pattiecakessu4450 pattiecakessu4450 20-02-2024 Chemistry contestada X and Y are diatomic molecules. If the bond enthalpies of X2 and Y2 are in the ratio 1:5, then the bond enthalpy of XY is: a) 6/7 of X2 b) 1/7 of X2 c) 5/6 of X2 d) 1/6 of X2