question_answer 60)

  The enthalpy of atomisation for the reaction: \[C{{H}_{4}}(g)\to C(g)+4H(g)\]is\[1665\text{ }kJ\text{ }mo{{l}^{-1}}\]. What is the bond energy of C-H bond?

Answer:

    Bond energy of (C-H) bond = \[\frac{1665}{4}\]                                                 \[=416.25kJ\]