The bond dissociation energies of X 2 , Y 2 and XY are in the ratio of 1 : 0.5 : 1. H for…
Chemistry · NEET · NTA Exams — Chemical Thermodynamics
The bond dissociation energies of X2, Y2 and XY are in the ratio of 1 : 0.5 : 1. \(\Delta \mathrm{H}\) for the formation of XY is -200 kJ mol-1. The bond dissociation energy X2 will be
- 800 kJ mol-1
- 400 kJ mol-1
- 100 kJ mol-1
- 200 kJ mol-1
Answer
(B) 400 kJ mol -1
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