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NEET 2007 Chemistry question

ChemistryThermodynamicsNEET 2007

Given that bond energies of H-H and Cl-Cl are and respectively and for HCl is , bond enthalpy of HCl is

Answer: (4)

Solution

Consider with kJ/mol, or for two moles , kJ. $Δ H =

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Question ID VK-089847