JEE Main & Advanced
Sample Paper
JEE Main - Mock Test - 18
question_answer
Bond dissociation energy of XY, \[{{X}_{2}}\], and \[{{Y}_{2}}\] (all diatomic molecules) are in the ratio of \[1:1:0.5\]and \[\Delta {{H}_{f}}\] of XY is \[-100\,kJmo{{l}^{-1}},\] The bond dissociation energy of \[{{X}_{2}}\] is \[100x\]. Find the value of x.