are19kJ/mol and9kJ/mol respectively. The heat of reaction isa)9kJ mol−1b)19kJ mol−1c)+10 kJ mol−1d)28kJ mol−1Correct answer is option 'C'. Can you explain this answer? for JEE 2025 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about For a hypothetical reactionA → B, the activation energy for forward and backward reactions are19kJ/mol and9kJ/mol respectively. The heat of reaction isa)9kJ mol−1b)19kJ mol−1c)+10 kJ mol−1d)28kJ mol−1Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for JEE 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for For a hypothetical reactionA → B, the activation energy for forward and backward reactions are19kJ/mol and9kJ/mol respectively. The heat of reaction isa)9kJ mol−1b)19kJ mol−1c)+10 kJ mol−1d)28kJ mol−1Correct answer is option 'C'. Can you explain this answer?.
For a hypothetical reactionA → B, the activation energy for forward and backward reactions are19kJ/mol and9kJ/mol respectively. The heat of reaction isa)9kJ mol−1b)19kJ mol−1c)+10 kJ mol−1d)28kJ mol−1Correct answer is option 'C'. Can you explain this answer? for JEE 2025 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about For a hypothetical reactionA → B, the activation energy for forward and backward reactions are19kJ/mol and9kJ/mol respectively. The heat of reaction isa)9kJ mol−1b)19kJ mol−1c)+10 kJ mol−1d)28kJ mol−1Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for JEE 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for For a hypothetical reactionA → B, the activation energy for forward and backward reactions are19kJ/mol and9kJ/mol respectively. The heat of reaction isa)9kJ mol−1b)19kJ mol−1c)+10 kJ mol−1d)28kJ mol−1Correct answer is option 'C'. Can you explain this answer?.
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