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Enthalpy change for the reaction 4H(g) → 2H2(g) is -869.6 kJ. The dissociation energy of H - H bond is

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Enthalpy change for the reaction 

4H(g) → 2H2(g) is  -869.6 kJ. 

The dissociation energy of H - H bond is

(a) + 217.4 kJ 

(b) - 434.8 kJ

(c) - 869.6 kJ

(d) + 434.8 kJ

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1 Answer

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Best answer

Correct Option (b) - 434.8 kJ

Explanation:

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