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Class 11 NEET Chemistry Chemical Thermodynamics

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Question : 41 of 96

Marks: +1, -0

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

- 434.8 kJ
- 896.6 kJ
+ 434.8 kJ
+ 217.4 kJ

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