The bond energy of \( X-X \) bond in \( X_{2}, Y-Y \) bond in \( Y_{2} \) and \( X-Y \) bond in \( X Y_{3} \) are respectively 128,200 and \( 120 kJ mol ^{-1} \). What is the enthalpy change of the following reaction in \( k J \) unt? \[ X _{2}( g )+3 Y _{2}( g ) \longrightarrow 2 XY ,( g ) \] Options

Question

the bond energy of X-X bond in X₂ , Y-Y bond in Y₂ , and X-Y bond in XY₃ respectively are 128,200 and 120 kilojoule\mole. What is the enthalpy change of reaction X₂ +3Y₂ = 2XY₃.