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Detailed solution please.
Asked by g_archanasharma | 08 Feb, 2019, 05:49: PM
Expert Answer
let the bond dissociation energy of,
X2= x kJ/mol
XY=x kJ/mol
Y2=0.5x kJ/mol
We have,
1/2 X2 + 1/2Y2 → XY ΔHf = -200 kJ/mol
We know that,
ΔHreaction = (bond dissociation energy of reactants) - ( bond dissociation energy of products)
= 
Bond dissociation energy of X2 is 800 kJ/mol.
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