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NEET UG CHEMISTRY MCQ: THERMODYNAMICS
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The H─H bond energy is 430 kJ and Cl─Cl bond energy is 240 kJ . ∆H for HCl is -90 kJ. The H─Cl bond energy is about:
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Correct option: A
Option A () is correct because it is calculated using the formula: ∆H = Σ(Bond energies of reactants) - Σ(Bond energies of products).
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