JEE Main 2010 — Thermodynamics (C) Question with Solution
JEE Main 2010
Question
The standard enthalpy of formation of is . If the enthalpy of formation of from its atoms is and that of is , the average bond enthalpy of bond in is
Choose an option
Show full solutionCorrect option: B
Correct answer
B
Step-by-step explanation
Enthalpy of formation of
Bond breaking is endothermic and Bond formation is exothermic
Assuming ' ' is the bond energy of bond
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This is a previous-year question from JEE Main 2010, covering the Thermodynamics (C) chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.